diff options
88 files changed, 3549 insertions, 1631 deletions
diff --git a/.gitignore b/.gitignore index b670877510..4c8c8e4115 100644 --- a/.gitignore +++ b/.gitignore @@ -75,6 +75,7 @@ git-name-rev git-mv git-pack-redundant git-pack-objects +git-pack-refs git-parse-remote git-patch-id git-peek-remote @@ -106,6 +107,7 @@ git-shortlog git-show git-show-branch git-show-index +git-show-ref git-ssh-fetch git-ssh-pull git-ssh-push diff --git a/Documentation/config.txt b/Documentation/config.txt index 026d4cf9ad..9d3c71c3b8 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -71,12 +71,16 @@ core.preferSymlinkRefs:: expect HEAD to be a symbolic link. core.logAllRefUpdates:: - If true, `git-update-ref` will append a line to - "$GIT_DIR/logs/<ref>" listing the new SHA1 and the date/time - of the update. If the file does not exist it will be - created automatically. This information can be used to - determine what commit was the tip of a branch "2 days ago". - This value is false by default (no logging). + Updates to a ref <ref> is logged to the file + "$GIT_DIR/logs/<ref>", by appending the new and old + SHA1, the date/time and the reason of the update, but + only when the file exists. If this configuration + variable is set to true, missing "$GIT_DIR/logs/<ref>" + file is automatically created for branch heads. + + This information can be used to determine what commit + was the tip of a branch "2 days ago". This value is + false by default (no automated creation of log files). core.repositoryFormatVersion:: Internal variable identifying the repository format and layout @@ -297,7 +301,16 @@ imap:: The configuration variables in the 'imap' section are described in gitlink:git-imap-send[1]. -receive.denyNonFastforwads:: +receive.unpackLimit:: + If the number of objects received in a push is below this + limit then the objects will be unpacked into loose object + files. However if the number of received objects equals or + exceeds this limit then the received pack will be stored as + a pack, after adding any missing delta bases. Storing the + pack from a push can make the push operation complete faster, + especially on slow filesystems. + +receive.denyNonFastForwards:: If set to true, git-receive-pack will deny a ref update which is not a fast forward. Use this to prevent such an update via a push, even if that push is forced. This configuration variable is diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt index f973c64313..86060472ad 100644 --- a/Documentation/git-clone.txt +++ b/Documentation/git-clone.txt @@ -75,6 +75,7 @@ OPTIONS this option is used, neither the `origin` branch nor the default `remotes/origin` file is created. +--origin <name>:: -o <name>:: Instead of using the branch name 'origin' to keep track of the upstream repository, use <name> instead. Note diff --git a/Documentation/git-diff-index.txt b/Documentation/git-diff-index.txt index 9cd43f105b..2df581c2c9 100644 --- a/Documentation/git-diff-index.txt +++ b/Documentation/git-diff-index.txt @@ -54,7 +54,7 @@ If '--cached' is specified, it allows you to ask: For example, let's say that you have worked on your working directory, updated some files in the index and are ready to commit. You want to see exactly -*what* you are going to commit is without having to write a new tree +*what* you are going to commit, without having to write a new tree object and compare it that way, and to do that, you just do git-diff-index --cached HEAD @@ -68,7 +68,7 @@ matches my working directory. But doing a "git-diff-index" does: -100644 blob 4161aecc6700a2eb579e842af0b7f22b98443f74 commit.c +100644 blob 4161aecc6700a2eb579e842af0b7f22b98443f74 git-commit.c -You can trivially see that the above is a rename. +You can see easily that the above is a rename. In fact, "git-diff-index --cached" *should* always be entirely equivalent to actually doing a "git-write-tree" and comparing that. Except this one is much diff --git a/Documentation/git-fetch-pack.txt b/Documentation/git-fetch-pack.txt index bff9aa6939..3e6cd880b0 100644 --- a/Documentation/git-fetch-pack.txt +++ b/Documentation/git-fetch-pack.txt @@ -32,7 +32,8 @@ OPTIONS -k:: Do not invoke 'git-unpack-objects' on received data, but create a single packfile out of it instead, and store it - in the object database. + in the object database. If provided twice then the pack is + locked against repacking. --exec=<git-upload-pack>:: Use this to specify the path to 'git-upload-pack' on the diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt index d5fdcef8d9..2bf6aef735 100644 --- a/Documentation/git-for-each-ref.txt +++ b/Documentation/git-for-each-ref.txt @@ -7,14 +7,14 @@ git-for-each-ref - Output information on each ref SYNOPSIS -------- -'git-for-each-ref' [--count=<count>]* [--shell|--perl|--python] [--sort=<key>]* [--format=<format>] [<pattern>] +'git-for-each-ref' [--count=<count>]\* [--shell|--perl|--python] [--sort=<key>]\* [--format=<format>] [<pattern>] DESCRIPTION ----------- Iterate over all refs that match `<pattern>` and show them according to the given `<format>`, after sorting them according -to the given set of `<key>`s. If `<max>` is given, stop after +to the given set of `<key>`. If `<max>` is given, stop after showing that many refs. The interporated values in `<format>` can optionally be quoted as string literals in the specified host language allowing their direct evaluation in that language. @@ -38,7 +38,11 @@ OPTIONS is prefixed with an asterisk (`*`) and the ref points at a tag object, the value for the field in the object tag refers is used. When unspecified, defaults to - `%(refname)`. + `%(objectname) SPC %(objecttype) TAB %(refname)`. + It also interpolates `%%` to `%`, and `%xx` where `xx` + are hex digits interpolates to character with hex code + `xx`; for example `%00` interpolates to `\0` (NUL), + `%09` to `\t` (TAB) and `%0a` to `\n` (LF). <pattern>:: If given, the name of the ref is matched against this diff --git a/Documentation/git-index-pack.txt b/Documentation/git-index-pack.txt index 71ce557276..2229ee86b7 100644 --- a/Documentation/git-index-pack.txt +++ b/Documentation/git-index-pack.txt @@ -8,7 +8,8 @@ git-index-pack - Build pack index file for an existing packed archive SYNOPSIS -------- -'git-index-pack' [-o <index-file>] <pack-file> +'git-index-pack' [-v] [-o <index-file>] <pack-file> +'git-index-pack' --stdin [--fix-thin] [--keep] [-v] [-o <index-file>] [<pack-file>] DESCRIPTION @@ -21,6 +22,9 @@ objects/pack/ directory of a git repository. OPTIONS ------- +-v:: + Be verbose about what is going on, including progress status. + -o <index-file>:: Write the generated pack index into the specified file. Without this option the name of pack index @@ -29,6 +33,52 @@ OPTIONS fails if the name of packed archive does not end with .pack). +--stdin:: + When this flag is provided, the pack is read from stdin + instead and a copy is then written to <pack-file>. If + <pack-file> is not specified, the pack is written to + objects/pack/ directory of the current git repository with + a default name determined from the pack content. If + <pack-file> is not specified consider using --keep to + prevent a race condition between this process and + gitlink::git-repack[1] . + +--fix-thin:: + It is possible for gitlink:git-pack-objects[1] to build + "thin" pack, which records objects in deltified form based on + objects not included in the pack to reduce network traffic. + Those objects are expected to be present on the receiving end + and they must be included in the pack for that pack to be self + contained and indexable. Without this option any attempt to + index a thin pack will fail. This option only makes sense in + conjunction with --stdin. + +--keep:: + Before moving the index into its final destination + create an empty .keep file for the associated pack file. + This option is usually necessary with --stdin to prevent a + simultaneous gitlink:git-repack[1] process from deleting + the newly constructed pack and index before refs can be + updated to use objects contained in the pack. + +--keep='why':: + Like --keep create a .keep file before moving the index into + its final destination, but rather than creating an empty file + place 'why' followed by an LF into the .keep file. The 'why' + message can later be searched for within all .keep files to + locate any which have outlived their usefulness. + + +Note +---- + +Once the index has been created, the list of object names is sorted +and the SHA1 hash of that list is printed to stdout. If --stdin was +also used then this is prefixed by either "pack\t", or "keep\t" if a +new .keep file was successfully created. This is useful to remove a +.keep file used as a lock to prevent the race with gitlink:git-repack[1] +mentioned above. + Author ------ diff --git a/Documentation/git-pack-objects.txt b/Documentation/git-pack-objects.txt index a1e55054bd..5ebe34eebf 100644 --- a/Documentation/git-pack-objects.txt +++ b/Documentation/git-pack-objects.txt @@ -10,7 +10,7 @@ SYNOPSIS -------- [verse] 'git-pack-objects' [-q] [--no-reuse-delta] [--delta-base-offset] [--non-empty] - [--local] [--incremental] [--window=N] [--depth=N] + [--local] [--incremental] [--window=N] [--depth=N] [--all-progress] [--revs [--unpacked | --all]*] [--stdout | base-name] < object-list @@ -47,9 +47,8 @@ base-name:: <base-name> to determine the name of the created file. When this option is used, the two files are written in <base-name>-<SHA1>.{pack,idx} files. <SHA1> is a hash - of object names (currently in random order so it does - not have any useful meaning) to make the resulting - filename reasonably unique, and written to the standard + of the sorted object names to make the resulting filename + based on the pack content, and written to the standard output of the command. --stdout:: diff --git a/Documentation/git-pack-refs.txt b/Documentation/git-pack-refs.txt new file mode 100644 index 0000000000..5da5105771 --- /dev/null +++ b/Documentation/git-pack-refs.txt @@ -0,0 +1,54 @@ +git-pack-refs(1) +================ + +NAME +---- +git-pack-refs - Pack heads and tags for efficient repository access + +SYNOPSIS +-------- +'git-pack-refs' [--all] [--prune] + +DESCRIPTION +----------- + +Traditionally, tips of branches and tags (collectively known as +'refs') were stored one file per ref under `$GIT_DIR/refs` +directory. While many branch tips tend to be updated often, +most tags and some branch tips are never updated. When a +repository has hundreds or thousands of tags, this +one-file-per-ref format both wastes storage and hurts +performance. + +This command is used to solve the storage and performance +problem by stashing the refs in a single file, +`$GIT_DIR/packed-refs`. When a ref is missing from the +traditional `$GIT_DIR/refs` hierarchy, it is looked up in this +file and used if found. + +Subsequent updates to branches always creates new file under +`$GIT_DIR/refs` hierarchy. + +OPTIONS +------- + +\--all:: + +The command by default packs all tags and leaves branch tips +alone. This is because branches are expected to be actively +developed and packing their tips does not help performance. +This option causes branch tips to be packed as well. Useful for +a repository with many branches of historical interests. + +\--prune:: + +After packing the refs, remove loose refs under `$GIT_DIR/refs` +hierarchy. This should probably become default. + +Author +------ +Written by Linus Torvalds <torvalds@osdl.org> + +GIT +--- +Part of the gitlink:git[7] suite diff --git a/Documentation/git-pull.txt b/Documentation/git-pull.txt index 51577fcbe6..2a5aea73ba 100644 --- a/Documentation/git-pull.txt +++ b/Documentation/git-pull.txt @@ -3,7 +3,7 @@ git-pull(1) NAME ---- -git-pull - Pull and merge from another repository +git-pull - Pull and merge from another repository or a local branch SYNOPSIS diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt index 10f2924f4d..03e867a403 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -51,20 +51,69 @@ would be: D---E---F---G master ------------ -While, starting from the same point, the result of either of the following -commands: +The latter form is just a short-hand of `git checkout topic` +followed by `git rebase master`. - git-rebase --onto master~1 master - git-rebase --onto master~1 master topic +Here is how you would transplant a topic branch based on one +branch to another, to pretend that you forked the topic branch +from the latter branch, using `rebase --onto`. -would be: +First let's assume your 'topic' is based on branch 'next'. +For example feature developed in 'topic' depends on some +functionality which is found in 'next'. ------------ - A'--B'--C' topic - / - D---E---F---G master + o---o---o---o---o master + \ + o---o---o---o---o next + \ + o---o---o topic +------------ + +We would want to make 'topic' forked from branch 'master', +for example because the functionality 'topic' branch depend on +got merged into more stable 'master' branch, like this: + +------------ + o---o---o---o---o master + | \ + | o'--o'--o' topic + \ + o---o---o---o---o next ------------ +We can get this using the following command: + + git-rebase --onto master next topic + + +Another example of --onto option is to rebase part of a +branch. If we have the following situation: + +------------ + H---I---J topicB + / + E---F---G topicA + / + A---B---C---D master +------------ + +then the command + + git-rebase --onto master topicA topicB + +would result in: + +------------ + H'--I'--J' topicB + / + | E---F---G topicA + |/ + A---B---C---D master +------------ + +This is useful when topicB does not depend on topicA. + In case of conflict, git-rebase will stop at the first problematic commit and leave conflict markers in the tree. You can use git diff to locate the markers (<<<<<<) and make edits to resolve the conflict. For each diff --git a/Documentation/git-repo-config.txt b/Documentation/git-repo-config.txt index 8a1ab61e94..8199615dde 100644 --- a/Documentation/git-repo-config.txt +++ b/Documentation/git-repo-config.txt @@ -3,19 +3,19 @@ git-repo-config(1) NAME ---- -git-repo-config - Get and set options in .git/config +git-repo-config - Get and set repository or global options. SYNOPSIS -------- [verse] -'git-repo-config' [type] name [value [value_regex]] -'git-repo-config' [type] --replace-all name [value [value_regex]] -'git-repo-config' [type] --get name [value_regex] -'git-repo-config' [type] --get-all name [value_regex] -'git-repo-config' [type] --unset name [value_regex] -'git-repo-config' [type] --unset-all name [value_regex] -'git-repo-config' -l | --list +'git-repo-config' [--global] [type] name [value [value_regex]] +'git-repo-config' [--global] [type] --replace-all name [value [value_regex]] +'git-repo-config' [--global] [type] --get name [value_regex] +'git-repo-config' [--global] [type] --get-all name [value_regex] +'git-repo-config' [--global] [type] --unset name [value_regex] +'git-repo-config' [--global] [type] --unset-all name [value_regex] +'git-repo-config' [--global] -l | --list DESCRIPTION ----------- @@ -41,8 +41,9 @@ This command will fail if: . Can not write to .git/config, . no section was provided, . the section or key is invalid, -. you try to unset an option which does not exist, or -. you try to unset/set an option for which multiple lines match. +. you try to unset an option which does not exist, +. you try to unset/set an option for which multiple lines match, or +. you use --global option without $HOME being properly set. OPTIONS @@ -64,14 +65,17 @@ OPTIONS --get-regexp:: Like --get-all, but interprets the name as a regular expression. +--global:: + Use global ~/.gitconfig file rather than the repository .git/config. + --unset:: - Remove the line matching the key from .git/config. + Remove the line matching the key from config file. --unset-all:: - Remove all matching lines from .git/config. + Remove all matching lines from config file. -l, --list:: - List all variables set in .git/config. + List all variables set in config file. ENVIRONMENT @@ -79,6 +83,7 @@ ENVIRONMENT GIT_CONFIG:: Take the configuration from the given file instead of .git/config. + Using the "--global" option forces this to ~/.gitconfig. GIT_CONFIG_LOCAL:: Currently the same as $GIT_CONFIG; when Git will support global diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt index 481b3f50e3..4c8d907bd5 100644 --- a/Documentation/git-send-email.txt +++ b/Documentation/git-send-email.txt @@ -66,8 +66,13 @@ The options available are: all that is output. --smtp-server:: - If set, specifies the outgoing SMTP server to use. Defaults to - localhost. + If set, specifies the outgoing SMTP server to use. A full + pathname of a sendmail-like program can be specified instead; + the program must support the `-i` option. Default value can + be specified by the 'sendemail.smtpserver' configuration + option; the built-in default is `/usr/sbin/sendmail` or + `/usr/lib/sendmail` if such program is available, or + `localhost` otherwise. --subject:: Specify the initial subject of the email thread. diff --git a/Documentation/git-show-ref.txt b/Documentation/git-show-ref.txt new file mode 100644 index 0000000000..5973a82517 --- /dev/null +++ b/Documentation/git-show-ref.txt @@ -0,0 +1,156 @@ +git-show-ref(1) +=============== + +NAME +---- +git-show-ref - List references in a local repository + +SYNOPSIS +-------- +[verse] +'git-show-ref' [-q|--quiet] [--verify] [-h|--head] [-d|--dereference] + [-s|--hash] [--abbrev] [--tags] [--heads] [--] <pattern>... + +DESCRIPTION +----------- + +Displays references available in a local repository along with the associated +commit IDs. Results can be filtered using a pattern and tags can be +dereferenced into object IDs. Additionally, it can be used to test whether a +particular ref exists. + +Use of this utility is encouraged in favor of directly accessing files under +in the `.git` directory. + +OPTIONS +------- + +-h, --head:: + + Show the HEAD reference. + +--tags, --heads:: + + Limit to only "refs/heads" and "refs/tags", respectively. These + options are not mutually exclusive; when given both, references stored + in "refs/heads" and "refs/tags" are displayed. + +-d, --dereference:: + + Dereference tags into object IDs as well. They will be shown with "^{}" + appended. + +-s, --hash:: + + Only show the SHA1 hash, not the reference name. When also using + --dereference the dereferenced tag will still be shown after the SHA1. + +--verify:: + + Enable stricter reference checking by requiring an exact ref path. + Aside from returning an error code of 1, it will also print an error + message if '--quiet' was not specified. + +--abbrev, --abbrev=len:: + + Abbreviate the object name. When using `--hash`, you do + not have to say `--hash --abbrev`; `--hash=len` would do. + +-q, --quiet:: + + Do not print any results to stdout. When combined with '--verify' this + can be used to silently check if a reference exists. + +<pattern>:: + + Show references matching one or more patterns. + +OUTPUT +------ + +The output is in the format: '<SHA-1 ID>' '<space>' '<reference name>'. + +----------------------------------------------------------------------------- +$ git show-ref --head --dereference +832e76a9899f560a90ffd62ae2ce83bbeff58f54 HEAD +832e76a9899f560a90ffd62ae2ce83bbeff58f54 refs/heads/master +832e76a9899f560a90ffd62ae2ce83bbeff58f54 refs/heads/origin +3521017556c5de4159da4615a39fa4d5d2c279b5 refs/tags/v0.99.9c +6ddc0964034342519a87fe013781abf31c6db6ad refs/tags/v0.99.9c^{} +055e4ae3ae6eb344cbabf2a5256a49ea66040131 refs/tags/v1.0rc4 +423325a2d24638ddcc82ce47be5e40be550f4507 refs/tags/v1.0rc4^{} +... +----------------------------------------------------------------------------- + +When using --hash (and not --dereference) the output format is: '<SHA-1 ID>' + +----------------------------------------------------------------------------- +$ git show-ref --heads --hash +2e3ba0114a1f52b47df29743d6915d056be13278 +185008ae97960c8d551adcd9e23565194651b5d1 +03adf42c988195b50e1a1935ba5fcbc39b2b029b +... +----------------------------------------------------------------------------- + +EXAMPLE +------- + +To show all references called "master", whether tags or heads or anything +else, and regardless of how deep in the reference naming hierarchy they are, +use: + +----------------------------------------------------------------------------- + git show-ref master +----------------------------------------------------------------------------- + +This will show "refs/heads/master" but also "refs/remote/other-repo/master", +if such references exists. + +When using the '--verify' flag, the command requires an exact path: + +----------------------------------------------------------------------------- + git show-ref --verify refs/heads/master +----------------------------------------------------------------------------- + +will only match the exact branch called "master". + +If nothing matches, gitlink:git-show-ref[1] will return an error code of 1, +and in the case of verification, it will show an error message. + +For scripting, you can ask it to be quiet with the "--quiet" flag, which +allows you to do things like + +----------------------------------------------------------------------------- + git-show-ref --quiet --verify -- "refs/heads/$headname" || + echo "$headname is not a valid branch" +----------------------------------------------------------------------------- + +to check whether a particular branch exists or not (notice how we don't +actually want to show any results, and we want to use the full refname for it +in order to not trigger the problem with ambiguous partial matches). + +To show only tags, or only proper branch heads, use "--tags" and/or "--heads" +respectively (using both means that it shows tags and heads, but not other +random references under the refs/ subdirectory). + +To do automatic tag object dereferencing, use the "-d" or "--dereference" +flag, so you can do + +----------------------------------------------------------------------------- + git show-ref --tags --dereference +----------------------------------------------------------------------------- + +to get a listing of all tags together with what they dereference. + +SEE ALSO +-------- +gitlink:git-ls-remote[1], gitlink:git-peek-remote[1] + +AUTHORS +------- +Written by Linus Torvalds <torvalds@osdl.org>. +Man page by Jonas Fonseca <fonseca@diku.dk>. + +GIT +--- +Part of the gitlink:git[7] suite diff --git a/Documentation/git-update-ref.txt b/Documentation/git-update-ref.txt index e062030e91..71bcb7954f 100644 --- a/Documentation/git-update-ref.txt +++ b/Documentation/git-update-ref.txt @@ -7,7 +7,7 @@ git-update-ref - update the object name stored in a ref safely SYNOPSIS -------- -'git-update-ref' [-m <reason>] <ref> <newvalue> [<oldvalue>] +'git-update-ref' [-m <reason>] (-d <ref> <oldvalue> | <ref> <newvalue> [<oldvalue>]) DESCRIPTION ----------- @@ -20,7 +20,9 @@ possibly dereferencing the symbolic refs, after verifying that the current value of the <ref> matches <oldvalue>. E.g. `git-update-ref refs/heads/master <newvalue> <oldvalue>` updates the master branch head to <newvalue> only if its current -value is <oldvalue>. +value is <oldvalue>. You can specify 40 "0" or an empty string +as <oldvalue> to make sure that the ref you are creating does +not exist. It also allows a "ref" file to be a symbolic pointer to another ref file by starting with the four-byte header sequence of @@ -49,6 +51,10 @@ for reading but not for writing (so we'll never write through a ref symlink to some other tree, if you have copied a whole archive by creating a symlink tree). +With `-d` flag, it deletes the named <ref> after verifying it +still contains <oldvalue>. + + Logging Updates --------------- If config parameter "core.logAllRefUpdates" is true or the file diff --git a/Documentation/git.txt b/Documentation/git.txt index b00607ee1b..4ce4f8d1c6 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -72,185 +72,6 @@ GIT COMMANDS We divide git into high level ("porcelain") commands and low level ("plumbing") commands. -Low-level commands (plumbing) ------------------------------ - -Although git includes its -own porcelain layer, its low-level commands are sufficient to support -development of alternative porcelains. Developers of such porcelains -might start by reading about gitlink:git-update-index[1] and -gitlink:git-read-tree[1]. - -We divide the low-level commands into commands that manipulate objects (in -the repository, index, and working tree), commands that interrogate and -compare objects, and commands that move objects and references between -repositories. - -Manipulation commands -~~~~~~~~~~~~~~~~~~~~~ -gitlink:git-apply[1]:: - Reads a "diff -up1" or git generated patch file and - applies it to the working tree. - -gitlink:git-checkout-index[1]:: - Copy files from the index to the working tree. - -gitlink:git-commit-tree[1]:: - Creates a new commit object. - -gitlink:git-hash-object[1]:: - Computes the object ID from a file. - -gitlink:git-index-pack[1]:: - Build pack idx file for an existing packed archive. - -gitlink:git-init-db[1]:: - Creates an empty git object database, or reinitialize an - existing one. - -gitlink:git-merge-index[1]:: - Runs a merge for files needing merging. - -gitlink:git-mktag[1]:: - Creates a tag object. - -gitlink:git-mktree[1]:: - Build a tree-object from ls-tree formatted text. - -gitlink:git-pack-objects[1]:: - Creates a packed archive of objects. - -gitlink:git-prune-packed[1]:: - Remove extra objects that are already in pack files. - -gitlink:git-read-tree[1]:: - Reads tree information into the index. - -gitlink:git-repo-config[1]:: - Get and set options in .git/config. - -gitlink:git-unpack-objects[1]:: - Unpacks objects out of a packed archive. - -gitlink:git-update-index[1]:: - Registers files in the working tree to the index. - -gitlink:git-write-tree[1]:: - Creates a tree from the index. - - -Interrogation commands -~~~~~~~~~~~~~~~~~~~~~~ - -gitlink:git-cat-file[1]:: - Provide content or type/size information for repository objects. - -gitlink:git-describe[1]:: - Show the most recent tag that is reachable from a commit. - -gitlink:git-diff-index[1]:: - Compares content and mode of blobs between the index and repository. - -gitlink:git-diff-files[1]:: - Compares files in the working tree and the index. - -gitlink:git-diff-stages[1]:: - Compares two "merge stages" in the index. - -gitlink:git-diff-tree[1]:: - Compares the content and mode of blobs found via two tree objects. - -gitlink:git-fsck-objects[1]:: - Verifies the connectivity and validity of the objects in the database. - -gitlink:git-ls-files[1]:: - Information about files in the index and the working tree. - -gitlink:git-ls-tree[1]:: - Displays a tree object in human readable form. - -gitlink:git-merge-base[1]:: - Finds as good common ancestors as possible for a merge. - -gitlink:git-name-rev[1]:: - Find symbolic names for given revs. - -gitlink:git-pack-redundant[1]:: - Find redundant pack files. - -gitlink:git-rev-list[1]:: - Lists commit objects in reverse chronological order. - -gitlink:git-show-index[1]:: - Displays contents of a pack idx file. - -gitlink:git-tar-tree[1]:: - Creates a tar archive of the files in the named tree object. - -gitlink:git-unpack-file[1]:: - Creates a temporary file with a blob's contents. - -gitlink:git-var[1]:: - Displays a git logical variable. - -gitlink:git-verify-pack[1]:: - Validates packed git archive files. - -In general, the interrogate commands do not touch the files in -the working tree. - - -Synching repositories -~~~~~~~~~~~~~~~~~~~~~ - -gitlink:git-fetch-pack[1]:: - Updates from a remote repository (engine for ssh and - local transport). - -gitlink:git-http-fetch[1]:: - Downloads a remote git repository via HTTP by walking - commit chain. - -gitlink:git-local-fetch[1]:: - Duplicates another git repository on a local system by - walking commit chain. - -gitlink:git-peek-remote[1]:: - Lists references on a remote repository using - upload-pack protocol (engine for ssh and local - transport). - -gitlink:git-receive-pack[1]:: - Invoked by 'git-send-pack' to receive what is pushed to it. - -gitlink:git-send-pack[1]:: - Pushes to a remote repository, intelligently. - -gitlink:git-http-push[1]:: - Push missing objects using HTTP/DAV. - -gitlink:git-shell[1]:: - Restricted shell for GIT-only SSH access. - -gitlink:git-ssh-fetch[1]:: - Pulls from a remote repository over ssh connection by - walking commit chain. - -gitlink:git-ssh-upload[1]:: - Helper "server-side" program used by git-ssh-fetch. - -gitlink:git-update-server-info[1]:: - Updates auxiliary information on a dumb server to help - clients discover references and packs on it. - -gitlink:git-upload-archive[1]:: - Invoked by 'git-archive' to send a generated archive. - -gitlink:git-upload-pack[1]:: - Invoked by 'git-fetch-pack' to push - what are asked for. - - High-level commands (porcelain) ------------------------------- @@ -320,8 +141,11 @@ gitlink:git-merge[1]:: gitlink:git-mv[1]:: Move or rename a file, a directory, or a symlink. +gitlink:git-pack-refs[1]:: + Pack heads and tags for efficient repository access. + gitlink:git-pull[1]:: - Fetch from and merge with a remote repository. + Fetch from and merge with a remote repository or a local branch. gitlink:git-push[1]:: Update remote refs along with associated objects. @@ -488,6 +312,191 @@ gitlink:git-stripspace[1]:: Filter out empty lines. +Low-level commands (plumbing) +----------------------------- + +Although git includes its +own porcelain layer, its low-level commands are sufficient to support +development of alternative porcelains. Developers of such porcelains +might start by reading about gitlink:git-update-index[1] and +gitlink:git-read-tree[1]. + +We divide the low-level commands into commands that manipulate objects (in +the repository, index, and working tree), commands that interrogate and +compare objects, and commands that move objects and references between +repositories. + +Manipulation commands +~~~~~~~~~~~~~~~~~~~~~ +gitlink:git-apply[1]:: + Reads a "diff -up1" or git generated patch file and + applies it to the working tree. + +gitlink:git-checkout-index[1]:: + Copy files from the index to the working tree. + +gitlink:git-commit-tree[1]:: + Creates a new commit object. + +gitlink:git-hash-object[1]:: + Computes the object ID from a file. + +gitlink:git-index-pack[1]:: + Build pack idx file for an existing packed archive. + +gitlink:git-init-db[1]:: + Creates an empty git object database, or reinitialize an + existing one. + +gitlink:git-merge-index[1]:: + Runs a merge for files needing merging. + +gitlink:git-mktag[1]:: + Creates a tag object. + +gitlink:git-mktree[1]:: + Build a tree-object from ls-tree formatted text. + +gitlink:git-pack-objects[1]:: + Creates a packed archive of objects. + +gitlink:git-prune-packed[1]:: + Remove extra objects that are already in pack files. + +gitlink:git-read-tree[1]:: + Reads tree information into the index. + +gitlink:git-repo-config[1]:: + Get and set options in .git/config. + +gitlink:git-unpack-objects[1]:: + Unpacks objects out of a packed archive. + +gitlink:git-update-index[1]:: + Registers files in the working tree to the index. + +gitlink:git-write-tree[1]:: + Creates a tree from the index. + + +Interrogation commands +~~~~~~~~~~~~~~~~~~~~~~ + +gitlink:git-cat-file[1]:: + Provide content or type/size information for repository objects. + +gitlink:git-describe[1]:: + Show the most recent tag that is reachable from a commit. + +gitlink:git-diff-index[1]:: + Compares content and mode of blobs between the index and repository. + +gitlink:git-diff-files[1]:: + Compares files in the working tree and the index. + +gitlink:git-diff-stages[1]:: + Compares two "merge stages" in the index. + +gitlink:git-diff-tree[1]:: + Compares the content and mode of blobs found via two tree objects. + +gitlink:git-for-each-ref[1]:: + Output information on each ref. + +gitlink:git-fsck-objects[1]:: + Verifies the connectivity and validity of the objects in the database. + +gitlink:git-ls-files[1]:: + Information about files in the index and the working tree. + +gitlink:git-ls-tree[1]:: + Displays a tree object in human readable form. + +gitlink:git-merge-base[1]:: + Finds as good common ancestors as possible for a merge. + +gitlink:git-name-rev[1]:: + Find symbolic names for given revs. + +gitlink:git-pack-redundant[1]:: + Find redundant pack files. + +gitlink:git-rev-list[1]:: + Lists commit objects in reverse chronological order. + +gitlink:git-show-index[1]:: + Displays contents of a pack idx file. + +gitlink:git-show-ref[1]:: + List references in a local repository. + +gitlink:git-tar-tree[1]:: + Creates a tar archive of the files in the named tree object. + +gitlink:git-unpack-file[1]:: + Creates a temporary file with a blob's contents. + +gitlink:git-var[1]:: + Displays a git logical variable. + +gitlink:git-verify-pack[1]:: + Validates packed git archive files. + +In general, the interrogate commands do not touch the files in +the working tree. + + +Synching repositories +~~~~~~~~~~~~~~~~~~~~~ + +gitlink:git-fetch-pack[1]:: + Updates from a remote repository (engine for ssh and + local transport). + +gitlink:git-http-fetch[1]:: + Downloads a remote git repository via HTTP by walking + commit chain. + +gitlink:git-local-fetch[1]:: + Duplicates another git repository on a local system by + walking commit chain. + +gitlink:git-peek-remote[1]:: + Lists references on a remote repository using + upload-pack protocol (engine for ssh and local + transport). + +gitlink:git-receive-pack[1]:: + Invoked by 'git-send-pack' to receive what is pushed to it. + +gitlink:git-send-pack[1]:: + Pushes to a remote repository, intelligently. + +gitlink:git-http-push[1]:: + Push missing objects using HTTP/DAV. + +gitlink:git-shell[1]:: + Restricted shell for GIT-only SSH access. + +gitlink:git-ssh-fetch[1]:: + Pulls from a remote repository over ssh connection by + walking commit chain. + +gitlink:git-ssh-upload[1]:: + Helper "server-side" program used by git-ssh-fetch. + +gitlink:git-update-server-info[1]:: + Updates auxiliary information on a dumb server to help + clients discover references and packs on it. + +gitlink:git-upload-archive[1]:: + Invoked by 'git-archive' to send a generated archive. + +gitlink:git-upload-pack[1]:: + Invoked by 'git-fetch-pack' to push + what are asked for. + + Configuration Mechanism ----------------------- @@ -158,8 +158,8 @@ BASIC_CFLAGS = BASIC_LDFLAGS = SCRIPT_SH = \ - git-bisect.sh git-branch.sh git-checkout.sh \ - git-cherry.sh git-clean.sh git-clone.sh git-commit.sh \ + git-bisect.sh git-checkout.sh \ + git-clean.sh git-clone.sh git-commit.sh \ git-fetch.sh \ git-ls-remote.sh \ git-merge-one-file.sh git-parse-remote.sh \ @@ -187,15 +187,12 @@ SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH)) \ $(patsubst %.py,%,$(SCRIPT_PYTHON)) \ git-cherry-pick git-status git-instaweb -# The ones that do not have to link with lcrypto, lz nor xdiff. -SIMPLE_PROGRAMS = \ - git-daemon$X - # ... and all the rest that could be moved out of bindir to gitexecdir PROGRAMS = \ git-convert-objects$X git-fetch-pack$X git-fsck-objects$X \ git-hash-object$X git-index-pack$X git-local-fetch$X \ git-merge-base$X \ + git-daemon$X \ git-merge-index$X git-mktag$X git-mktree$X git-patch-id$X \ git-peek-remote$X git-receive-pack$X \ git-send-pack$X git-shell$X \ @@ -212,12 +209,12 @@ PROGRAMS = \ EXTRA_PROGRAMS = BUILT_INS = \ - git-format-patch$X git-show$X git-whatchanged$X \ + git-format-patch$X git-show$X git-whatchanged$X git-cherry$X \ git-get-tar-commit-id$X \ $(patsubst builtin-%.o,git-%$X,$(BUILTIN_OBJS)) # what 'all' will build and 'install' will install, in gitexecdir -ALL_PROGRAMS = $(PROGRAMS) $(SIMPLE_PROGRAMS) $(SCRIPTS) \ +ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS) \ git-merge-recur$X # Backward compatibility -- to be removed after 1.0 @@ -260,7 +257,7 @@ LIB_OBJS = \ quote.o read-cache.o refs.o run-command.o dir.o object-refs.o \ server-info.o setup.o sha1_file.o sha1_name.o strbuf.o \ tag.o tree.o usage.o config.o environment.o ctype.o copy.o \ - fetch-clone.o revision.o pager.o tree-walk.o xdiff-interface.o \ + revision.o pager.o tree-walk.o xdiff-interface.o \ write_or_die.o trace.o list-objects.o grep.o \ alloc.o merge-file.o path-list.o help.o unpack-trees.o $(DIFF_OBJS) \ color.o wt-status.o archive-zip.o archive-tar.o @@ -270,6 +267,7 @@ BUILTIN_OBJS = \ builtin-annotate.o \ builtin-apply.o \ builtin-archive.o \ + builtin-branch.o \ builtin-cat-file.o \ builtin-checkout-index.o \ builtin-check-ref-format.o \ @@ -310,7 +308,9 @@ BUILTIN_OBJS = \ builtin-update-ref.o \ builtin-upload-archive.o \ builtin-verify-pack.o \ - builtin-write-tree.o + builtin-write-tree.o \ + builtin-show-ref.o \ + builtin-pack-refs.o GITLIBS = $(LIB_FILE) $(XDIFF_LIB) EXTLIBS = -lz @@ -483,11 +483,9 @@ ifdef NEEDS_LIBICONV endif ifdef NEEDS_SOCKET EXTLIBS += -lsocket - SIMPLE_LIB += -lsocket endif ifdef NEEDS_NSL EXTLIBS += -lnsl - SIMPLE_LIB += -lnsl endif ifdef NO_D_TYPE_IN_DIRENT BASIC_CFLAGS += -DNO_D_TYPE_IN_DIRENT @@ -734,11 +732,6 @@ endif git-%$X: %.o $(GITLIBS) $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS) -$(SIMPLE_PROGRAMS) : $(LIB_FILE) -$(SIMPLE_PROGRAMS) : git-%$X : %.o - $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \ - $(LIB_FILE) $(SIMPLE_LIB) - ssh-pull.o: ssh-fetch.c ssh-push.o: ssh-upload.c git-local-fetch$X: fetch.o @@ -939,3 +932,8 @@ check-docs:: *) echo "no link: $$v";; \ esac ; \ done | sort + +### Make sure built-ins do not have dups and listed in git.c +# +check-builtins:: + ./check-builtins.sh @@ -25,8 +25,6 @@ struct archiver { parse_extra_args_fn_t parse_extra; }; -extern struct archiver archivers[]; - extern int parse_archive_args(int argc, const char **argv, struct archiver *ar); @@ -19,7 +19,9 @@ #include "xdiff-interface.h" #include "quote.h" +#ifndef DEBUG #define DEBUG 0 +#endif static const char blame_usage[] = "git-blame [-c] [-l] [-t] [-f] [-n] [-p] [-S <revs-file>] [--] file [commit]\n" @@ -232,6 +234,9 @@ static void print_map(struct commit *cmit, struct commit *other) util2->num_lines ? util->num_lines : util2->num_lines; int num; + if (print_map == NULL) + ; /* to avoid "unused function" warning */ + for (i = 0; i < max; i++) { printf("i: %d ", i); num = -1; diff --git a/builtin-apply.c b/builtin-apply.c index 11397f5504..aad55261fa 100644 --- a/builtin-apply.c +++ b/builtin-apply.c @@ -43,7 +43,7 @@ static int apply_verbosely; static int no_add; static int show_index_info; static int line_termination = '\n'; -static unsigned long p_context = -1; +static unsigned long p_context = ULONG_MAX; static const char apply_usage[] = "git-apply [--stat] [--numstat] [--summary] [--check] [--index] [--cached] [--apply] [--no-add] [--index-info] [--allow-binary-replacement] [--reverse] [--reject] [--verbose] [-z] [-pNUM] [-CNUM] [--whitespace=<nowarn|warn|error|error-all|strip>] <patch>..."; @@ -1043,10 +1043,14 @@ static int parse_single_patch(char *line, unsigned long size, struct patch *patc * then not having oldlines means the patch is creation, * and not having newlines means the patch is deletion. */ - if (patch->is_new < 0 && !oldlines) + if (patch->is_new < 0 && !oldlines) { patch->is_new = 1; - if (patch->is_delete < 0 && !newlines) + patch->old_name = NULL; + } + if (patch->is_delete < 0 && !newlines) { patch->is_delete = 1; + patch->new_name = NULL; + } } if (0 < patch->is_new && oldlines) diff --git a/builtin-archive.c b/builtin-archive.c index 9177379122..2df1a84b85 100644 --- a/builtin-archive.c +++ b/builtin-archive.c @@ -15,16 +15,14 @@ static const char archive_usage[] = \ "git-archive --format=<fmt> [--prefix=<prefix>/] [--verbose] [<extra>] <tree-ish> [path...]"; -struct archiver archivers[] = { - { - .name = "tar", - .write_archive = write_tar_archive, - }, - { - .name = "zip", - .write_archive = write_zip_archive, - .parse_extra = parse_extra_zip_args, - }, +static struct archiver_desc +{ + const char *name; + write_archive_fn_t write_archive; + parse_extra_args_fn_t parse_extra; +} archivers[] = { + { "tar", write_tar_archive, NULL }, + { "zip", write_zip_archive, parse_extra_zip_args }, }; static int run_remote_archiver(const char *remote, int argc, @@ -88,7 +86,10 @@ static int init_archiver(const char *name, struct archiver *ar) for (i = 0; i < ARRAY_SIZE(archivers); i++) { if (!strcmp(name, archivers[i].name)) { - memcpy(ar, &archivers[i], sizeof(struct archiver)); + memset(ar, 0, sizeof(*ar)); + ar->name = archivers[i].name; + ar->write_archive = archivers[i].write_archive; + ar->parse_extra = archivers[i].parse_extra; rv = 0; break; } diff --git a/builtin-branch.c b/builtin-branch.c new file mode 100644 index 0000000000..368b68ec91 --- /dev/null +++ b/builtin-branch.c @@ -0,0 +1,221 @@ +/* + * Builtin "git branch" + * + * Copyright (c) 2006 Kristian Høgsberg <krh@redhat.com> + * Based on git-branch.sh by Junio C Hamano. + */ + +#include "cache.h" +#include "refs.h" +#include "commit.h" +#include "builtin.h" + +static const char builtin_branch_usage[] = +"git-branch (-d | -D) <branchname> | [-l] [-f] <branchname> [<start-point>] | [-r]"; + + +static const char *head; +static unsigned char head_sha1[20]; + +static int in_merge_bases(const unsigned char *sha1, + struct commit *rev1, + struct commit *rev2) +{ + struct commit_list *bases, *b; + int ret = 0; + + bases = get_merge_bases(rev1, rev2, 1); + for (b = bases; b; b = b->next) { + if (!hashcmp(sha1, b->item->object.sha1)) { + ret = 1; + break; + } + } + + free_commit_list(bases); + return ret; +} + +static void delete_branches(int argc, const char **argv, int force) +{ + struct commit *rev, *head_rev; + unsigned char sha1[20]; + char *name; + int i; + + head_rev = lookup_commit_reference(head_sha1); + for (i = 0; i < argc; i++) { + if (!strcmp(head, argv[i])) + die("Cannot delete the branch you are currently on."); + + name = xstrdup(mkpath("refs/heads/%s", argv[i])); + if (!resolve_ref(name, sha1, 1, NULL)) + die("Branch '%s' not found.", argv[i]); + + rev = lookup_commit_reference(sha1); + if (!rev || !head_rev) + die("Couldn't look up commit objects."); + + /* This checks whether the merge bases of branch and + * HEAD contains branch -- which means that the HEAD + * contains everything in both. + */ + + if (!force && + !in_merge_bases(sha1, rev, head_rev)) { + fprintf(stderr, + "The branch '%s' is not a strict subset of your current HEAD.\n" + "If you are sure you want to delete it, run 'git branch -D %s'.\n", + argv[i], argv[i]); + exit(1); + } + + if (delete_ref(name, sha1)) + printf("Error deleting branch '%s'\n", argv[i]); + else + printf("Deleted branch %s.\n", argv[i]); + + free(name); + } +} + +static int ref_index, ref_alloc; +static char **ref_list; + +static int append_ref(const char *refname, const unsigned char *sha1, int flags, + void *cb_data) +{ + if (ref_index >= ref_alloc) { + ref_alloc = alloc_nr(ref_alloc); + ref_list = xrealloc(ref_list, ref_alloc * sizeof(char *)); + } + + ref_list[ref_index++] = xstrdup(refname); + + return 0; +} + +static int ref_cmp(const void *r1, const void *r2) +{ + return strcmp(*(char **)r1, *(char **)r2); +} + +static void print_ref_list(int remote_only) +{ + int i; + char c; + + if (remote_only) + for_each_remote_ref(append_ref, NULL); + else + for_each_branch_ref(append_ref, NULL); + + qsort(ref_list, ref_index, sizeof(char *), ref_cmp); + + for (i = 0; i < ref_index; i++) { + c = ' '; + if (!strcmp(ref_list[i], head)) + c = '*'; + + printf("%c %s\n", c, ref_list[i]); + } +} + +static void create_branch(const char *name, const char *start, + int force, int reflog) +{ + struct ref_lock *lock; + struct commit *commit; + unsigned char sha1[20]; + char ref[PATH_MAX], msg[PATH_MAX + 20]; + + snprintf(ref, sizeof ref, "refs/heads/%s", name); + if (check_ref_format(ref)) + die("'%s' is not a valid branch name.", name); + + if (resolve_ref(ref, sha1, 1, NULL)) { + if (!force) + die("A branch named '%s' already exists.", name); + else if (!strcmp(head, name)) + die("Cannot force update the current branch."); + } + + if (get_sha1(start, sha1) || + (commit = lookup_commit_reference(sha1)) == NULL) + die("Not a valid branch point: '%s'.", start); + hashcpy(sha1, commit->object.sha1); + + lock = lock_any_ref_for_update(ref, NULL); + if (!lock) + die("Failed to lock ref for update: %s.", strerror(errno)); + + if (reflog) { + log_all_ref_updates = 1; + snprintf(msg, sizeof msg, "branch: Created from %s", start); + } + + if (write_ref_sha1(lock, sha1, msg) < 0) + die("Failed to write ref: %s.", strerror(errno)); +} + +int cmd_branch(int argc, const char **argv, const char *prefix) +{ + int delete = 0, force_delete = 0, force_create = 0, remote_only = 0; + int reflog = 0; + int i; + + git_config(git_default_config); + + for (i = 1; i < argc; i++) { + const char *arg = argv[i]; + + if (arg[0] != '-') + break; + if (!strcmp(arg, "--")) { + i++; + break; + } + if (!strcmp(arg, "-d")) { + delete = 1; + continue; + } + if (!strcmp(arg, "-D")) { + delete = 1; + force_delete = 1; + continue; + } + if (!strcmp(arg, "-f")) { + force_create = 1; + continue; + } + if (!strcmp(arg, "-r")) { + remote_only = 1; + continue; + } + if (!strcmp(arg, "-l")) { + reflog = 1; + continue; + } + usage(builtin_branch_usage); + } + + head = xstrdup(resolve_ref("HEAD", head_sha1, 0, NULL)); + if (!head) + die("Failed to resolve HEAD as a valid ref."); + if (strncmp(head, "refs/heads/", 11)) + die("HEAD not found below refs/heads!"); + head += 11; + + if (delete) + delete_branches(argc - i, argv + i, force_delete); + else if (i == argc) + print_ref_list(remote_only); + else if (i == argc - 1) + create_branch(argv[i], head, force_create, reflog); + else if (i == argc - 2) + create_branch(argv[i], argv[i + 1], force_create, reflog); + else + usage(builtin_branch_usage); + + return 0; +} diff --git a/builtin-fmt-merge-msg.c b/builtin-fmt-merge-msg.c index c407c033e7..3d3097d299 100644 --- a/builtin-fmt-merge-msg.c +++ b/builtin-fmt-merge-msg.c @@ -249,7 +249,7 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix) FILE *in = stdin; const char *sep = ""; unsigned char head_sha1[20]; - const char *head, *current_branch; + const char *current_branch; git_config(fmt_merge_msg_config); @@ -277,10 +277,7 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix) usage(fmt_merge_msg_usage); /* get current branch */ - head = xstrdup(git_path("HEAD")); - current_branch = resolve_ref(head, head_sha1, 1); - current_branch += strlen(head) - 4; - free((char *)head); + current_branch = resolve_ref("HEAD", head_sha1, 1, NULL); if (!strncmp(current_branch, "refs/heads/", 11)) current_branch += 11; diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c index 698618b798..173bf38735 100644 --- a/builtin-for-each-ref.c +++ b/builtin-for-each-ref.c @@ -59,6 +59,8 @@ static struct { { "taggername" }, { "taggeremail" }, { "taggerdate", FIELD_TIME }, + { "creator" }, + { "creatordate", FIELD_TIME }, { "subject" }, { "body" }, { "contents" }, @@ -401,6 +403,29 @@ static void grab_person(const char *who, struct atom_value *val, int deref, stru else if (!strcmp(name + wholen, "date")) grab_date(wholine, v); } + + /* For a tag or a commit object, if "creator" or "creatordate" is + * requested, do something special. + */ + if (strcmp(who, "tagger") && strcmp(who, "committer")) + return; /* "author" for commit object is not wanted */ + if (!wholine) + wholine = find_wholine(who, wholen, buf, sz); + if (!wholine) + return; + for (i = 0; i < used_atom_cnt; i++) { + const char *name = used_atom[i]; + struct atom_value *v = &val[i]; + if (!!deref != (*name == '*')) + continue; + if (deref) + name++; + + if (!strcmp(name, "creatordate")) + grab_date(wholine, v); + else if (!strcmp(name, "creator")) + v->s = copy_line(wholine); + } } static void find_subpos(const char *buf, unsigned long sz, const char **sub, const char **body) @@ -585,24 +610,27 @@ static void get_value(struct refinfo *ref, int atom, struct atom_value **v) *v = &ref->value[atom]; } -static struct refinfo **grab_array; -static const char **grab_pattern; -static int *grab_cnt; +struct grab_ref_cbdata { + struct refinfo **grab_array; + const char **grab_pattern; + int grab_cnt; +}; /* * A call-back given to for_each_ref(). It is unfortunate that we * need to use global variables to pass extra information to this * function. */ -static int grab_single_ref(const char *refname, const unsigned char *sha1) +static int grab_single_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { + struct grab_ref_cbdata *cb = cb_data; struct refinfo *ref; int cnt; - if (*grab_pattern) { + if (*cb->grab_pattern) { const char **pattern; int namelen = strlen(refname); - for (pattern = grab_pattern; *pattern; pattern++) { + for (pattern = cb->grab_pattern; *pattern; pattern++) { const char *p = *pattern; int plen = strlen(p); @@ -626,25 +654,14 @@ static int grab_single_ref(const char *refname, const unsigned char *sha1) ref->refname = xstrdup(refname); hashcpy(ref->objectname, sha1); - cnt = *grab_cnt; - grab_array = xrealloc(grab_array, sizeof(*grab_array) * (cnt + 1)); - grab_array[cnt++] = ref; - *grab_cnt = cnt; + cnt = cb->grab_cnt; + cb->grab_array = xrealloc(cb->grab_array, + sizeof(*cb->grab_array) * (cnt + 1)); + cb->grab_array[cnt++] = ref; + cb->grab_cnt = cnt; return 0; } -static struct refinfo **grab_refs(const char **pattern, int *cnt) -{ - /* Sheesh, we really should make for-each-ref to take - * callback data. - */ - *cnt = 0; - grab_pattern = pattern; - grab_cnt = cnt; - for_each_ref(grab_single_ref); - return grab_array; -} - static int cmp_ref_sort(struct ref_sort *s, struct refinfo *a, struct refinfo *b) { struct atom_value *va, *vb; @@ -784,6 +801,7 @@ int cmd_for_each_ref(int ac, const char **av, char *prefix) int maxcount = 0; int quote_style = -1; /* unspecified yet */ struct refinfo **refs; + struct grab_ref_cbdata cbdata; for (i = 1; i < ac; i++) { const char *arg = av[i]; @@ -855,7 +873,11 @@ int cmd_for_each_ref(int ac, const char **av, char *prefix) verify_format(format); - refs = grab_refs(av + i, &num_refs); + memset(&cbdata, 0, sizeof(cbdata)); + cbdata.grab_pattern = av + i; + for_each_ref(grab_single_ref, &cbdata); + refs = cbdata.grab_array; + num_refs = cbdata.grab_cnt; for (i = 0; i < used_atom_cnt; i++) { if (used_atom[i][0] == '*') { diff --git a/builtin-init-db.c b/builtin-init-db.c index c3ed1ce492..235a0ee48f 100644 --- a/builtin-init-db.c +++ b/builtin-init-db.c @@ -218,8 +218,8 @@ static void create_default_files(const char *git_dir, const char *template_path) * branch, if it does not exist yet. */ strcpy(path + len, "HEAD"); - if (read_ref(path, sha1) < 0) { - if (create_symref(path, "refs/heads/master") < 0) + if (read_ref("HEAD", sha1) < 0) { + if (create_symref("HEAD", "refs/heads/master") < 0) exit(1); } diff --git a/builtin-log.c b/builtin-log.c index 9d1ceae44c..fedb0137bc 100644 --- a/builtin-log.c +++ b/builtin-log.c @@ -171,8 +171,11 @@ static void reopen_stdout(struct commit *commit, int nr, int keep_subject) static int get_patch_id(struct commit *commit, struct diff_options *options, unsigned char *sha1) { - diff_tree_sha1(commit->parents->item->object.sha1, commit->object.sha1, - "", options); + if (commit->parents) + diff_tree_sha1(commit->parents->item->object.sha1, + commit->object.sha1, "", options); + else + diff_root_tree_sha1(commit->object.sha1, "", options); diffcore_std(options); return diff_flush_patch_id(options, sha1); } @@ -437,3 +440,109 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) return 0; } +static int add_pending_commit(const char *arg, struct rev_info *revs, int flags) +{ + unsigned char sha1[20]; + if (get_sha1(arg, sha1) == 0) { + struct commit *commit = lookup_commit_reference(sha1); + if (commit) { + commit->object.flags |= flags; + add_pending_object(revs, &commit->object, arg); + return 0; + } + } + return -1; +} + +static const char cherry_usage[] = +"git-cherry [-v] <upstream> [<head>] [<limit>]"; +int cmd_cherry(int argc, const char **argv, const char *prefix) +{ + struct rev_info revs; + struct diff_options patch_id_opts; + struct commit *commit; + struct commit_list *list = NULL; + const char *upstream; + const char *head = "HEAD"; + const char *limit = NULL; + int verbose = 0; + + if (argc > 1 && !strcmp(argv[1], "-v")) { + verbose = 1; + argc--; + argv++; + } + + switch (argc) { + case 4: + limit = argv[3]; + /* FALLTHROUGH */ + case 3: + head = argv[2]; + /* FALLTHROUGH */ + case 2: + upstream = argv[1]; + break; + default: + usage(cherry_usage); + } + + init_revisions(&revs, prefix); + revs.diff = 1; + revs.combine_merges = 0; + revs.ignore_merges = 1; + revs.diffopt.recursive = 1; + + if (add_pending_commit(head, &revs, 0)) + die("Unknown commit %s", head); + if (add_pending_commit(upstream, &revs, UNINTERESTING)) + die("Unknown commit %s", upstream); + + /* Don't say anything if head and upstream are the same. */ + if (revs.pending.nr == 2) { + struct object_array_entry *o = revs.pending.objects; + if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0) + return 0; + } + + get_patch_ids(&revs, &patch_id_opts, prefix); + + if (limit && add_pending_commit(limit, &revs, UNINTERESTING)) + die("Unknown commit %s", limit); + + /* reverse the list of commits */ + prepare_revision_walk(&revs); + while ((commit = get_revision(&revs)) != NULL) { + /* ignore merges */ + if (commit->parents && commit->parents->next) + continue; + + commit_list_insert(commit, &list); + } + + while (list) { + unsigned char sha1[20]; + char sign = '+'; + + commit = list->item; + if (!get_patch_id(commit, &patch_id_opts, sha1) && + lookup_object(sha1)) + sign = '-'; + + if (verbose) { + static char buf[16384]; + pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0, + buf, sizeof(buf), 0, NULL, NULL, 0); + printf("%c %s %s\n", sign, + sha1_to_hex(commit->object.sha1), buf); + } + else { + printf("%c %s\n", sign, + sha1_to_hex(commit->object.sha1)); + } + + list = list->next; + } + + return 0; +} diff --git a/builtin-name-rev.c b/builtin-name-rev.c index 52886b69b0..618aa314d2 100644 --- a/builtin-name-rev.c +++ b/builtin-name-rev.c @@ -75,11 +75,10 @@ copy_data: } } -static int tags_only; - -static int name_ref(const char *path, const unsigned char *sha1) +static int name_ref(const char *path, const unsigned char *sha1, int flags, void *cb_data) { struct object *o = parse_object(sha1); + int tags_only = *(int*)cb_data; int deref = 0; if (tags_only && strncmp(path, "refs/tags/", 10)) @@ -131,6 +130,7 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) { struct object_array revs = { 0, 0, NULL }; int as_is = 0, all = 0, transform_stdin = 0; + int tags_only = 0; git_config(git_default_config); @@ -186,7 +186,7 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) add_object_array((struct object *)commit, *argv, &revs); } - for_each_ref(name_ref); + for_each_ref(name_ref, &tags_only); if (transform_stdin) { char buffer[2048]; diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c index 41e1e74533..270bcbded6 100644 --- a/builtin-pack-objects.c +++ b/builtin-pack-objects.c @@ -15,7 +15,7 @@ #include <sys/time.h> #include <signal.h> -static const char pack_usage[] = "git-pack-objects [-q] [--no-reuse-delta] [--delta-base-offset] [--non-empty] [--local] [--incremental] [--window=N] [--depth=N] [--revs [--unpacked | --all]*] [--stdout | base-name] <ref-list | <object-list]"; +static const char pack_usage[] = "git-pack-objects [-q] [--no-reuse-delta] [--delta-base-offset] [--non-empty] [--local] [--incremental] [--window=N] [--depth=N] [--all-progress] [--revs [--unpacked | --all]*] [--stdout | base-name] <ref-list | <object-list]"; struct object_entry { unsigned char sha1[20]; @@ -475,15 +475,15 @@ static void write_pack_file(void) unsigned long offset; struct pack_header hdr; unsigned last_percent = 999; - int do_progress = 0; + int do_progress = progress; - if (!base_name) + if (!base_name) { f = sha1fd(1, "<stdout>"); - else { + do_progress >>= 1; + } + else f = sha1create("%s-%s.%s", base_name, sha1_to_hex(object_list_sha1), "pack"); - do_progress = progress; - } if (do_progress) fprintf(stderr, "Writing %d objects.\n", nr_result); @@ -1524,6 +1524,10 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) progress = 1; continue; } + if (!strcmp("--all-progress", arg)) { + progress = 2; + continue; + } if (!strcmp("--incremental", arg)) { incremental = 1; continue; @@ -1641,7 +1645,7 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) else { if (nr_result) prepare_pack(window, depth); - if (progress && pack_to_stdout) { + if (progress == 1 && pack_to_stdout) { /* the other end usually displays progress itself */ struct itimerval v = {{0,},}; setitimer(ITIMER_REAL, &v, NULL); diff --git a/builtin-pack-refs.c b/builtin-pack-refs.c new file mode 100644 index 0000000000..042d2718f9 --- /dev/null +++ b/builtin-pack-refs.c @@ -0,0 +1,107 @@ +#include "cache.h" +#include "refs.h" + +static const char builtin_pack_refs_usage[] = +"git-pack-refs [--all] [--prune]"; + +struct ref_to_prune { + struct ref_to_prune *next; + unsigned char sha1[20]; + char name[FLEX_ARRAY]; +}; + +struct pack_refs_cb_data { + int prune; + int all; + struct ref_to_prune *ref_to_prune; + FILE *refs_file; +}; + +static int do_not_prune(int flags) +{ + /* If it is already packed or if it is a symref, + * do not prune it. + */ + return (flags & (REF_ISSYMREF|REF_ISPACKED)); +} + +static int handle_one_ref(const char *path, const unsigned char *sha1, + int flags, void *cb_data) +{ + struct pack_refs_cb_data *cb = cb_data; + + if (!cb->all && strncmp(path, "refs/tags/", 10)) + return 0; + /* Do not pack the symbolic refs */ + if (!(flags & REF_ISSYMREF)) + fprintf(cb->refs_file, "%s %s\n", sha1_to_hex(sha1), path); + if (cb->prune && !do_not_prune(flags)) { + int namelen = strlen(path) + 1; + struct ref_to_prune *n = xcalloc(1, sizeof(*n) + namelen); + hashcpy(n->sha1, sha1); + strcpy(n->name, path); + n->next = cb->ref_to_prune; + cb->ref_to_prune = n; + } + return 0; +} + +/* make sure nobody touched the ref, and unlink */ +static void prune_ref(struct ref_to_prune *r) +{ + struct ref_lock *lock = lock_ref_sha1(r->name + 5, r->sha1); + + if (lock) { + unlink(git_path("%s", r->name)); + unlock_ref(lock); + } +} + +static void prune_refs(struct ref_to_prune *r) +{ + while (r) { + prune_ref(r); + r = r->next; + } +} + +static struct lock_file packed; + +int cmd_pack_refs(int argc, const char **argv, const char *prefix) +{ + int fd, i; + struct pack_refs_cb_data cbdata; + + memset(&cbdata, 0, sizeof(cbdata)); + + for (i = 1; i < argc; i++) { + const char *arg = argv[i]; + if (!strcmp(arg, "--prune")) { + cbdata.prune = 1; + continue; + } + if (!strcmp(arg, "--all")) { + cbdata.all = 1; + continue; + } + /* perhaps other parameters later... */ + break; + } + if (i != argc) + usage(builtin_pack_refs_usage); + + fd = hold_lock_file_for_update(&packed, git_path("packed-refs"), 1); + cbdata.refs_file = fdopen(fd, "w"); + if (!cbdata.refs_file) + die("unable to create ref-pack file structure (%s)", + strerror(errno)); + for_each_ref(handle_one_ref, &cbdata); + fflush(cbdata.refs_file); + fsync(fd); + fclose(cbdata.refs_file); + if (commit_lock_file(&packed) < 0) + die("unable to overwrite old ref-pack file (%s)", strerror(errno)); + if (cbdata.prune) + prune_refs(cbdata.ref_to_prune); + return 0; +} diff --git a/builtin-prune.c b/builtin-prune.c index 7290e6d9aa..d853902c51 100644 --- a/builtin-prune.c +++ b/builtin-prune.c @@ -174,7 +174,7 @@ static void walk_commit_list(struct rev_info *revs) } } -static int add_one_ref(const char *path, const unsigned char *sha1) +static int add_one_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data) { struct object *object = parse_object(sha1); if (!object) @@ -240,7 +240,7 @@ int cmd_prune(int argc, const char **argv, const char *prefix) revs.tree_objects = 1; /* Add all external refs */ - for_each_ref(add_one_ref); + for_each_ref(add_one_ref, NULL); /* Add all refs from the index file */ add_cache_refs(); diff --git a/builtin-push.c b/builtin-push.c index f5150ed82d..d23974e708 100644 --- a/builtin-push.c +++ b/builtin-push.c @@ -10,7 +10,7 @@ static const char push_usage[] = "git-push [--all] [--tags] [-f | --force] <repository> [<refspec>...]"; -static int all, tags, force, thin = 1; +static int all, tags, force, thin = 1, verbose; static const char *execute; #define BUF_SIZE (2084) @@ -27,7 +27,7 @@ static void add_refspec(const char *ref) refspec_nr = nr; } -static int expand_one_ref(const char *ref, const unsigned char *sha1) +static int expand_one_ref(const char *ref, const unsigned char *sha1, int flag, void *cb_data) { /* Ignore the "refs/" at the beginning of the refname */ ref += 5; @@ -51,7 +51,7 @@ static void expand_refspecs(void) } if (!tags) return; - for_each_ref(expand_one_ref); + for_each_ref(expand_one_ref, NULL); } static void set_refspecs(const char **refs, int nr) @@ -248,6 +248,8 @@ static int do_push(const char *repo) while (dest_refspec_nr--) argv[dest_argc++] = *dest_refspec++; argv[dest_argc] = NULL; + if (verbose) + fprintf(stderr, "Pushing to %s\n", dest); err = run_command_v(argc, argv); if (!err) continue; @@ -281,6 +283,14 @@ int cmd_push(int argc, const char **argv, const char *prefix) i++; break; } + if (!strcmp(arg, "-v")) { + verbose=1; + continue; + } + if (!strncmp(arg, "--repo=", 7)) { + repo = arg+7; + continue; + } if (!strcmp(arg, "--all")) { all = 1; continue; diff --git a/builtin-repo-config.c b/builtin-repo-config.c index f60cee1dc5..7b6e5725ae 100644 --- a/builtin-repo-config.c +++ b/builtin-repo-config.c @@ -3,7 +3,7 @@ #include <regex.h> static const char git_config_set_usage[] = -"git-repo-config [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --unset | --unset-all] name [value [value_regex]] | --list"; +"git-repo-config [ --global ] [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --unset | --unset-all] name [value [value_regex]] | --list"; static char *key; static regex_t *key_regexp; @@ -139,7 +139,16 @@ int cmd_repo_config(int argc, const char **argv, const char *prefix) type = T_BOOL; else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) return git_config(show_all_config); - else + else if (!strcmp(argv[1], "--global")) { + char *home = getenv("HOME"); + if (home) { + char *user_config = xstrdup(mkpath("%s/.gitconfig", home)); + setenv("GIT_CONFIG", user_config, 1); + free(user_config); + } else { + die("$HOME not set"); + } + } else break; argc--; argv++; diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c index fd3ccc8546..3b716fba13 100644 --- a/builtin-rev-parse.c +++ b/builtin-rev-parse.c @@ -137,7 +137,7 @@ static void show_default(void) } } -static int show_reference(const char *refname, const unsigned char *sha1) +static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { show_rev(NORMAL, sha1, refname); return 0; @@ -299,19 +299,19 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) continue; } if (!strcmp(arg, "--all")) { - for_each_ref(show_reference); + for_each_ref(show_reference, NULL); continue; } if (!strcmp(arg, "--branches")) { - for_each_branch_ref(show_reference); + for_each_branch_ref(show_reference, NULL); continue; } if (!strcmp(arg, "--tags")) { - for_each_tag_ref(show_reference); + for_each_tag_ref(show_reference, NULL); continue; } if (!strcmp(arg, "--remotes")) { - for_each_remote_ref(show_reference); + for_each_remote_ref(show_reference, NULL); continue; } if (!strcmp(arg, "--show-prefix")) { diff --git a/builtin-show-branch.c b/builtin-show-branch.c index 578c9fafd0..fb1a4000d9 100644 --- a/builtin-show-branch.c +++ b/builtin-show-branch.c @@ -346,7 +346,7 @@ static void sort_ref_range(int bottom, int top) compare_ref_name); } -static int append_ref(const char *refname, const unsigned char *sha1) +static int append_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { struct commit *commit = lookup_commit_reference_gently(sha1, 1); int i; @@ -369,7 +369,7 @@ static int append_ref(const char *refname, const unsigned char *sha1) return 0; } -static int append_head_ref(const char *refname, const unsigned char *sha1) +static int append_head_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { unsigned char tmp[20]; int ofs = 11; @@ -380,14 +380,14 @@ static int append_head_ref(const char *refname, const unsigned char *sha1) */ if (get_sha1(refname + ofs, tmp) || hashcmp(tmp, sha1)) ofs = 5; - return append_ref(refname + ofs, sha1); + return append_ref(refname + ofs, sha1, flag, cb_data); } -static int append_tag_ref(const char *refname, const unsigned char *sha1) +static int append_tag_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { if (strncmp(refname, "refs/tags/", 10)) return 0; - return append_ref(refname + 5, sha1); + return append_ref(refname + 5, sha1, flag, cb_data); } static const char *match_ref_pattern = NULL; @@ -401,7 +401,7 @@ static int count_slash(const char *s) return cnt; } -static int append_matching_ref(const char *refname, const unsigned char *sha1) +static int append_matching_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { /* we want to allow pattern hold/<asterisk> to show all * branches under refs/heads/hold/, and v0.99.9? to show @@ -417,41 +417,39 @@ static int append_matching_ref(const char *refname, const unsigned char *sha1) if (fnmatch(match_ref_pattern, tail, 0)) return 0; if (!strncmp("refs/heads/", refname, 11)) - return append_head_ref(refname, sha1); + return append_head_ref(refname, sha1, flag, cb_data); if (!strncmp("refs/tags/", refname, 10)) - return append_tag_ref(refname, sha1); - return append_ref(refname, sha1); + return append_tag_ref(refname, sha1, flag, cb_data); + return append_ref(refname, sha1, flag, cb_data); } static void snarf_refs(int head, int tag) { if (head) { int orig_cnt = ref_name_cnt; - for_each_ref(append_head_ref); + for_each_ref(append_head_ref, NULL); sort_ref_range(orig_cnt, ref_name_cnt); } if (tag) { int orig_cnt = ref_name_cnt; - for_each_ref(append_tag_ref); + for_each_ref(append_tag_ref, NULL); sort_ref_range(orig_cnt, ref_name_cnt); } } -static int rev_is_head(char *head_path, int headlen, char *name, +static int rev_is_head(char *head, int headlen, char *name, unsigned char *head_sha1, unsigned char *sha1) { - int namelen; - if ((!head_path[0]) || + if ((!head[0]) || (head_sha1 && sha1 && hashcmp(head_sha1, sha1))) return 0; - namelen = strlen(name); - if ((headlen < namelen) || - memcmp(head_path + headlen - namelen, name, namelen)) - return 0; - if (headlen == namelen || - head_path[headlen - namelen - 1] == '/') - return 1; - return 0; + if (!strncmp(head, "refs/heads/", 11)) + head += 11; + if (!strncmp(name, "refs/heads/", 11)) + name += 11; + else if (!strncmp(name, "heads/", 6)) + name += 6; + return !strcmp(head, name); } static int show_merge_base(struct commit_list *seen, int num_rev) @@ -495,7 +493,7 @@ static void append_one_rev(const char *av) { unsigned char revkey[20]; if (!get_sha1(av, revkey)) { - append_ref(av, revkey); + append_ref(av, revkey, 0, NULL); return; } if (strchr(av, '*') || strchr(av, '?') || strchr(av, '[')) { @@ -503,7 +501,7 @@ static void append_one_rev(const char *av) int saved_matches = ref_name_cnt; match_ref_pattern = av; match_ref_slash = count_slash(av); - for_each_ref(append_matching_ref); + for_each_ref(append_matching_ref, NULL); if (saved_matches == ref_name_cnt && ref_name_cnt < MAX_REVS) error("no matching refs with %s", av); @@ -559,9 +557,9 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) int all_heads = 0, all_tags = 0; int all_mask, all_revs; int lifo = 1; - char head_path[128]; - const char *head_path_p; - int head_path_len; + char head[128]; + const char *head_p; + int head_len; unsigned char head_sha1[20]; int merge_base = 0; int independent = 0; @@ -638,31 +636,31 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) ac--; av++; } - head_path_p = resolve_ref(git_path("HEAD"), head_sha1, 1); - if (head_path_p) { - head_path_len = strlen(head_path_p); - memcpy(head_path, head_path_p, head_path_len + 1); + head_p = resolve_ref("HEAD", head_sha1, 1, NULL); + if (head_p) { + head_len = strlen(head_p); + memcpy(head, head_p, head_len + 1); } else { - head_path_len = 0; - head_path[0] = 0; + head_len = 0; + head[0] = 0; } - if (with_current_branch && head_path_p) { + if (with_current_branch && head_p) { int has_head = 0; for (i = 0; !has_head && i < ref_name_cnt; i++) { /* We are only interested in adding the branch * HEAD points at. */ - if (rev_is_head(head_path, - head_path_len, + if (rev_is_head(head, + head_len, ref_name[i], head_sha1, NULL)) has_head++; } if (!has_head) { - int pfxlen = strlen(git_path("refs/heads/")); - append_one_rev(head_path + pfxlen); + int pfxlen = strlen("refs/heads/"); + append_one_rev(head + pfxlen); } } @@ -713,8 +711,8 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) if (1 < num_rev || extra < 0) { for (i = 0; i < num_rev; i++) { int j; - int is_head = rev_is_head(head_path, - head_path_len, + int is_head = rev_is_head(head, + head_len, ref_name[i], head_sha1, rev[i]->object.sha1); diff --git a/builtin-show-ref.c b/builtin-show-ref.c new file mode 100644 index 0000000000..06ec400d7f --- /dev/null +++ b/builtin-show-ref.c @@ -0,0 +1,147 @@ +#include "cache.h" +#include "refs.h" +#include "object.h" +#include "tag.h" + +static const char show_ref_usage[] = "git show-ref [-q|--quiet] [--verify] [-h|--head] [-d|--dereference] [-s|--hash[=<length>]] [--abbrev[=<length>]] [--tags] [--heads] [--] [pattern*]"; + +static int deref_tags = 0, show_head = 0, tags_only = 0, heads_only = 0, + found_match = 0, verify = 0, quiet = 0, hash_only = 0, abbrev = 0; +static const char **pattern; + +static int show_ref(const char *refname, const unsigned char *sha1, int flag, void *cbdata) +{ + struct object *obj; + const char *hex; + + if (tags_only || heads_only) { + int match; + + match = heads_only && !strncmp(refname, "refs/heads/", 11); + match |= tags_only && !strncmp(refname, "refs/tags/", 10); + if (!match) + return 0; + } + if (pattern) { + int reflen = strlen(refname); + const char **p = pattern, *m; + while ((m = *p++) != NULL) { + int len = strlen(m); + if (len > reflen) + continue; + if (memcmp(m, refname + reflen - len, len)) + continue; + if (len == reflen) + goto match; + /* "--verify" requires an exact match */ + if (verify) + continue; + if (refname[reflen - len - 1] == '/') + goto match; + } + return 0; + } + +match: + found_match++; + obj = parse_object(sha1); + if (!obj) { + if (quiet) + return 0; + die("git-show-ref: bad ref %s (%s)", refname, sha1_to_hex(sha1)); + } + if (quiet) + return 0; + + hex = find_unique_abbrev(sha1, abbrev); + if (hash_only) + printf("%s\n", hex); + else + printf("%s %s\n", hex, refname); + if (deref_tags && obj->type == OBJ_TAG) { + obj = deref_tag(obj, refname, 0); + hex = find_unique_abbrev(obj->sha1, abbrev); + printf("%s %s^{}\n", hex, refname); + } + return 0; +} + +int cmd_show_ref(int argc, const char **argv, const char *prefix) +{ + int i; + + for (i = 1; i < argc; i++) { + const char *arg = argv[i]; + if (*arg != '-') { + pattern = argv + i; + break; + } + if (!strcmp(arg, "--")) { + pattern = argv + i + 1; + if (!*pattern) + pattern = NULL; + break; + } + if (!strcmp(arg, "-q") || !strcmp(arg, "--quiet")) { + quiet = 1; + continue; + } + if (!strcmp(arg, "-h") || !strcmp(arg, "--head")) { + show_head = 1; + continue; + } + if (!strcmp(arg, "-d") || !strcmp(arg, "--dereference")) { + deref_tags = 1; + continue; + } + if (!strcmp(arg, "-s") || !strcmp(arg, "--hash")) { + hash_only = 1; + continue; + } + if (!strncmp(arg, "--hash=", 7) || + (!strncmp(arg, "--abbrev", 8) && + (arg[8] == '=' || arg[8] == '\0'))) { + if (arg[3] != 'h' && !arg[8]) + /* --abbrev only */ + abbrev = DEFAULT_ABBREV; + else { + /* --hash= or --abbrev= */ + char *end; + if (arg[3] == 'h') { + hash_only = 1; + arg += 7; + } + else + arg += 9; + abbrev = strtoul(arg, &end, 10); + if (*end || abbrev > 40) + usage(show_ref_usage); + if (abbrev < MINIMUM_ABBREV) + abbrev = MINIMUM_ABBREV; + } + continue; + } + if (!strcmp(arg, "--verify")) { + verify = 1; + continue; + } + if (!strcmp(arg, "--tags")) { + tags_only = 1; + continue; + } + if (!strcmp(arg, "--heads")) { + heads_only = 1; + continue; + } + usage(show_ref_usage); + } + if (show_head) + head_ref(show_ref, NULL); + for_each_ref(show_ref, NULL); + if (!found_match) { + if (verify && !quiet) + die("No match"); + return 1; + } + return 0; +} diff --git a/builtin-symbolic-ref.c b/builtin-symbolic-ref.c index 1d3a5e229a..d8be0527f4 100644 --- a/builtin-symbolic-ref.c +++ b/builtin-symbolic-ref.c @@ -1,5 +1,6 @@ #include "builtin.h" #include "cache.h" +#include "refs.h" static const char git_symbolic_ref_usage[] = "git-symbolic-ref name [ref]"; @@ -7,15 +8,14 @@ static const char git_symbolic_ref_usage[] = static void check_symref(const char *HEAD) { unsigned char sha1[20]; - const char *git_HEAD = xstrdup(git_path("%s", HEAD)); - const char *git_refs_heads_master = resolve_ref(git_HEAD, sha1, 0); - if (git_refs_heads_master) { - /* we want to strip the .git/ part */ - int pfxlen = strlen(git_HEAD) - strlen(HEAD); - puts(git_refs_heads_master + pfxlen); - } - else + int flag; + const char *refs_heads_master = resolve_ref(HEAD, sha1, 0, &flag); + + if (!refs_heads_master) die("No such ref: %s", HEAD); + else if (!(flag & REF_ISSYMREF)) + die("ref %s is not a symbolic ref", HEAD); + puts(refs_heads_master); } int cmd_symbolic_ref(int argc, const char **argv, const char *prefix) @@ -26,7 +26,7 @@ int cmd_symbolic_ref(int argc, const char **argv, const char *prefix) check_symref(argv[1]); break; case 3: - create_symref(xstrdup(git_path("%s", argv[1])), argv[2]); + create_symref(argv[1], argv[2]); break; default: usage(git_symbolic_ref_usage); diff --git a/builtin-unpack-objects.c b/builtin-unpack-objects.c index e70a71163d..e6d7574844 100644 --- a/builtin-unpack-objects.c +++ b/builtin-unpack-objects.c @@ -22,7 +22,7 @@ static SHA_CTX ctx; * Make sure at least "min" bytes are available in the buffer, and * return the pointer to the buffer. */ -static void * fill(int min) +static void *fill(int min) { if (min <= len) return buffer + offset; @@ -30,7 +30,7 @@ static void * fill(int min) die("cannot fill %d bytes", min); if (offset) { SHA1_Update(&ctx, buffer, offset); - memcpy(buffer, buffer + offset, len); + memmove(buffer, buffer + offset, len); offset = 0; } do { @@ -371,6 +371,21 @@ int cmd_unpack_objects(int argc, const char **argv, const char *prefix) recover = 1; continue; } + if (!strncmp(arg, "--pack_header=", 14)) { + struct pack_header *hdr; + char *c; + + hdr = (struct pack_header *)buffer; + hdr->hdr_signature = htonl(PACK_SIGNATURE); + hdr->hdr_version = htonl(strtoul(arg + 14, &c, 10)); + if (*c != ',') + die("bad %s", arg); + hdr->hdr_entries = htonl(strtoul(c + 1, &c, 10)); + if (*c) + die("bad %s", arg); + len = sizeof(*hdr); + continue; + } usage(unpack_usage); } diff --git a/builtin-update-index.c b/builtin-update-index.c index a3c0a455ae..7f9c638466 100644 --- a/builtin-update-index.c +++ b/builtin-update-index.c @@ -406,9 +406,9 @@ static int unresolve_one(const char *path) static void read_head_pointers(void) { - if (read_ref(git_path("HEAD"), head_sha1)) + if (read_ref("HEAD", head_sha1)) die("No HEAD -- no initial commit yet?\n"); - if (read_ref(git_path("MERGE_HEAD"), merge_head_sha1)) { + if (read_ref("MERGE_HEAD", merge_head_sha1)) { fprintf(stderr, "Not in the middle of a merge.\n"); exit(0); } @@ -445,7 +445,7 @@ static int do_reupdate(int ac, const char **av, int has_head = 1; const char **pathspec = get_pathspec(prefix, av + 1); - if (read_ref(git_path("HEAD"), head_sha1)) + if (read_ref("HEAD", head_sha1)) /* If there is no HEAD, that means it is an initial * commit. Update everything in the index. */ diff --git a/builtin-update-ref.c b/builtin-update-ref.c index 90a3da53ad..b34e5987dd 100644 --- a/builtin-update-ref.c +++ b/builtin-update-ref.c @@ -3,15 +3,16 @@ #include "builtin.h" static const char git_update_ref_usage[] = -"git-update-ref <refname> <value> [<oldval>] [-m <reason>]"; +"git-update-ref [-m <reason>] (-d <refname> <value> | <refname> <value> [<oldval>])"; int cmd_update_ref(int argc, const char **argv, const char *prefix) { const char *refname=NULL, *value=NULL, *oldval=NULL, *msg=NULL; struct ref_lock *lock; unsigned char sha1[20], oldsha1[20]; - int i; + int i, delete; + delete = 0; setup_ident(); git_config(git_default_config); @@ -26,6 +27,10 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix) die("Refusing to perform update with \\n in message."); continue; } + if (!strcmp("-d", argv[i])) { + delete = 1; + continue; + } if (!refname) { refname = argv[i]; continue; @@ -44,11 +49,18 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix) if (get_sha1(value, sha1)) die("%s: not a valid SHA1", value); + + if (delete) { + if (oldval) + usage(git_update_ref_usage); + return delete_ref(refname, sha1); + } + hashclr(oldsha1); - if (oldval && get_sha1(oldval, oldsha1)) + if (oldval && *oldval && get_sha1(oldval, oldsha1)) die("%s: not a valid old SHA1", oldval); - lock = lock_any_ref_for_update(refname, oldval ? oldsha1 : NULL, 0); + lock = lock_any_ref_for_update(refname, oldval ? oldsha1 : NULL); if (!lock) return 1; if (write_ref_sha1(lock, sha1, msg) < 0) @@ -17,9 +17,11 @@ extern int cmd_add(int argc, const char **argv, const char *prefix); extern int cmd_annotate(int argc, const char **argv, const char *prefix); extern int cmd_apply(int argc, const char **argv, const char *prefix); extern int cmd_archive(int argc, const char **argv, const char *prefix); +extern int cmd_branch(int argc, const char **argv, const char *prefix); extern int cmd_cat_file(int argc, const char **argv, const char *prefix); extern int cmd_checkout_index(int argc, const char **argv, const char *prefix); extern int cmd_check_ref_format(int argc, const char **argv, const char *prefix); +extern int cmd_cherry(int argc, const char **argv, const char *prefix); extern int cmd_commit_tree(int argc, const char **argv, const char *prefix); extern int cmd_count_objects(int argc, const char **argv, const char *prefix); extern int cmd_diff_files(int argc, const char **argv, const char *prefix); @@ -65,5 +67,7 @@ extern int cmd_version(int argc, const char **argv, const char *prefix); extern int cmd_whatchanged(int argc, const char **argv, const char *prefix); extern int cmd_write_tree(int argc, const char **argv, const char *prefix); extern int cmd_verify_pack(int argc, const char **argv, const char *prefix); +extern int cmd_show_ref(int argc, const char **argv, const char *prefix); +extern int cmd_pack_refs(int argc, const char **argv, const char *prefix); #endif diff --git a/cache-tree.c b/cache-tree.c index d388848dd2..a80326289d 100644 --- a/cache-tree.c +++ b/cache-tree.c @@ -2,7 +2,9 @@ #include "tree.h" #include "cache-tree.h" +#ifndef DEBUG #define DEBUG 0 +#endif struct cache_tree *cache_tree(void) { @@ -179,6 +179,7 @@ struct lock_file { extern int hold_lock_file_for_update(struct lock_file *, const char *path, int); extern int commit_lock_file(struct lock_file *); extern void rollback_lock_file(struct lock_file *); +extern int delete_ref(const char *, unsigned char *sha1); /* Environment bits from configuration mechanism */ extern int use_legacy_headers; @@ -188,7 +189,6 @@ extern int prefer_symlink_refs; extern int log_all_ref_updates; extern int warn_ambiguous_refs; extern int shared_repository; -extern int deny_non_fast_forwards; extern const char *apply_default_whitespace; extern int zlib_compression_level; @@ -289,9 +289,9 @@ extern int get_sha1(const char *str, unsigned char *sha1); extern int get_sha1_hex(const char *hex, unsigned char *sha1); extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ extern int read_ref(const char *filename, unsigned char *sha1); -extern const char *resolve_ref(const char *path, unsigned char *sha1, int); -extern int create_symref(const char *git_HEAD, const char *refs_heads_master); -extern int validate_symref(const char *git_HEAD); +extern const char *resolve_ref(const char *path, unsigned char *sha1, int, int *); +extern int create_symref(const char *ref, const char *refs_heads_master); +extern int validate_symref(const char *ref); extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2); @@ -376,6 +376,7 @@ extern struct packed_git *parse_pack_index_file(const unsigned char *sha1, char *idx_path); extern void prepare_packed_git(void); +extern void reprepare_packed_git(void); extern void install_packed_git(struct packed_git *pack); extern struct packed_git *find_sha1_pack(const unsigned char *sha1, @@ -415,10 +416,6 @@ extern int copy_fd(int ifd, int ofd); extern void write_or_die(int fd, const void *buf, size_t count); extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg); -/* Finish off pack transfer receiving end */ -extern int receive_unpack_pack(int fd[2], const char *me, int quiet, int); -extern int receive_keep_pack(int fd[2], const char *me, int quiet, int); - /* pager.c */ extern void setup_pager(void); extern int pager_in_use; diff --git a/check-builtins.sh b/check-builtins.sh new file mode 100755 index 0000000000..d6fe6cf174 --- /dev/null +++ b/check-builtins.sh @@ -0,0 +1,34 @@ +#!/bin/sh + +{ + cat <<\EOF +sayIt: + $(foreach b,$(BUILT_INS),echo XXX $b YYY;) +EOF + cat Makefile +} | +make -f - sayIt 2>/dev/null | +sed -n -e 's/.*XXX \(.*\) YYY.*/\1/p' | +sort | +{ + bad=0 + while read builtin + do + base=`expr "$builtin" : 'git-\(.*\)'` + x=`sed -ne 's/.*{ "'$base'", \(cmd_[^, ]*\).*/'$base' \1/p' git.c` + if test -z "$x" + then + echo "$base is builtin but not listed in git.c command list" + bad=1 + fi + for sfx in sh perl py + do + if test -f "$builtin.$sfx" + then + echo "$base is builtin but $builtin.$sfx still exists" + bad=1 + fi + done + done + exit $bad +} @@ -103,6 +103,11 @@ static char *parse_value(void) } } +static inline int iskeychar(int c) +{ + return isalnum(c) || c == '-'; +} + static int get_value(config_fn_t fn, char *name, unsigned int len) { int c; @@ -113,7 +118,7 @@ static int get_value(config_fn_t fn, char *name, unsigned int len) c = get_next_char(); if (c == EOF) break; - if (!isalnum(c)) + if (!iskeychar(c)) break; name[len++] = tolower(c); if (len >= MAXNAME) @@ -181,7 +186,7 @@ static int get_base_var(char *name) return baselen; if (isspace(c)) return get_extended_base_var(name, baselen, c); - if (!isalnum(c) && c != '.') + if (!iskeychar(c) && c != '.') return -1; if (baselen > MAXNAME / 2) return -1; @@ -573,7 +578,7 @@ int git_config_set_multivar(const char* key, const char* value, dot = 1; /* Leave the extended basename untouched.. */ if (!dot || i > store.baselen) { - if (!isalnum(c) || (i == store.baselen+1 && !isalpha(c))) { + if (!iskeychar(c) || (i == store.baselen+1 && !isalpha(c))) { fprintf(stderr, "invalid key: %s\n", key); free(store.key); ret = 1; diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash index d9cb17d0b2..a43a177160 100755 --- a/contrib/completion/git-completion.bash +++ b/contrib/completion/git-completion.bash @@ -19,15 +19,20 @@ # source ~/.git-completion.sh # +__gitdir () +{ + echo "${__git_dir:-$(git rev-parse --git-dir 2>/dev/null)}" +} + __git_refs () { - local cmd i is_hash=y - if [ -d "$1" ]; then + local cmd i is_hash=y dir="${1:-$(__gitdir)}" + if [ -d "$dir" ]; then cmd=git-peek-remote else cmd=git-ls-remote fi - for i in $($cmd "$1" 2>/dev/null); do + for i in $($cmd "$dir" 2>/dev/null); do case "$is_hash,$i" in y,*) is_hash=n ;; n,*^{}) is_hash=y ;; @@ -40,13 +45,13 @@ __git_refs () __git_refs2 () { - local cmd i is_hash=y - if [ -d "$1" ]; then + local cmd i is_hash=y dir="${1:-$(__gitdir)}" + if [ -d "$dir" ]; then cmd=git-peek-remote else cmd=git-ls-remote fi - for i in $($cmd "$1" 2>/dev/null); do + for i in $($cmd "$dir" 2>/dev/null); do case "$is_hash,$i" in y,*) is_hash=n ;; n,*^{}) is_hash=y ;; @@ -59,25 +64,34 @@ __git_refs2 () __git_remotes () { - local i REVERTGLOB=$(shopt -p nullglob) + local i ngoff IFS=$'\n' d="$(__gitdir)" + shopt -q nullglob || ngoff=1 shopt -s nullglob - for i in .git/remotes/*; do - echo ${i#.git/remotes/} + for i in "$d/remotes"/*; do + echo ${i#$d/remotes/} + done + [ "$ngoff" ] && shopt -u nullglob + for i in $(git --git-dir="$d" repo-config --list); do + case "$i" in + remote.*.url=*) + i="${i#remote.}" + echo "${i/.url=*/}" + ;; + esac done - $REVERTGLOB } __git_complete_file () { - local cur="${COMP_WORDS[COMP_CWORD]}" + local pfx ls ref cur="${COMP_WORDS[COMP_CWORD]}" case "$cur" in ?*:*) - local pfx ls ref="$(echo "$cur" | sed 's,:.*$,,')" - cur="$(echo "$cur" | sed 's,^.*:,,')" + ref="${cur%%:*}" + cur="${cur#*:}" case "$cur" in ?*/*) - pfx="$(echo "$cur" | sed 's,/[^/]*$,,')" - cur="$(echo "$cur" | sed 's,^.*/,,')" + pfx="${cur%/*}" + cur="${cur##*/}" ls="$ref:$pfx" pfx="$pfx/" ;; @@ -86,7 +100,7 @@ __git_complete_file () ;; esac COMPREPLY=($(compgen -P "$pfx" \ - -W "$(git-ls-tree "$ls" \ + -W "$(git --git-dir="$(__gitdir)" ls-tree "$ls" \ | sed '/^100... blob /s,^.* ,, /^040000 tree /{ s,^.* ,, @@ -96,15 +110,40 @@ __git_complete_file () -- "$cur")) ;; *) - COMPREPLY=($(compgen -W "$(__git_refs .)" -- "$cur")) + COMPREPLY=($(compgen -W "$(__git_refs)" -- "$cur")) ;; esac } +__git_aliases () +{ + local i IFS=$'\n' + for i in $(git --git-dir="$(__gitdir)" repo-config --list); do + case "$i" in + alias.*) + i="${i#alias.}" + echo "${i/=*/}" + ;; + esac + done +} + +__git_aliased_command () +{ + local word cmdline=$(git --git-dir="$(__gitdir)" \ + repo-config --get "alias.$1") + for word in $cmdline; do + if [ "${word##-*}" ]; then + echo $word + return + fi + done +} + _git_branch () { local cur="${COMP_WORDS[COMP_CWORD]}" - COMPREPLY=($(compgen -W "-l -f -d -D $(__git_refs .)" -- "$cur")) + COMPREPLY=($(compgen -W "-l -f -d -D $(__git_refs)" -- "$cur")) } _git_cat_file () @@ -126,7 +165,7 @@ _git_cat_file () _git_checkout () { local cur="${COMP_WORDS[COMP_CWORD]}" - COMPREPLY=($(compgen -W "-l -b $(__git_refs .)" -- "$cur")) + COMPREPLY=($(compgen -W "-l -b $(__git_refs)" -- "$cur")) } _git_diff () @@ -137,7 +176,7 @@ _git_diff () _git_diff_tree () { local cur="${COMP_WORDS[COMP_CWORD]}" - COMPREPLY=($(compgen -W "-r -p -M $(__git_refs .)" -- "$cur")) + COMPREPLY=($(compgen -W "-r -p -M $(__git_refs)" -- "$cur")) } _git_fetch () @@ -154,8 +193,8 @@ _git_fetch () *) case "$cur" in *:*) - cur=$(echo "$cur" | sed 's/^.*://') - COMPREPLY=($(compgen -W "$(__git_refs .)" -- "$cur")) + cur="${cur#*:}" + COMPREPLY=($(compgen -W "$(__git_refs)" -- "$cur")) ;; *) local remote @@ -183,15 +222,20 @@ _git_ls_tree () _git_log () { - local cur="${COMP_WORDS[COMP_CWORD]}" + local pfx cur="${COMP_WORDS[COMP_CWORD]}" case "$cur" in + *...*) + pfx="${cur%...*}..." + cur="${cur#*...}" + COMPREPLY=($(compgen -P "$pfx" -W "$(__git_refs)" -- "$cur")) + ;; *..*) - local pfx=$(echo "$cur" | sed 's/\.\..*$/../') - cur=$(echo "$cur" | sed 's/^.*\.\.//') - COMPREPLY=($(compgen -P "$pfx" -W "$(__git_refs .)" -- "$cur")) + pfx="${cur%..*}.." + cur="${cur#*..}" + COMPREPLY=($(compgen -P "$pfx" -W "$(__git_refs)" -- "$cur")) ;; *) - COMPREPLY=($(compgen -W "$(__git_refs .)" -- "$cur")) + COMPREPLY=($(compgen -W "$(__git_refs)" -- "$cur")) ;; esac } @@ -199,7 +243,7 @@ _git_log () _git_merge_base () { local cur="${COMP_WORDS[COMP_CWORD]}" - COMPREPLY=($(compgen -W "$(__git_refs .)" -- "$cur")) + COMPREPLY=($(compgen -W "$(__git_refs)" -- "$cur")) } _git_pull () @@ -243,54 +287,82 @@ _git_push () git-push) remote="${COMP_WORDS[1]}" ;; git) remote="${COMP_WORDS[2]}" ;; esac - cur=$(echo "$cur" | sed 's/^.*://') + cur="${cur#*:}" COMPREPLY=($(compgen -W "$(__git_refs "$remote")" -- "$cur")) ;; *) - COMPREPLY=($(compgen -W "$(__git_refs2 .)" -- "$cur")) + COMPREPLY=($(compgen -W "$(__git_refs2)" -- "$cur")) ;; esac ;; esac } +_git_reset () +{ + local cur="${COMP_WORDS[COMP_CWORD]}" + local opt="--mixed --hard --soft" + COMPREPLY=($(compgen -W "$opt $(__git_refs)" -- "$cur")) +} + _git_show () { local cur="${COMP_WORDS[COMP_CWORD]}" - COMPREPLY=($(compgen -W "$(__git_refs .)" -- "$cur")) + COMPREPLY=($(compgen -W "$(__git_refs)" -- "$cur")) } _git () { - if [ $COMP_CWORD = 1 ]; then + local i c=1 command __git_dir + + while [ $c -lt $COMP_CWORD ]; do + i="${COMP_WORDS[c]}" + case "$i" in + --git-dir=*) __git_dir="${i#--git-dir=}" ;; + --bare) __git_dir="." ;; + --version|--help|-p|--paginate) ;; + *) command="$i"; break ;; + esac + c=$((++c)) + done + + if [ $c -eq $COMP_CWORD -a -z "$command" ]; then COMPREPLY=($(compgen \ - -W "--version $(git help -a|egrep '^ ')" \ + -W "--git-dir= --version \ + $(git help -a|egrep '^ ') \ + $(__git_aliases)" \ -- "${COMP_WORDS[COMP_CWORD]}")) - else - case "${COMP_WORDS[1]}" in - branch) _git_branch ;; - cat-file) _git_cat_file ;; - checkout) _git_checkout ;; - diff) _git_diff ;; - diff-tree) _git_diff_tree ;; - fetch) _git_fetch ;; - log) _git_log ;; - ls-remote) _git_ls_remote ;; - ls-tree) _git_ls_tree ;; - pull) _git_pull ;; - push) _git_push ;; - show) _git_show ;; - show-branch) _git_log ;; - whatchanged) _git_log ;; - *) COMPREPLY=() ;; - esac + return; fi + + local expansion=$(__git_aliased_command "$command") + [ "$expansion" ] && command="$expansion" + + case "$command" in + branch) _git_branch ;; + cat-file) _git_cat_file ;; + checkout) _git_checkout ;; + diff) _git_diff ;; + diff-tree) _git_diff_tree ;; + fetch) _git_fetch ;; + log) _git_log ;; + ls-remote) _git_ls_remote ;; + ls-tree) _git_ls_tree ;; + merge-base) _git_merge_base ;; + pull) _git_pull ;; + push) _git_push ;; + reset) _git_reset ;; + show) _git_show ;; + show-branch) _git_log ;; + whatchanged) _git_log ;; + *) COMPREPLY=() ;; + esac } _gitk () { local cur="${COMP_WORDS[COMP_CWORD]}" - COMPREPLY=($(compgen -W "--all $(__git_refs .)" -- "$cur")) + COMPREPLY=($(compgen -W "--all $(__git_refs)" -- "$cur")) } complete -o default -o nospace -F _git git @@ -307,13 +379,18 @@ complete -o default -o nospace -F _git_ls_tree git-ls-tree complete -o default -F _git_merge_base git-merge-base complete -o default -o nospace -F _git_pull git-pull complete -o default -o nospace -F _git_push git-push +complete -o default -F _git_reset git-reset complete -o default -F _git_show git-show +complete -o default -o nospace -F _git_log git-show-branch complete -o default -o nospace -F _git_log git-whatchanged # The following are necessary only for Cygwin, and only are needed # when the user has tab-completed the executable name and consequently # included the '.exe' suffix. # +if [ Cygwin = "$(uname -o 2>/dev/null)" ]; then +complete -o default -o nospace -F _git git.exe +complete -o default -F _git_branch git-branch.exe complete -o default -o nospace -F _git_cat_file git-cat-file.exe complete -o default -o nospace -F _git_diff git-diff.exe complete -o default -o nospace -F _git_diff_tree git-diff-tree.exe @@ -321,4 +398,6 @@ complete -o default -o nospace -F _git_log git-log.exe complete -o default -o nospace -F _git_ls_tree git-ls-tree.exe complete -o default -F _git_merge_base git-merge-base.exe complete -o default -o nospace -F _git_push git-push.exe +complete -o default -o nospace -F _git_log git-show-branch.exe complete -o default -o nospace -F _git_log git-whatchanged.exe +fi diff --git a/contrib/emacs/git.el b/contrib/emacs/git.el index 5354cd67b3..972c402ea0 100644 --- a/contrib/emacs/git.el +++ b/contrib/emacs/git.el @@ -589,6 +589,7 @@ and returns the process output as a string." (let ((commit (git-commit-tree buffer tree head))) (git-update-ref "HEAD" commit head) (condition-case nil (delete-file ".git/MERGE_HEAD") (error nil)) + (condition-case nil (delete-file ".git/MERGE_MSG") (error nil)) (with-current-buffer buffer (erase-buffer)) (git-set-files-state files 'uptodate) (when (file-directory-p ".git/rr-cache") @@ -670,6 +671,32 @@ and returns the process output as a string." (unless git-status (error "Not in git-status buffer.")) (ewoc-goto-prev git-status n)) +(defun git-next-unmerged-file (&optional n) + "Move the selection down N unmerged files." + (interactive "p") + (unless git-status (error "Not in git-status buffer.")) + (let* ((last (ewoc-locate git-status)) + (node (ewoc-next git-status last))) + (while (and node (> n 0)) + (when (eq 'unmerged (git-fileinfo->state (ewoc-data node))) + (setq n (1- n)) + (setq last node)) + (setq node (ewoc-next git-status node))) + (ewoc-goto-node git-status last))) + +(defun git-prev-unmerged-file (&optional n) + "Move the selection up N unmerged files." + (interactive "p") + (unless git-status (error "Not in git-status buffer.")) + (let* ((last (ewoc-locate git-status)) + (node (ewoc-prev git-status last))) + (while (and node (> n 0)) + (when (eq 'unmerged (git-fileinfo->state (ewoc-data node))) + (setq n (1- n)) + (setq last node)) + (setq node (ewoc-prev git-status node))) + (ewoc-goto-node git-status last))) + (defun git-add-file () "Add marked file(s) to the index cache." (interactive) @@ -862,7 +889,7 @@ and returns the process output as a string." 'face 'git-header-face) (propertize git-log-msg-separator 'face 'git-separator-face) "\n") - (cond ((and merge-heads (file-readable-p ".git/MERGE_MSG")) + (cond ((file-readable-p ".git/MERGE_MSG") (insert-file-contents ".git/MERGE_MSG")) (sign-off (insert (format "\n\nSigned-off-by: %s <%s>\n" @@ -873,7 +900,8 @@ and returns the process output as a string." (2 font-lock-function-name-face)) (,(concat "^\\(" (regexp-quote git-log-msg-separator) "\\)$") (1 font-lock-comment-face))))) - (log-edit #'git-do-commit nil #'git-log-edit-files buffer)))) + (log-edit #'git-do-commit nil #'git-log-edit-files buffer) + (re-search-forward (regexp-quote (concat git-log-msg-separator "\n")) nil t)))) (defun git-find-file () "Visit the current file in its own buffer." @@ -884,6 +912,15 @@ and returns the process output as a string." (when (eq 'unmerged (git-fileinfo->state info)) (smerge-mode)))) +(defun git-find-file-other-window () + "Visit the current file in its own buffer in another window." + (interactive) + (unless git-status (error "Not in git-status buffer.")) + (let ((info (ewoc-data (ewoc-locate git-status)))) + (find-file-other-window (git-fileinfo->name info)) + (when (eq 'unmerged (git-fileinfo->state info)) + (smerge-mode)))) + (defun git-find-file-imerge () "Visit the current file in interactive merge mode." (interactive) @@ -967,7 +1004,10 @@ and returns the process output as a string." (define-key map "m" 'git-mark-file) (define-key map "M" 'git-mark-all) (define-key map "n" 'git-next-file) + (define-key map "N" 'git-next-unmerged-file) + (define-key map "o" 'git-find-file-other-window) (define-key map "p" 'git-prev-file) + (define-key map "P" 'git-prev-unmerged-file) (define-key map "q" 'git-status-quit) (define-key map "r" 'git-remove-file) (define-key map "R" 'git-resolve-file) diff --git a/describe.c b/describe.c index ab192f83ae..f4029ee74e 100644 --- a/describe.c +++ b/describe.c @@ -53,7 +53,7 @@ static void add_to_known_names(const char *path, names = ++idx; } -static int get_name(const char *path, const unsigned char *sha1) +static int get_name(const char *path, const unsigned char *sha1, int flag, void *cb_data) { struct commit *commit = lookup_commit_reference_gently(sha1, 1); struct object *object; @@ -113,7 +113,7 @@ static void describe(const char *arg, int last_one) if (!initialized) { initialized = 1; - for_each_ref(get_name); + for_each_ref(get_name, NULL); qsort(name_array, names, sizeof(*name_array), compare_names); } @@ -102,6 +102,8 @@ extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2, const char *base, struct diff_options *opt); extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const char *base, struct diff_options *opt); +extern int diff_root_tree_sha1(const unsigned char *new, const char *base, + struct diff_options *opt); struct combine_diff_path { struct combine_diff_path *next; diff --git a/environment.c b/environment.c index 63b1d155be..84d870ca4e 100644 --- a/environment.c +++ b/environment.c @@ -20,7 +20,6 @@ int warn_ambiguous_refs = 1; int repository_format_version; char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8"; int shared_repository = PERM_UMASK; -int deny_non_fast_forwards = 0; const char *apply_default_whitespace; int zlib_compression_level = Z_DEFAULT_COMPRESSION; int pager_in_use; diff --git a/fetch-clone.c b/fetch-clone.c deleted file mode 100644 index 76b99afcdb..0000000000 --- a/fetch-clone.c +++ /dev/null @@ -1,276 +0,0 @@ -#include "cache.h" -#include "exec_cmd.h" -#include "pkt-line.h" -#include "sideband.h" -#include <sys/wait.h> -#include <sys/time.h> - -static int finish_pack(const char *pack_tmp_name, const char *me) -{ - int pipe_fd[2]; - pid_t pid; - char idx[PATH_MAX]; - char final[PATH_MAX]; - char hash[41]; - unsigned char sha1[20]; - char *cp; - int err = 0; - - if (pipe(pipe_fd) < 0) - die("%s: unable to set up pipe", me); - - strcpy(idx, pack_tmp_name); /* ".git/objects/pack-XXXXXX" */ - cp = strrchr(idx, '/'); - memcpy(cp, "/pidx", 5); - - pid = fork(); - if (pid < 0) - die("%s: unable to fork off git-index-pack", me); - if (!pid) { - close(0); - dup2(pipe_fd[1], 1); - close(pipe_fd[0]); - close(pipe_fd[1]); - execl_git_cmd("index-pack", "-o", idx, pack_tmp_name, NULL); - error("cannot exec git-index-pack <%s> <%s>", - idx, pack_tmp_name); - exit(1); - } - close(pipe_fd[1]); - if (read(pipe_fd[0], hash, 40) != 40) { - error("%s: unable to read from git-index-pack", me); - err = 1; - } - close(pipe_fd[0]); - - for (;;) { - int status, code; - - if (waitpid(pid, &status, 0) < 0) { - if (errno == EINTR) - continue; - error("waitpid failed (%s)", strerror(errno)); - goto error_die; - } - if (WIFSIGNALED(status)) { - int sig = WTERMSIG(status); - error("git-index-pack died of signal %d", sig); - goto error_die; - } - if (!WIFEXITED(status)) { - error("git-index-pack died of unnatural causes %d", - status); - goto error_die; - } - code = WEXITSTATUS(status); - if (code) { - error("git-index-pack died with error code %d", code); - goto error_die; - } - if (err) - goto error_die; - break; - } - hash[40] = 0; - if (get_sha1_hex(hash, sha1)) { - error("git-index-pack reported nonsense '%s'", hash); - goto error_die; - } - /* Now we have pack in pack_tmp_name[], and - * idx in idx[]; rename them to their final names. - */ - snprintf(final, sizeof(final), - "%s/pack/pack-%s.pack", get_object_directory(), hash); - move_temp_to_file(pack_tmp_name, final); - chmod(final, 0444); - snprintf(final, sizeof(final), - "%s/pack/pack-%s.idx", get_object_directory(), hash); - move_temp_to_file(idx, final); - chmod(final, 0444); - return 0; - - error_die: - unlink(idx); - unlink(pack_tmp_name); - exit(1); -} - -static pid_t setup_sideband(int sideband, const char *me, int fd[2], int xd[2]) -{ - pid_t side_pid; - - if (!sideband) { - fd[0] = xd[0]; - fd[1] = xd[1]; - return 0; - } - /* xd[] is talking with upload-pack; subprocess reads from - * xd[0], spits out band#2 to stderr, and feeds us band#1 - * through our fd[0]. - */ - if (pipe(fd) < 0) - die("%s: unable to set up pipe", me); - side_pid = fork(); - if (side_pid < 0) - die("%s: unable to fork off sideband demultiplexer", me); - if (!side_pid) { - /* subprocess */ - close(fd[0]); - if (xd[0] != xd[1]) - close(xd[1]); - if (recv_sideband(me, xd[0], fd[1], 2)) - exit(1); - exit(0); - } - close(xd[0]); - close(fd[1]); - fd[1] = xd[1]; - return side_pid; -} - -int receive_unpack_pack(int xd[2], const char *me, int quiet, int sideband) -{ - int status; - pid_t pid, side_pid; - int fd[2]; - - side_pid = setup_sideband(sideband, me, fd, xd); - pid = fork(); - if (pid < 0) - die("%s: unable to fork off git-unpack-objects", me); - if (!pid) { - dup2(fd[0], 0); - close(fd[0]); - close(fd[1]); - execl_git_cmd("unpack-objects", quiet ? "-q" : NULL, NULL); - die("git-unpack-objects exec failed"); - } - close(fd[0]); - close(fd[1]); - while (waitpid(pid, &status, 0) < 0) { - if (errno != EINTR) - die("waiting for git-unpack-objects: %s", - strerror(errno)); - } - if (WIFEXITED(status)) { - int code = WEXITSTATUS(status); - if (code) - die("git-unpack-objects died with error code %d", - code); - return 0; - } - if (WIFSIGNALED(status)) { - int sig = WTERMSIG(status); - die("git-unpack-objects died of signal %d", sig); - } - die("git-unpack-objects died of unnatural causes %d", status); -} - -/* - * We average out the download speed over this many "events", where - * an event is a minimum of about half a second. That way, we get - * a reasonably stable number. - */ -#define NR_AVERAGE (4) - -/* - * A "binary msec" is a power-of-two-msec, aka 1/1024th of a second. - * Keeping the time in that format means that "bytes / msecs" means - * the same as kB/s (modulo rounding). - * - * 1000512 is a magic number (usecs in a second, rounded up by half - * of 1024, to make "rounding" come out right ;) - */ -#define usec_to_binarymsec(x) ((int)(x) / (1000512 >> 10)) - -int receive_keep_pack(int xd[2], const char *me, int quiet, int sideband) -{ - char tmpfile[PATH_MAX]; - int ofd, ifd, fd[2]; - unsigned long total; - static struct timeval prev_tv; - struct average { - unsigned long bytes; - unsigned long time; - } download[NR_AVERAGE] = { {0, 0}, }; - unsigned long avg_bytes, avg_time; - int idx = 0; - - setup_sideband(sideband, me, fd, xd); - - ifd = fd[0]; - snprintf(tmpfile, sizeof(tmpfile), - "%s/pack/tmp-XXXXXX", get_object_directory()); - ofd = mkstemp(tmpfile); - if (ofd < 0) - return error("unable to create temporary file %s", tmpfile); - - gettimeofday(&prev_tv, NULL); - total = 0; - avg_bytes = 0; - avg_time = 0; - while (1) { - char buf[8192]; - ssize_t sz, wsz, pos; - sz = read(ifd, buf, sizeof(buf)); - if (sz == 0) - break; - if (sz < 0) { - if (errno != EINTR && errno != EAGAIN) { - error("error reading pack (%s)", strerror(errno)); - close(ofd); - unlink(tmpfile); - return -1; - } - sz = 0; - } - pos = 0; - while (pos < sz) { - wsz = write(ofd, buf + pos, sz - pos); - if (wsz < 0) { - error("error writing pack (%s)", - strerror(errno)); - close(ofd); - unlink(tmpfile); - return -1; - } - pos += wsz; - } - total += sz; - if (!quiet) { - static unsigned long last; - struct timeval tv; - unsigned long diff = total - last; - /* not really "msecs", but a power-of-two millisec (1/1024th of a sec) */ - unsigned long msecs; - - gettimeofday(&tv, NULL); - msecs = tv.tv_sec - prev_tv.tv_sec; - msecs <<= 10; - msecs += usec_to_binarymsec(tv.tv_usec - prev_tv.tv_usec); - - if (msecs > 500) { - prev_tv = tv; - last = total; - - /* Update averages ..*/ - avg_bytes += diff; - avg_time += msecs; - avg_bytes -= download[idx].bytes; - avg_time -= download[idx].time; - download[idx].bytes = diff; - download[idx].time = msecs; - idx++; - if (idx >= NR_AVERAGE) - idx = 0; - - fprintf(stderr, "%4lu.%03luMB (%lu kB/s) \r", - total >> 20, - 1000*((total >> 10) & 1023)>>10, - avg_bytes / avg_time ); - } - } - } - close(ofd); - return finish_pack(tmpfile, me); -} diff --git a/fetch-pack.c b/fetch-pack.c index 474d54520e..0a169dce85 100644 --- a/fetch-pack.c +++ b/fetch-pack.c @@ -3,6 +3,9 @@ #include "pkt-line.h" #include "commit.h" #include "tag.h" +#include "exec_cmd.h" +#include "sideband.h" +#include <sys/wait.h> static int keep_pack; static int quiet; @@ -42,7 +45,7 @@ static void rev_list_push(struct commit *commit, int mark) } } -static int rev_list_insert_ref(const char *path, const unsigned char *sha1) +static int rev_list_insert_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data) { struct object *o = deref_tag(parse_object(sha1), path, 0); @@ -143,7 +146,7 @@ static int find_common(int fd[2], unsigned char *result_sha1, unsigned in_vain = 0; int got_continue = 0; - for_each_ref(rev_list_insert_ref); + for_each_ref(rev_list_insert_ref, NULL); fetching = 0; for ( ; refs ; refs = refs->next) { @@ -254,7 +257,7 @@ done: static struct commit_list *complete; -static int mark_complete(const char *path, const unsigned char *sha1) +static int mark_complete(const char *path, const unsigned char *sha1, int flag, void *cb_data) { struct object *o = parse_object(sha1); @@ -366,7 +369,7 @@ static int everything_local(struct ref **refs, int nr_match, char **match) } } - for_each_ref(mark_complete); + for_each_ref(mark_complete, NULL); if (cutoff) mark_recent_complete_commits(cutoff); @@ -416,6 +419,103 @@ static int everything_local(struct ref **refs, int nr_match, char **match) return retval; } +static pid_t setup_sideband(int fd[2], int xd[2]) +{ + pid_t side_pid; + + if (!use_sideband) { + fd[0] = xd[0]; + fd[1] = xd[1]; + return 0; + } + /* xd[] is talking with upload-pack; subprocess reads from + * xd[0], spits out band#2 to stderr, and feeds us band#1 + * through our fd[0]. + */ + if (pipe(fd) < 0) + die("fetch-pack: unable to set up pipe"); + side_pid = fork(); + if (side_pid < 0) + die("fetch-pack: unable to fork off sideband demultiplexer"); + if (!side_pid) { + /* subprocess */ + close(fd[0]); + if (xd[0] != xd[1]) + close(xd[1]); + if (recv_sideband("fetch-pack", xd[0], fd[1], 2)) + exit(1); + exit(0); + } + close(xd[0]); + close(fd[1]); + fd[1] = xd[1]; + return side_pid; +} + +static int get_pack(int xd[2], const char **argv) +{ + int status; + pid_t pid, side_pid; + int fd[2]; + + side_pid = setup_sideband(fd, xd); + pid = fork(); + if (pid < 0) + die("fetch-pack: unable to fork off %s", argv[0]); + if (!pid) { + dup2(fd[0], 0); + close(fd[0]); + close(fd[1]); + execv_git_cmd(argv); + die("%s exec failed", argv[0]); + } + close(fd[0]); + close(fd[1]); + while (waitpid(pid, &status, 0) < 0) { + if (errno != EINTR) + die("waiting for %s: %s", argv[0], strerror(errno)); + } + if (WIFEXITED(status)) { + int code = WEXITSTATUS(status); + if (code) + die("%s died with error code %d", argv[0], code); + return 0; + } + if (WIFSIGNALED(status)) { + int sig = WTERMSIG(status); + die("%s died of signal %d", argv[0], sig); + } + die("%s died of unnatural causes %d", argv[0], status); +} + +static int explode_rx_pack(int xd[2]) +{ + const char *argv[3] = { "unpack-objects", quiet ? "-q" : NULL, NULL }; + return get_pack(xd, argv); +} + +static int keep_rx_pack(int xd[2]) +{ + const char *argv[6]; + char keep_arg[256]; + int n = 0; + + argv[n++] = "index-pack"; + argv[n++] = "--stdin"; + if (!quiet) + argv[n++] = "-v"; + if (use_thin_pack) + argv[n++] = "--fix-thin"; + if (keep_pack > 1) { + int s = sprintf(keep_arg, "--keep=fetch-pack %i on ", getpid()); + if (gethostname(keep_arg + s, sizeof(keep_arg) - s)) + strcpy(keep_arg + s, "localhost"); + argv[n++] = keep_arg; + } + argv[n] = NULL; + return get_pack(xd, argv); +} + static int fetch_pack(int fd[2], int nr_match, char **match) { struct ref *ref; @@ -447,17 +547,13 @@ static int fetch_pack(int fd[2], int nr_match, char **match) goto all_done; } if (find_common(fd, sha1, ref) < 0) - if (!keep_pack) + if (keep_pack != 1) /* When cloning, it is not unusual to have * no common commit. */ fprintf(stderr, "warning: no common commits\n"); - if (keep_pack) - status = receive_keep_pack(fd, "git-fetch-pack", quiet, use_sideband); - else - status = receive_unpack_pack(fd, "git-fetch-pack", quiet, use_sideband); - + status = (keep_pack) ? keep_rx_pack(fd) : explode_rx_pack(fd); if (status) die("git-fetch-pack: fetch failed."); @@ -494,7 +590,7 @@ int main(int argc, char **argv) continue; } if (!strcmp("--keep", arg) || !strcmp("-k", arg)) { - keep_pack = 1; + keep_pack++; continue; } if (!strcmp("--thin", arg)) { @@ -518,8 +614,6 @@ int main(int argc, char **argv) } if (!dest) usage(fetch_pack_usage); - if (keep_pack) - use_thin_pack = 0; pid = git_connect(fd, dest, exec); if (pid < 0) return 1; @@ -201,7 +201,7 @@ static int interpret_target(char *target, unsigned char *sha1) return -1; } -static int mark_complete(const char *path, const unsigned char *sha1) +static int mark_complete(const char *path, const unsigned char *sha1, int flag, void *cb_data) { struct commit *commit = lookup_commit_reference_gently(sha1, 1); if (commit) { @@ -266,7 +266,7 @@ int pull(int targets, char **target, const char **write_ref, if (!write_ref || !write_ref[i]) continue; - lock[i] = lock_ref_sha1(write_ref[i], NULL, 0); + lock[i] = lock_ref_sha1(write_ref[i], NULL); if (!lock[i]) { error("Can't lock ref %s", write_ref[i]); goto unlock_and_fail; @@ -274,7 +274,7 @@ int pull(int targets, char **target, const char **write_ref, } if (!get_recover) - for_each_ref(mark_complete); + for_each_ref(mark_complete, NULL); for (i = 0; i < targets; i++) { if (interpret_target(target[i], &sha1[20 * i])) { diff --git a/fsck-objects.c b/fsck-objects.c index 4d994f3fc8..46b628cb94 100644 --- a/fsck-objects.c +++ b/fsck-objects.c @@ -402,7 +402,7 @@ static void fsck_dir(int i, char *path) static int default_refs; -static int fsck_handle_ref(const char *refname, const unsigned char *sha1) +static int fsck_handle_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { struct object *obj; @@ -424,7 +424,7 @@ static int fsck_handle_ref(const char *refname, const unsigned char *sha1) static void get_default_heads(void) { - for_each_ref(fsck_handle_ref); + for_each_ref(fsck_handle_ref, NULL); /* * Not having any default heads isn't really fatal, but @@ -458,15 +458,14 @@ static void fsck_object_dir(const char *path) static int fsck_head_link(void) { unsigned char sha1[20]; - const char *git_HEAD = xstrdup(git_path("HEAD")); - const char *git_refs_heads_master = resolve_ref(git_HEAD, sha1, 1); - int pfxlen = strlen(git_HEAD) - 4; /* strip .../.git/ part */ + int flag; + const char *head_points_at = resolve_ref("HEAD", sha1, 1, &flag); - if (!git_refs_heads_master) + if (!head_points_at || !(flag & REF_ISSYMREF)) return error("HEAD is not a symbolic ref"); - if (strncmp(git_refs_heads_master + pfxlen, "refs/heads/", 11)) + if (strncmp(head_points_at, "refs/heads/", 11)) return error("HEAD points to something strange (%s)", - git_refs_heads_master + pfxlen); + head_points_at); if (is_null_sha1(sha1)) return error("HEAD: not a valid git pointer"); return 0; diff --git a/git-branch.sh b/git-branch.sh deleted file mode 100755 index f823c788fd..0000000000 --- a/git-branch.sh +++ /dev/null @@ -1,140 +0,0 @@ -#!/bin/sh - -USAGE='[-l] [-f] <branchname> [<start-point>] | (-d | -D) <branchname> | [-r]' -LONG_USAGE='If no arguments, show available branches and mark current branch with a star. -If one argument, create a new branch <branchname> based off of current HEAD. -If two arguments, create a new branch <branchname> based off of <start-point>.' - -SUBDIRECTORY_OK='Yes' -. git-sh-setup - -headref=$(git-symbolic-ref HEAD | sed -e 's|^refs/heads/||') - -delete_branch () { - option="$1" - shift - for branch_name - do - case ",$headref," in - ",$branch_name,") - die "Cannot delete the branch you are on." ;; - ,,) - die "What branch are you on anyway?" ;; - esac - branch=$(cat "$GIT_DIR/refs/heads/$branch_name") && - branch=$(git-rev-parse --verify "$branch^0") || - die "Seriously, what branch are you talking about?" - case "$option" in - -D) - ;; - *) - mbs=$(git-merge-base -a "$branch" HEAD | tr '\012' ' ') - case " $mbs " in - *' '$branch' '*) - # the merge base of branch and HEAD contains branch -- - # which means that the HEAD contains everything in both. - ;; - *) - echo >&2 "The branch '$branch_name' is not a strict subset of your current HEAD. -If you are sure you want to delete it, run 'git branch -D $branch_name'." - exit 1 - ;; - esac - ;; - esac - rm -f "$GIT_DIR/logs/refs/heads/$branch_name" - rm -f "$GIT_DIR/refs/heads/$branch_name" - echo "Deleted branch $branch_name." - done - exit 0 -} - -ls_remote_branches () { - git-rev-parse --symbolic --all | - sed -ne 's|^refs/\(remotes/\)|\1|p' | - sort -} - -force= -create_log= -while case "$#,$1" in 0,*) break ;; *,-*) ;; *) break ;; esac -do - case "$1" in - -d | -D) - delete_branch "$@" - exit - ;; - -r) - ls_remote_branches - exit - ;; - -f) - force="$1" - ;; - -l) - create_log="yes" - ;; - --) - shift - break - ;; - -*) - usage - ;; - esac - shift -done - -case "$#" in -0) - git-rev-parse --symbolic --branches | - sort | - while read ref - do - if test "$headref" = "$ref" - then - pfx='*' - else - pfx=' ' - fi - echo "$pfx $ref" - done - exit 0 ;; -1) - head=HEAD ;; -2) - head="$2^0" ;; -esac -branchname="$1" - -rev=$(git-rev-parse --verify "$head") || exit - -git-check-ref-format "heads/$branchname" || - die "we do not like '$branchname' as a branch name." - -if [ -d "$GIT_DIR/refs/heads/$branchname" ] -then - for refdir in `cd "$GIT_DIR" && \ - find "refs/heads/$branchname" -type d | sort -r` - do - rmdir "$GIT_DIR/$refdir" || \ - die "Could not delete '$refdir', there may still be a ref there." - done -fi - -if [ -e "$GIT_DIR/refs/heads/$branchname" ] -then - if test '' = "$force" - then - die "$branchname already exists." - elif test "$branchname" = "$headref" - then - die "cannot force-update the current branch." - fi -fi -if test "$create_log" = 'yes' -then - mkdir -p $(dirname "$GIT_DIR/logs/refs/heads/$branchname") - touch "$GIT_DIR/logs/refs/heads/$branchname" -fi -git update-ref -m "branch: Created from $head" "refs/heads/$branchname" $rev diff --git a/git-checkout.sh b/git-checkout.sh index dd477245fb..119bca1ffb 100755 --- a/git-checkout.sh +++ b/git-checkout.sh @@ -22,7 +22,7 @@ while [ "$#" != "0" ]; do shift [ -z "$newbranch" ] && die "git checkout: -b needs a branch name" - [ -e "$GIT_DIR/refs/heads/$newbranch" ] && + git-show-ref --verify --quiet -- "refs/heads/$newbranch" && die "git checkout: branch $newbranch already exists" git-check-ref-format "heads/$newbranch" || die "git checkout: we do not like '$newbranch' as a branch name." @@ -51,7 +51,8 @@ while [ "$#" != "0" ]; do fi new="$rev" new_name="$arg^0" - if [ -f "$GIT_DIR/refs/heads/$arg" ]; then + if git-show-ref --verify --quiet -- "refs/heads/$arg" + then branch="$arg" fi elif rev=$(git-rev-parse --verify "$arg^{tree}" 2>/dev/null) diff --git a/git-cherry.sh b/git-cherry.sh deleted file mode 100755 index cf7af5502c..0000000000 --- a/git-cherry.sh +++ /dev/null @@ -1,91 +0,0 @@ -#!/bin/sh -# -# Copyright (c) 2005 Junio C Hamano. -# - -USAGE='[-v] <upstream> [<head>] [<limit>]' -LONG_USAGE=' __*__*__*__*__> <upstream> - / - fork-point - \__+__+__+__+__+__+__+__> <head> - -Each commit between the fork-point (or <limit> if given) and <head> is -examined, and compared against the change each commit between the -fork-point and <upstream> introduces. If the change seems to be in -the upstream, it is shown on the standard output with prefix "-". -Otherwise it is shown with prefix "+".' -. git-sh-setup - -case "$1" in -v) verbose=t; shift ;; esac - -case "$#,$1" in -1,*..*) - upstream=$(expr "z$1" : 'z\(.*\)\.\.') ours=$(expr "z$1" : '.*\.\.\(.*\)$') - set x "$upstream" "$ours" - shift ;; -esac - -case "$#" in -1) upstream=`git-rev-parse --verify "$1"` && - ours=`git-rev-parse --verify HEAD` || exit - limit="$upstream" - ;; -2) upstream=`git-rev-parse --verify "$1"` && - ours=`git-rev-parse --verify "$2"` || exit - limit="$upstream" - ;; -3) upstream=`git-rev-parse --verify "$1"` && - ours=`git-rev-parse --verify "$2"` && - limit=`git-rev-parse --verify "$3"` || exit - ;; -*) usage ;; -esac - -# Note that these list commits in reverse order; -# not that the order in inup matters... -inup=`git-rev-list ^$ours $upstream` && -ours=`git-rev-list $ours ^$limit` || exit - -tmp=.cherry-tmp$$ -patch=$tmp-patch -mkdir $patch -trap "rm -rf $tmp-*" 0 1 2 3 15 - -for c in $inup -do - git-diff-tree -p $c -done | git-patch-id | -while read id name -do - echo $name >>$patch/$id -done - -LF=' -' - -O= -for c in $ours -do - set x `git-diff-tree -p $c | git-patch-id` - if test "$2" != "" - then - if test -f "$patch/$2" - then - sign=- - else - sign=+ - fi - case "$verbose" in - t) - c=$(git-rev-list --pretty=oneline --max-count=1 $c) - esac - case "$O" in - '') O="$sign $c" ;; - *) O="$sign $c$LF$O" ;; - esac - fi -done -case "$O" in -'') ;; -*) echo "$O" ;; -esac diff --git a/git-commit.sh b/git-commit.sh index 5b1cf85825..81c3a0cb61 100755 --- a/git-commit.sh +++ b/git-commit.sh @@ -441,7 +441,7 @@ then elif test "$use_commit" != "" then git-cat-file commit "$use_commit" | sed -e '1,/^$/d' -elif test -f "$GIT_DIR/MERGE_HEAD" && test -f "$GIT_DIR/MERGE_MSG" +elif test -f "$GIT_DIR/MERGE_MSG" then cat "$GIT_DIR/MERGE_MSG" elif test -f "$GIT_DIR/SQUASH_MSG" @@ -522,15 +522,15 @@ then PARENTS=$(git-cat-file commit HEAD | sed -n -e '/^$/q' -e 's/^parent /-p /p') fi - current=$(git-rev-parse --verify HEAD) + current="$(git-rev-parse --verify HEAD)" else if [ -z "$(git-ls-files)" ]; then echo >&2 Nothing to commit exit 1 fi PARENTS="" - current= rloga='commit (initial)' + current='' fi if test -z "$no_edit" @@ -606,8 +606,8 @@ then fi && commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) && rlogm=$(sed -e 1q "$GIT_DIR"/COMMIT_MSG) && - git-update-ref -m "$rloga: $rlogm" HEAD $commit $current && - rm -f -- "$GIT_DIR/MERGE_HEAD" && + git-update-ref -m "$rloga: $rlogm" HEAD $commit "$current" && + rm -f -- "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/MERGE_MSG" && if test -f "$NEXT_INDEX" then mv "$NEXT_INDEX" "$THIS_INDEX" diff --git a/git-fetch.sh b/git-fetch.sh index 7dc1f33687..7442dd2ca5 100755 --- a/git-fetch.sh +++ b/git-fetch.sh @@ -20,7 +20,7 @@ verbose= update_head_ok= exec= upload_pack= -keep=--thin +keep= while case "$#" in 0) break ;; esac do case "$1" in @@ -51,7 +51,7 @@ do verbose=Yes ;; -k|--k|--ke|--kee|--keep) - keep=--keep + keep='-k -k' ;; --reflog-action=*) rloga=`expr "z$1" : 'z-[^=]*=\(.*\)'` @@ -147,15 +147,15 @@ update_local_ref () { [ "$verbose" ] && echo >&2 " $label_: $newshort_" return 0 fi - oldshort_=$(git-rev-parse --short "$1" 2>/dev/null) - mkdir -p "$(dirname "$GIT_DIR/$1")" + oldshort_=$(git show-ref --hash --abbrev "$1" 2>/dev/null) + case "$1" in refs/tags/*) # Tags need not be pointing at commits so there # is no way to guarantee "fast-forward" anyway. - if test -f "$GIT_DIR/$1" + if test -n "$oldshort_" then - if now_=$(cat "$GIT_DIR/$1") && test "$now_" = "$2" + if now_=$(git show-ref --hash "$1") && test "$now_" = "$2" then [ "$verbose" ] && echo >&2 "* $1: same as $3" [ "$verbose" ] && echo >&2 " $label_: $newshort_" ||: @@ -368,9 +368,10 @@ fetch_main () { ;; # we are already done. *) ( : subshell because we muck with IFS + pack_lockfile= IFS=" $LF" ( - git-fetch-pack $exec $keep "$remote" $rref || echo failed "$remote" + git-fetch-pack --thin $exec $keep "$remote" $rref || echo failed "$remote" ) | while read sha1 remote_name do @@ -378,6 +379,12 @@ fetch_main () { failed) echo >&2 "Fetch failure: $remote" exit 1 ;; + # special line coming from index-pack with the pack name + pack) + continue ;; + keep) + pack_lockfile="$GIT_OBJECT_DIRECTORY/pack/pack-$remote_name.keep" + continue ;; esac found= single_force= @@ -408,6 +415,7 @@ fetch_main () { append_fetch_head "$sha1" "$remote" \ "$remote_name" "$remote_nick" "$local_name" "$not_for_merge" done + if [ "$pack_lockfile" ]; then rm -f "$pack_lockfile"; fi ) || exit ;; esac @@ -427,7 +435,7 @@ case "$no_tags$tags" in sed -ne 's|^\([0-9a-f]*\)[ ]\(refs/tags/.*\)^{}$|\1 \2|p' | while read sha1 name do - test -f "$GIT_DIR/$name" && continue + git-show-ref --verify --quiet -- $name && continue git-check-ref-format "$name" || { echo >&2 "warning: tag ${name} ignored" continue diff --git a/git-repack.sh b/git-repack.sh index 17e24526c2..f150a558ca 100755 --- a/git-repack.sh +++ b/git-repack.sh @@ -45,11 +45,19 @@ case ",$all_into_one," in args='--unpacked --incremental' ;; ,t,) - args= - - # Redundancy check in all-into-one case is trivial. - existing=`test -d "$PACKDIR" && cd "$PACKDIR" && \ - find . -type f \( -name '*.pack' -o -name '*.idx' \) -print` + if [ -d "$PACKDIR" ]; then + for e in `cd "$PACKDIR" && find . -type f -name '*.pack' \ + | sed -e 's/^\.\///' -e 's/\.pack$//'` + do + if [ -e "$PACKDIR/$e.keep" ]; then + : keep + else + args="$args --unpacked=$e.pack" + existing="$existing $e" + fi + done + fi + [ -z "$args" ] && args='--unpacked --incremental' ;; esac @@ -86,17 +94,16 @@ fi if test "$remove_redundant" = t then - # We know $existing are all redundant only when - # all-into-one is used. - if test "$all_into_one" != '' && test "$existing" != '' + # We know $existing are all redundant. + if [ -n "$existing" ] then sync ( cd "$PACKDIR" && for e in $existing do case "$e" in - ./pack-$name.pack | ./pack-$name.idx) ;; - *) rm -f $e ;; + pack-$name) ;; + *) rm -f "$e.pack" "$e.idx" "$e.keep" ;; esac done ) diff --git a/git-revert.sh b/git-revert.sh index 4fd81b6ed6..6eab3c72df 100755 --- a/git-revert.sh +++ b/git-revert.sh @@ -145,9 +145,18 @@ git-read-tree -m -u --aggressive $base $head $next && result=$(git-write-tree 2>/dev/null) || { echo >&2 "Simple $me fails; trying Automatic $me." git-merge-index -o git-merge-one-file -a || { + mv -f .msg "$GIT_DIR/MERGE_MSG" + { + echo ' +Conflicts: +' + git ls-files --unmerged | + sed -e 's/^[^ ]* / /' | + uniq + } >>"$GIT_DIR/MERGE_MSG" echo >&2 "Automatic $me failed. After resolving the conflicts," echo >&2 "mark the corrected paths with 'git-update-index <paths>'" - echo >&2 "and commit with 'git commit -F .msg'" + echo >&2 "and commit the result." case "$me" in cherry-pick) echo >&2 "You may choose to use the following when making" diff --git a/git-send-email.perl b/git-send-email.perl index c42dc3bc94..4c87c20c15 100755 --- a/git-send-email.perl +++ b/git-send-email.perl @@ -231,6 +231,9 @@ if (!defined $initial_reply_to && $prompting) { } if (!$smtp_server) { + $smtp_server = $repo->config('sendemail.smtpserver'); +} +if (!$smtp_server) { foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) { if (-x $_) { $smtp_server = $_; diff --git a/git-svn.perl b/git-svn.perl index 37ecc51787..4a56f1871a 100755 --- a/git-svn.perl +++ b/git-svn.perl @@ -2662,11 +2662,12 @@ sub libsvn_connect { } sub libsvn_get_file { - my ($gui, $f, $rev) = @_; + my ($gui, $f, $rev, $chg) = @_; my $p = $f; if (length $SVN_PATH > 0) { return unless ($p =~ s#^\Q$SVN_PATH\E/##); } + print "\t$chg\t$f\n" unless $_q; my ($hash, $pid, $in, $out); my $pool = SVN::Pool->new; @@ -2769,8 +2770,7 @@ sub libsvn_fetch { $pool->clear; } foreach (@amr) { - print "\t$_->[0]\t$_->[1]\n" unless $_q; - libsvn_get_file($gui, $_->[1], $rev) + libsvn_get_file($gui, $_->[1], $rev, $_->[0]); } close $gui or croak $?; return libsvn_log_entry($rev, $author, $date, $msg, [$last_commit]); @@ -2848,8 +2848,7 @@ sub libsvn_traverse { if (defined $files) { push @$files, $file; } else { - print "\tA\t$file\n" unless $_q; - libsvn_get_file($gui, $file, $rev); + libsvn_get_file($gui, $file, $rev, 'A'); } } } @@ -3140,7 +3139,7 @@ sub copy_remote_ref { my $ref = "refs/remotes/$GIT_SVN"; if (safe_qx('git-ls-remote', $origin, $ref)) { sys(qw/git fetch/, $origin, "$ref:$ref"); - } else { + } elsif ($_cp_remote && !$_upgrade) { die "Unable to find remote reference: ", "refs/remotes/$GIT_SVN on $origin\n"; } diff --git a/git-svnimport.perl b/git-svnimport.perl index f6eff8e32a..cbaa8ab37c 100755 --- a/git-svnimport.perl +++ b/git-svnimport.perl @@ -31,7 +31,7 @@ $SIG{'PIPE'}="IGNORE"; $ENV{'TZ'}="UTC"; our($opt_h,$opt_o,$opt_v,$opt_u,$opt_C,$opt_i,$opt_m,$opt_M,$opt_t,$opt_T, - $opt_b,$opt_r,$opt_I,$opt_A,$opt_s,$opt_l,$opt_d,$opt_D,$opt_S,$opt_F); + $opt_b,$opt_r,$opt_I,$opt_A,$opt_s,$opt_l,$opt_d,$opt_D,$opt_S,$opt_F,$opt_P); sub usage() { print STDERR <<END; @@ -39,17 +39,19 @@ Usage: ${\basename $0} # fetch/update GIT from SVN [-o branch-for-HEAD] [-h] [-v] [-l max_rev] [-C GIT_repository] [-t tagname] [-T trunkname] [-b branchname] [-d|-D] [-i] [-u] [-r] [-I ignorefilename] [-s start_chg] - [-m] [-M regex] [-A author_file] [-S] [-F] [SVN_URL] + [-m] [-M regex] [-A author_file] [-S] [-F] [-P project_name] [SVN_URL] END exit(1); } -getopts("A:b:C:dDFhiI:l:mM:o:rs:t:T:Suv") or usage(); +getopts("A:b:C:dDFhiI:l:mM:o:rs:t:T:SP:uv") or usage(); usage if $opt_h; my $tag_name = $opt_t || "tags"; my $trunk_name = $opt_T || "trunk"; my $branch_name = $opt_b || "branches"; +my $project_name = $opt_P || ""; +$project_name = "/" . $project_name if ($project_name); @ARGV == 1 or @ARGV == 2 or usage(); @@ -427,6 +429,20 @@ sub get_ignore($$$$$) { } } +sub project_path($$) +{ + my ($path, $project) = @_; + + $path = "/".$path unless ($path =~ m#^\/#) ; + return $1 if ($path =~ m#^$project\/(.*)$#); + + $path =~ s#\.#\\\.#g; + $path =~ s#\+#\\\+#g; + return "/" if ($project =~ m#^$path.*$#); + + return undef; +} + sub split_path($$) { my($rev,$path) = @_; my $branch; @@ -446,7 +462,11 @@ sub split_path($$) { print STDERR "$rev: Unrecognized path: $path\n" unless (defined $no_error{$path}); return () } - $path = "/" if $path eq ""; + if ($path eq "") { + $path = "/"; + } elsif ($project_name) { + $path = project_path($path, $project_name); + } return ($branch,$path); } @@ -898,6 +918,7 @@ sub commit_all { while(my($path,$action) = each %$changed_paths) { ($branch,$path) = split_path($revision,$path); next if not defined $branch; + next if not defined $path; $done{$branch}{$path} = $action; } while(($branch,$changed_paths) = each %done) { diff --git a/git-tag.sh b/git-tag.sh index a0afa25821..ac269e3277 100755 --- a/git-tag.sh +++ b/git-tag.sh @@ -47,8 +47,10 @@ do -d) shift tag_name="$1" - rm "$GIT_DIR/refs/tags/$tag_name" && \ - echo "Deleted tag $tag_name." + tag=$(git-show-ref --verify --hash -- "refs/tags/$tag_name") || + die "Seriously, what tag are you talking about?" + git-update-ref -m 'tag: delete' -d "refs/tags/$tag_name" "$tag" && + echo "Deleted tag $tag_name." exit $? ;; -*) @@ -63,8 +65,11 @@ done name="$1" [ "$name" ] || usage -if [ -e "$GIT_DIR/refs/tags/$name" -a -z "$force" ]; then - die "tag '$name' already exists" +prev=0000000000000000000000000000000000000000 +if git-show-ref --verify --quiet -- "refs/tags/$name" +then + test -n "$force" || die "tag '$name' already exists" + prev=`git rev-parse "refs/tags/$name"` fi shift git-check-ref-format "tags/$name" || @@ -107,6 +112,5 @@ if [ "$annotate" ]; then object=$(git-mktag < "$GIT_DIR"/TAG_TMP) fi -leading=`expr "refs/tags/$name" : '\(.*\)/'` && -mkdir -p "$GIT_DIR/$leading" && -echo $object > "$GIT_DIR/refs/tags/$name" +git update-ref "refs/tags/$name" "$object" "$prev" + @@ -222,9 +222,11 @@ static void handle_internal_command(int argc, const char **argv, char **envp) { "annotate", cmd_annotate, }, { "apply", cmd_apply }, { "archive", cmd_archive }, + { "branch", cmd_branch, RUN_SETUP }, { "cat-file", cmd_cat_file, RUN_SETUP }, { "checkout-index", cmd_checkout_index, RUN_SETUP }, { "check-ref-format", cmd_check_ref_format }, + { "cherry", cmd_cherry, RUN_SETUP }, { "commit-tree", cmd_commit_tree, RUN_SETUP }, { "count-objects", cmd_count_objects, RUN_SETUP }, { "diff", cmd_diff, RUN_SETUP | USE_PAGER }, @@ -269,6 +271,8 @@ static void handle_internal_command(int argc, const char **argv, char **envp) { "whatchanged", cmd_whatchanged, RUN_SETUP | USE_PAGER }, { "write-tree", cmd_write_tree, RUN_SETUP }, { "verify-pack", cmd_verify_pack }, + { "show-ref", cmd_show_ref, RUN_SETUP }, + { "pack-refs", cmd_pack_refs, RUN_SETUP }, }; int i; diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl index 7b2499af1e..3c6fd7ca47 100755 --- a/gitweb/gitweb.perl +++ b/gitweb/gitweb.perl @@ -160,6 +160,21 @@ our %feature = ( 'pathinfo' => { 'override' => 0, 'default' => [0]}, + + # Make gitweb consider projects in project root subdirectories + # to be forks of existing projects. Given project $projname.git, + # projects matching $projname/*.git will not be shown in the main + # projects list, instead a '+' mark will be added to $projname + # there and a 'forks' view will be enabled for the project, listing + # all the forks. This feature is supported only if project list + # is taken from a directory, not file. + + # To enable system wide have in $GITWEB_CONFIG + # $feature{'forks'}{'default'} = [1]; + # Project specific override is not supported. + 'forks' => { + 'override' => 0, + 'default' => [0]}, ); sub gitweb_check_feature { @@ -405,6 +420,7 @@ my %actions = ( "commitdiff" => \&git_commitdiff, "commitdiff_plain" => \&git_commitdiff_plain, "commit" => \&git_commit, + "forks" => \&git_forks, "heads" => \&git_heads, "history" => \&git_history, "log" => \&git_log, @@ -554,12 +570,17 @@ sub esc_url { } # replace invalid utf8 character with SUBSTITUTION sequence -sub esc_html { +sub esc_html ($;%) { my $str = shift; + my %opts = @_; + $str = to_utf8($str); $str = escapeHTML($str); $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file) $str =~ s/\033/^[/g; # "escape" ESCAPE (\e) character (e.g. commit 20a3847d8a5032ce41f90dcc68abfb36e6fee9b1) + if ($opts{'-nbsp'}) { + $str =~ s/ / /g; + } return $str; } @@ -784,7 +805,7 @@ sub format_diff_line { $diff_class = " incomplete"; } $line = untabify($line); - return "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n"; + return "<div class=\"diff$diff_class\">" . esc_html($line, -nbsp=>1) . "</div>\n"; } ## ---------------------------------------------------------------------- @@ -860,7 +881,7 @@ sub git_get_hash_by_path { close $fd or return undef; #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c' - $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/; + $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t/; if (defined $type && $type ne $2) { # type doesn't match return undef; @@ -892,13 +913,21 @@ sub git_get_project_url_list { } sub git_get_projects_list { + my ($filter) = @_; my @list; + $filter ||= ''; + $filter =~ s/\.git$//; + if (-d $projects_list) { # search in directory - my $dir = $projects_list; + my $dir = $projects_list . ($filter ? "/$filter" : ''); + # remove the trailing "/" + $dir =~ s!/+$!!; my $pfxlen = length("$dir"); + my $check_forks = gitweb_check_feature('forks'); + File::Find::find({ follow_fast => 1, # follow symbolic links dangling_symlinks => 0, # ignore dangling symlinks, silently @@ -910,8 +939,10 @@ sub git_get_projects_list { my $subdir = substr($File::Find::name, $pfxlen + 1); # we check related file in $projectroot - if (check_export_ok("$projectroot/$subdir")) { - push @list, { path => $subdir }; + if ($check_forks and $subdir =~ m#/.#) { + $File::Find::prune = 1; + } elsif (check_export_ok("$projectroot/$filter/$subdir")) { + push @list, { path => ($filter ? "$filter/" : '') . $subdir }; $File::Find::prune = 1; } }, @@ -976,6 +1007,24 @@ sub git_get_project_owner { return $owner; } +sub git_get_last_activity { + my ($path) = @_; + my $fd; + + $git_dir = "$projectroot/$path"; + open($fd, "-|", git_cmd(), 'for-each-ref', + '--format=%(refname) %(committer)', + '--sort=-committerdate', + 'refs/heads') or return; + my $most_recent = <$fd>; + close $fd or return; + if ($most_recent =~ / (\d+) [-+][01]\d\d\d$/) { + my $timestamp = $1; + my $age = time - $timestamp; + return ($age, age_string($age)); + } +} + sub git_get_references { my $type = shift || ""; my %refs; @@ -1082,24 +1131,6 @@ sub parse_tag { return %tag } -sub git_get_last_activity { - my ($path) = @_; - my $fd; - - $git_dir = "$projectroot/$path"; - open($fd, "-|", git_cmd(), 'for-each-ref', - '--format=%(refname) %(committer)', - '--sort=-committerdate', - 'refs/heads') or return; - my $most_recent = <$fd>; - close $fd or return; - if ($most_recent =~ / (\d+) [-+][01]\d\d\d$/) { - my $timestamp = $1; - my $age = time - $timestamp; - return ($age, age_string($age)); - } -} - sub parse_commit { my $commit_id = shift; my $commit_text = shift; @@ -1111,7 +1142,9 @@ sub parse_commit { @commit_lines = @$commit_text; } else { local $/ = "\0"; - open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", "--max-count=1", $commit_id + open my $fd, "-|", git_cmd(), "rev-list", + "--header", "--parents", "--max-count=1", + $commit_id, "--" or return; @commit_lines = split '\n', <$fd>; close $fd or return; @@ -1275,7 +1308,7 @@ sub parse_ls_tree_line ($;%) { my %res; #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c' - $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/; + $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/s; $res{'mode'} = $1; $res{'type'} = $2; @@ -1292,47 +1325,88 @@ sub parse_ls_tree_line ($;%) { ## ...................................................................... ## parse to array of hashes functions -sub git_get_refs_list { - my $type = shift || ""; - my %refs; - my @reflist; +sub git_get_heads_list { + my $limit = shift; + my @headslist; - my @refs; - open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/" + open my $fd, '-|', git_cmd(), 'for-each-ref', + ($limit ? '--count='.($limit+1) : ()), '--sort=-committerdate', + '--format=%(objectname) %(refname) %(subject)%00%(committer)', + 'refs/heads' or return; while (my $line = <$fd>) { - chomp $line; - if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?([^\^]+))(\^\{\})?$/) { - if (defined $refs{$1}) { - push @{$refs{$1}}, $2; - } else { - $refs{$1} = [ $2 ]; - } + my %ref_item; - if (! $4) { # unpeeled, direct reference - push @refs, { hash => $1, name => $3 }; # without type - } elsif ($3 eq $refs[-1]{'name'}) { - # most likely a tag is followed by its peeled - # (deref) one, and when that happens we know the - # previous one was of type 'tag'. - $refs[-1]{'type'} = "tag"; - } + chomp $line; + my ($refinfo, $committerinfo) = split(/\0/, $line); + my ($hash, $name, $title) = split(' ', $refinfo, 3); + my ($committer, $epoch, $tz) = + ($committerinfo =~ /^(.*) ([0-9]+) (.*)$/); + $name =~ s!^refs/heads/!!; + + $ref_item{'name'} = $name; + $ref_item{'id'} = $hash; + $ref_item{'title'} = $title || '(no commit message)'; + $ref_item{'epoch'} = $epoch; + if ($epoch) { + $ref_item{'age'} = age_string(time - $ref_item{'epoch'}); + } else { + $ref_item{'age'} = "unknown"; } + + push @headslist, \%ref_item; } close $fd; - foreach my $ref (@refs) { - my $ref_file = $ref->{'name'}; - my $ref_id = $ref->{'hash'}; + return wantarray ? @headslist : \@headslist; +} + +sub git_get_tags_list { + my $limit = shift; + my @tagslist; + + open my $fd, '-|', git_cmd(), 'for-each-ref', + ($limit ? '--count='.($limit+1) : ()), '--sort=-creatordate', + '--format=%(objectname) %(objecttype) %(refname) '. + '%(*objectname) %(*objecttype) %(subject)%00%(creator)', + 'refs/tags' + or return; + while (my $line = <$fd>) { + my %ref_item; - my $type = $ref->{'type'} || git_get_type($ref_id) || next; - my %ref_item = parse_ref($ref_file, $ref_id, $type); + chomp $line; + my ($refinfo, $creatorinfo) = split(/\0/, $line); + my ($id, $type, $name, $refid, $reftype, $title) = split(' ', $refinfo, 6); + my ($creator, $epoch, $tz) = + ($creatorinfo =~ /^(.*) ([0-9]+) (.*)$/); + $name =~ s!^refs/tags/!!; + + $ref_item{'type'} = $type; + $ref_item{'id'} = $id; + $ref_item{'name'} = $name; + if ($type eq "tag") { + $ref_item{'subject'} = $title; + $ref_item{'reftype'} = $reftype; + $ref_item{'refid'} = $refid; + } else { + $ref_item{'reftype'} = $type; + $ref_item{'refid'} = $id; + } + + if ($type eq "tag" || $type eq "commit") { + $ref_item{'epoch'} = $epoch; + if ($epoch) { + $ref_item{'age'} = age_string(time - $ref_item{'epoch'}); + } else { + $ref_item{'age'} = "unknown"; + } + } - push @reflist, \%ref_item; + push @tagslist, \%ref_item; } - # sort refs by age - @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist; - return (\@reflist, \%refs); + close $fd; + + return wantarray ? @tagslist : \@tagslist; } ## ---------------------------------------------------------------------- @@ -1943,19 +2017,19 @@ sub git_difftree_body { print "</td>\n"; print "<td>$mode_chnge</td>\n"; print "<td class=\"link\">"; - if ($diff{'to_id'} ne $diff{'from_id'}) { # modified - if ($action eq 'commitdiff') { - # link to patch - $patchno++; - print $cgi->a({-href => "#patch$patchno"}, "patch"); - } else { - print $cgi->a({-href => href(action=>"blobdiff", - hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'}, - hash_base=>$hash, hash_parent_base=>$parent, - file_name=>$diff{'file'})}, - "diff"); - } - print " | "; + if ($action eq 'commitdiff') { + # link to patch + $patchno++; + print $cgi->a({-href => "#patch$patchno"}, "patch") . + " | "; + } elsif ($diff{'to_id'} ne $diff{'from_id'}) { + # "commit" view and modified file (not onlu mode changed) + print $cgi->a({-href => href(action=>"blobdiff", + hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'}, + hash_base=>$hash, hash_parent_base=>$parent, + file_name=>$diff{'file'})}, + "diff") . + " | "; } print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'}, hash_base=>$hash, file_name=>$diff{'file'})}, @@ -1986,19 +2060,19 @@ sub git_difftree_body { -class => "list"}, esc_html($diff{'from_file'})) . " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" . "<td class=\"link\">"; - if ($diff{'to_id'} ne $diff{'from_id'}) { - if ($action eq 'commitdiff') { - # link to patch - $patchno++; - print $cgi->a({-href => "#patch$patchno"}, "patch"); - } else { - print $cgi->a({-href => href(action=>"blobdiff", - hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'}, - hash_base=>$hash, hash_parent_base=>$parent, - file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})}, - "diff"); - } - print " | "; + if ($action eq 'commitdiff') { + # link to patch + $patchno++; + print $cgi->a({-href => "#patch$patchno"}, "patch") . + " | "; + } elsif ($diff{'to_id'} ne $diff{'from_id'}) { + # "commit" view and modified file (not only pure rename or copy) + print $cgi->a({-href => href(action=>"blobdiff", + hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'}, + hash_base=>$hash, hash_parent_base=>$parent, + file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})}, + "diff") . + " | "; } print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'}, hash_base=>$parent, file_name=>$diff{'from_file'})}, @@ -2049,13 +2123,6 @@ sub git_patchset_body { } $patch_idx++; - # for now, no extended header, hence we skip empty patches - # companion to next LINE if $in_header; - if ($diffinfo->{'from_id'} eq $diffinfo->{'to_id'}) { # no change - $in_header = 1; - next LINE; - } - if ($diffinfo->{'status'} eq "A") { # added print "<div class=\"diff_info\">" . file_type($diffinfo->{'to_mode'}) . ":" . $cgi->a({-href => href(action=>"blob", hash_base=>$hash, @@ -2142,6 +2209,124 @@ sub git_patchset_body { # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +sub git_project_list_body { + my ($projlist, $order, $from, $to, $extra, $no_header) = @_; + + my $check_forks = gitweb_check_feature('forks'); + + my @projects; + foreach my $pr (@$projlist) { + my (@aa) = git_get_last_activity($pr->{'path'}); + unless (@aa) { + next; + } + ($pr->{'age'}, $pr->{'age_string'}) = @aa; + if (!defined $pr->{'descr'}) { + my $descr = git_get_project_description($pr->{'path'}) || ""; + $pr->{'descr'} = chop_str($descr, 25, 5); + } + if (!defined $pr->{'owner'}) { + $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || ""; + } + if ($check_forks) { + my $pname = $pr->{'path'}; + $pname =~ s/\.git$//; + $pr->{'forks'} = -d "$projectroot/$pname"; + } + push @projects, $pr; + } + + $order ||= "project"; + $from = 0 unless defined $from; + $to = $#projects if (!defined $to || $#projects < $to); + + print "<table class=\"project_list\">\n"; + unless ($no_header) { + print "<tr>\n"; + if ($check_forks) { + print "<th></th>\n"; + } + if ($order eq "project") { + @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects; + print "<th>Project</th>\n"; + } else { + print "<th>" . + $cgi->a({-href => href(project=>undef, order=>'project'), + -class => "header"}, "Project") . + "</th>\n"; + } + if ($order eq "descr") { + @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects; + print "<th>Description</th>\n"; + } else { + print "<th>" . + $cgi->a({-href => href(project=>undef, order=>'descr'), + -class => "header"}, "Description") . + "</th>\n"; + } + if ($order eq "owner") { + @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects; + print "<th>Owner</th>\n"; + } else { + print "<th>" . + $cgi->a({-href => href(project=>undef, order=>'owner'), + -class => "header"}, "Owner") . + "</th>\n"; + } + if ($order eq "age") { + @projects = sort {$a->{'age'} <=> $b->{'age'}} @projects; + print "<th>Last Change</th>\n"; + } else { + print "<th>" . + $cgi->a({-href => href(project=>undef, order=>'age'), + -class => "header"}, "Last Change") . + "</th>\n"; + } + print "<th></th>\n" . + "</tr>\n"; + } + my $alternate = 1; + for (my $i = $from; $i <= $to; $i++) { + my $pr = $projects[$i]; + if ($alternate) { + print "<tr class=\"dark\">\n"; + } else { + print "<tr class=\"light\">\n"; + } + $alternate ^= 1; + if ($check_forks) { + print "<td>"; + if ($pr->{'forks'}) { + print $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "+"); + } + print "</td>\n"; + } + print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"), + -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" . + "<td>" . esc_html($pr->{'descr'}) . "</td>\n" . + "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n"; + print "<td class=\"". age_class($pr->{'age'}) . "\">" . + $pr->{'age_string'} . "</td>\n" . + "<td class=\"link\">" . + $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary") . " | " . + $cgi->a({-href => '/git-browser/by-commit.html?r='.$pr->{'path'}}, "graphiclog") . " | " . + $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " . + $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") . + ($pr->{'forks'} ? " | " . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "forks") : '') . + "</td>\n" . + "</tr>\n"; + } + if (defined $extra) { + print "<tr>\n"; + if ($check_forks) { + print "<td></td>\n"; + } + print "<td colspan=\"5\">$extra</td>\n" . + "</tr>\n"; + } + print "</table>\n"; +} + sub git_shortlog_body { # uses global variable $project my ($revlist, $from, $to, $refs, $extra) = @_; @@ -2262,8 +2447,7 @@ sub git_tags_body { for (my $i = $from; $i <= $to; $i++) { my $entry = $taglist->[$i]; my %tag = %$entry; - my $comment_lines = $tag{'comment'}; - my $comment = shift @$comment_lines; + my $comment = $tag{'subject'}; my $comment_short; if (defined $comment) { $comment_short = chop_str($comment, 30, 5); @@ -2296,7 +2480,7 @@ sub git_tags_body { $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'}); if ($tag{'reftype'} eq "commit") { print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . - " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log"); + " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log"); } elsif ($tag{'reftype'} eq "blob") { print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw"); } @@ -2321,23 +2505,23 @@ sub git_heads_body { my $alternate = 1; for (my $i = $from; $i <= $to; $i++) { my $entry = $headlist->[$i]; - my %tag = %$entry; - my $curr = $tag{'id'} eq $head; + my %ref = %$entry; + my $curr = $ref{'id'} eq $head; if ($alternate) { print "<tr class=\"dark\">\n"; } else { print "<tr class=\"light\">\n"; } $alternate ^= 1; - print "<td><i>$tag{'age'}</i></td>\n" . - ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") . - $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}), - -class => "list name"},esc_html($tag{'name'})) . + print "<td><i>$ref{'age'}</i></td>\n" . + ($curr ? "<td class=\"current_head\">" : "<td>") . + $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'name'}), + -class => "list name"},esc_html($ref{'name'})) . "</td>\n" . "<td class=\"link\">" . - $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " . - $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") . " | " . - $cgi->a({-href => href(action=>"tree", hash=>$tag{'name'}, hash_base=>$tag{'name'})}, "tree") . + $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'name'})}, "shortlog") . " | " . + $cgi->a({-href => href(action=>"log", hash=>$ref{'name'})}, "log") . " | " . + $cgi->a({-href => href(action=>"tree", hash=>$ref{'name'}, hash_base=>$ref{'name'})}, "tree") . "</td>\n" . "</tr>"; } @@ -2360,25 +2544,9 @@ sub git_project_list { } my @list = git_get_projects_list(); - my @projects; if (!@list) { die_error(undef, "No projects found"); } - foreach my $pr (@list) { - my (@aa) = git_get_last_activity($pr->{'path'}); - unless (@aa) { - next; - } - ($pr->{'age'}, $pr->{'age_string'}) = @aa; - if (!defined $pr->{'descr'}) { - my $descr = git_get_project_description($pr->{'path'}) || ""; - $pr->{'descr'} = chop_str($descr, 25, 5); - } - if (!defined $pr->{'owner'}) { - $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || ""; - } - push @projects, $pr; - } git_header_html(); if (-f $home_text) { @@ -2388,75 +2556,30 @@ sub git_project_list { close $fd; print "</div>\n"; } - print "<table class=\"project_list\">\n" . - "<tr>\n"; - $order ||= "project"; - if ($order eq "project") { - @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects; - print "<th>Project</th>\n"; - } else { - print "<th>" . - $cgi->a({-href => href(project=>undef, order=>'project'), - -class => "header"}, "Project") . - "</th>\n"; - } - if ($order eq "descr") { - @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects; - print "<th>Description</th>\n"; - } else { - print "<th>" . - $cgi->a({-href => href(project=>undef, order=>'descr'), - -class => "header"}, "Description") . - "</th>\n"; - } - if ($order eq "owner") { - @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects; - print "<th>Owner</th>\n"; - } else { - print "<th>" . - $cgi->a({-href => href(project=>undef, order=>'owner'), - -class => "header"}, "Owner") . - "</th>\n"; - } - if ($order eq "age") { - @projects = sort {$a->{'age'} <=> $b->{'age'}} @projects; - print "<th>Last Change</th>\n"; - } else { - print "<th>" . - $cgi->a({-href => href(project=>undef, order=>'age'), - -class => "header"}, "Last Change") . - "</th>\n"; + git_project_list_body(\@list, $order); + git_footer_html(); +} + +sub git_forks { + my $order = $cgi->param('o'); + if (defined $order && $order !~ m/project|descr|owner|age/) { + die_error(undef, "Unknown order parameter"); } - print "<th></th>\n" . - "</tr>\n"; - my $alternate = 1; - foreach my $pr (@projects) { - if ($alternate) { - print "<tr class=\"dark\">\n"; - } else { - print "<tr class=\"light\">\n"; - } - $alternate ^= 1; - print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"), - -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" . - "<td>" . esc_html($pr->{'descr'}) . "</td>\n" . - "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n"; - print "<td class=\"". age_class($pr->{'age'}) . "\">" . - $pr->{'age_string'} . "</td>\n" . - "<td class=\"link\">" . - $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary") . " | " . - $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " . - $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " . - $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") . - "</td>\n" . - "</tr>\n"; + + my @list = git_get_projects_list($project); + if (!@list) { + die_error(undef, "No forks found"); } - print "</table>\n"; + + git_header_html(); + git_print_page_nav('',''); + git_print_header_div('summary', "$project forks"); + git_project_list_body(\@list, $order); git_footer_html(); } sub git_project_index { - my @projects = git_get_projects_list(); + my @projects = git_get_projects_list($project); print $cgi->header( -type => 'text/plain', @@ -2487,17 +2610,12 @@ sub git_summary { my $owner = git_get_project_owner($project); - my ($reflist, $refs) = git_get_refs_list(); - - my @taglist; - my @headlist; - foreach my $ref (@$reflist) { - if ($ref->{'name'} =~ s!^heads/!!) { - push @headlist, $ref; - } else { - $ref->{'name'} =~ s!^tags/!!; - push @taglist, $ref; - } + my $refs = git_get_references(); + my @taglist = git_get_tags_list(15); + my @headlist = git_get_heads_list(15); + my @forklist; + if (gitweb_check_feature('forks')) { + @forklist = git_get_projects_list($project); } git_header_html(); @@ -2529,7 +2647,7 @@ sub git_summary { } open my $fd, "-|", git_cmd(), "rev-list", "--max-count=17", - git_get_head_hash($project) + git_get_head_hash($project), "--" or die_error(undef, "Open git-rev-list failed"); my @revlist = map { chomp; $_ } <$fd>; close $fd; @@ -2549,6 +2667,13 @@ sub git_summary { $cgi->a({-href => href(action=>"heads")}, "...")); } + if (@forklist) { + git_print_header_div('forks'); + git_project_list_body(\@forklist, undef, 0, 15, + $cgi->a({-href => href(action=>"forks")}, "..."), + 'noheader'); + } + git_footer_html(); } @@ -2659,7 +2784,7 @@ HTML print "<tr class=\"$rev_color[$current_color]\">\n"; if ($group_size) { print "<td class=\"sha1\""; - print " title=\"$author, $date\""; + print " title=\"". esc_html($author) . ", $date\""; print " rowspan=\"$group_size\"" if ($group_size > 1); print ">"; print $cgi->a({-href => href(action=>"commit", @@ -2790,9 +2915,9 @@ sub git_tags { git_print_page_nav('','', $head,undef,$head); git_print_header_div('summary', $project); - my ($taglist) = git_get_refs_list("tags"); - if (@$taglist) { - git_tags_body($taglist); + my @tagslist = git_get_tags_list(); + if (@tagslist) { + git_tags_body(\@tagslist); } git_footer_html(); } @@ -2803,9 +2928,9 @@ sub git_heads { git_print_page_nav('','', $head,undef,$head); git_print_header_div('summary', $project); - my ($headlist) = git_get_refs_list("heads"); - if (@$headlist) { - git_heads_body($headlist, $head); + my @headslist = git_get_heads_list(); + if (@headslist) { + git_heads_body(\@headslist, $head); } git_footer_html(); } @@ -2918,7 +3043,7 @@ sub git_blob { $nr++; $line = untabify($line); printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", - $nr, $nr, $nr, esc_html($line); + $nr, $nr, $nr, esc_html($line, -nbsp=>1); } close $fd or print "Reading blob failed.\n"; @@ -3072,7 +3197,7 @@ sub git_log { my $refs = git_get_references(); my $limit = sprintf("--max-count=%i", (100 * ($page+1))); - open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash + open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash, "--" or die_error(undef, "Open git-rev-list failed"); my @revlist = map { chomp; $_ } <$fd>; close $fd; @@ -3130,7 +3255,7 @@ sub git_commit { $parent = "--root"; } open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id", - @diff_opts, $parent, $hash + @diff_opts, $parent, $hash, "--" or die_error(undef, "Open git-diff-tree failed"); my @difftree = map { chomp; $_ } <$fd>; close $fd or die_error(undef, "Reading git-diff-tree failed"); @@ -3235,7 +3360,8 @@ sub git_blobdiff { if (defined $hash_base && defined $hash_parent_base) { if (defined $file_name) { # read raw output - open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base, + open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, + $hash_parent_base, $hash_base, "--", $file_name or die_error(undef, "Open git-diff-tree failed"); @difftree = map { chomp; $_ } <$fd>; @@ -3249,7 +3375,8 @@ sub git_blobdiff { # try to find filename from $hash # read filtered raw output - open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base + open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, + $hash_parent_base, $hash_base, "--" or die_error(undef, "Open git-diff-tree failed"); @difftree = # ':100644 100644 03b21826... 3b93d5e7... M ls-files.c' @@ -3319,7 +3446,8 @@ sub git_blobdiff { } # open patch output - open $fd, "-|", git_cmd(), "diff", '-p', @diff_opts, $hash_parent, $hash + open $fd, "-|", git_cmd(), "diff", '-p', @diff_opts, + $hash_parent, $hash, "--" or die_error(undef, "Open git-diff failed"); } else { die_error('404 Not Found', "Missing one of the blob diff parameters") @@ -3396,6 +3524,51 @@ sub git_commitdiff { if (!%co) { die_error(undef, "Unknown commit object"); } + + # we need to prepare $formats_nav before any parameter munging + my $formats_nav; + if ($format eq 'html') { + $formats_nav = + $cgi->a({-href => href(action=>"commitdiff_plain", + hash=>$hash, hash_parent=>$hash_parent)}, + "raw"); + + if (defined $hash_parent) { + # commitdiff with two commits given + my $hash_parent_short = $hash_parent; + if ($hash_parent =~ m/^[0-9a-fA-F]{40}$/) { + $hash_parent_short = substr($hash_parent, 0, 7); + } + $formats_nav .= + ' (from: ' . + $cgi->a({-href => href(action=>"commitdiff", + hash=>$hash_parent)}, + esc_html($hash_parent_short)) . + ')'; + } elsif (!$co{'parent'}) { + # --root commitdiff + $formats_nav .= ' (initial)'; + } elsif (scalar @{$co{'parents'}} == 1) { + # single parent commit + $formats_nav .= + ' (parent: ' . + $cgi->a({-href => href(action=>"commitdiff", + hash=>$co{'parent'})}, + esc_html(substr($co{'parent'}, 0, 7))) . + ')'; + } else { + # merge commit + $formats_nav .= + ' (merge: ' . + join(' ', map { + $cgi->a({-href => href(action=>"commitdiff", + hash=>$_)}, + esc_html(substr($_, 0, 7))); + } @{$co{'parents'}} ) . + ')'; + } + } + if (!defined $hash_parent) { $hash_parent = $co{'parent'} || '--root'; } @@ -3405,8 +3578,8 @@ sub git_commitdiff { my @difftree; if ($format eq 'html') { open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, - "--no-commit-id", - "--patch-with-raw", "--full-index", $hash_parent, $hash + "--no-commit-id", "--patch-with-raw", "--full-index", + $hash_parent, $hash, "--" or die_error(undef, "Open git-diff-tree failed"); while (chomp(my $line = <$fd>)) { @@ -3417,7 +3590,7 @@ sub git_commitdiff { } elsif ($format eq 'plain') { open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, - '-p', $hash_parent, $hash + '-p', $hash_parent, $hash, "--" or die_error(undef, "Open git-diff-tree failed"); } else { @@ -3434,10 +3607,6 @@ sub git_commitdiff { if ($format eq 'html') { my $refs = git_get_references(); my $ref = format_ref_marker($refs, $co{'id'}); - my $formats_nav = - $cgi->a({-href => href(action=>"commitdiff_plain", - hash=>$hash, hash_parent=>$hash_parent)}, - "raw"); git_header_html(undef, $expires); git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav); @@ -3598,7 +3767,9 @@ sub git_search { my $alternate = 1; if ($searchtype eq 'commit' or $searchtype eq 'author' or $searchtype eq 'committer') { $/ = "\0"; - open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", $hash or next; + open my $fd, "-|", git_cmd(), "rev-list", + "--header", "--parents", $hash, "--" + or next; while (my $commit_text = <$fd>) { if (!grep m/$searchtext/i, $commit_text) { next; @@ -3744,7 +3915,7 @@ sub git_shortlog { my $refs = git_get_references(); my $limit = sprintf("--max-count=%i", (100 * ($page+1))); - open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash + open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash, "--" or die_error(undef, "Open git-rev-list failed"); my @revlist = map { chomp; $_ } <$fd>; close $fd; @@ -3772,7 +3943,8 @@ sub git_shortlog { sub git_rss { # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ - open my $fd, "-|", git_cmd(), "rev-list", "--max-count=150", git_get_head_hash($project) + open my $fd, "-|", git_cmd(), "rev-list", "--max-count=150", + git_get_head_hash($project), "--" or die_error(undef, "Open git-rev-list failed"); my @revlist = map { chomp; $_ } <$fd>; close $fd or die_error(undef, "Reading git-rev-list failed"); @@ -3796,7 +3968,7 @@ XML } my %cd = parse_date($co{'committer_epoch'}); open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, - $co{'parent'}, $co{'id'} + $co{'parent'}, $co{'id'}, "--" or next; my @difftree = map { chomp; $_ } <$fd>; close $fd diff --git a/http-push.c b/http-push.c index 670ff007be..ecefdfd4f8 100644 --- a/http-push.c +++ b/http-push.c @@ -1864,7 +1864,7 @@ static int update_remote(unsigned char *sha1, struct remote_lock *lock) static struct ref *local_refs, **local_tail; static struct ref *remote_refs, **remote_tail; -static int one_local_ref(const char *refname, const unsigned char *sha1) +static int one_local_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { struct ref *ref; int len = strlen(refname) + 1; @@ -1913,7 +1913,7 @@ static void one_remote_ref(char *refname) static void get_local_heads(void) { local_tail = &local_refs; - for_each_ref(one_local_ref); + for_each_ref(one_local_ref, NULL); } static void get_dav_remote_heads(void) diff --git a/imap-send.c b/imap-send.c index 16804ab286..a6a65680ee 100644 --- a/imap-send.c +++ b/imap-send.c @@ -272,7 +272,7 @@ buffer_gets( buffer_t * b, char **s ) n = b->bytes - start; if (n) - memcpy( b->buf, b->buf + start, n ); + memmove(b->buf, b->buf + start, n); b->offset -= start; b->bytes = n; start = 0; diff --git a/index-pack.c b/index-pack.c index e33f60524f..042aea8842 100644 --- a/index-pack.c +++ b/index-pack.c @@ -6,9 +6,11 @@ #include "commit.h" #include "tag.h" #include "tree.h" +#include <sys/time.h> +#include <signal.h> static const char index_pack_usage[] = -"git-index-pack [-o index-file] pack-file"; +"git-index-pack [-v] [-o <index-file>] [{ ---keep | --keep=<msg> }] { <pack-file> | --stdin [--fix-thin] [<pack-file>] }"; struct object_entry { @@ -33,37 +35,83 @@ union delta_base { struct delta_entry { - struct object_entry *obj; union delta_base base; + int obj_no; }; -static const char *pack_name; static struct object_entry *objects; static struct delta_entry *deltas; static int nr_objects; static int nr_deltas; +static int nr_resolved_deltas; + +static int from_stdin; +static int verbose; + +static volatile sig_atomic_t progress_update; + +static void progress_interval(int signum) +{ + progress_update = 1; +} + +static void setup_progress_signal(void) +{ + struct sigaction sa; + struct itimerval v; + + memset(&sa, 0, sizeof(sa)); + sa.sa_handler = progress_interval; + sigemptyset(&sa.sa_mask); + sa.sa_flags = SA_RESTART; + sigaction(SIGALRM, &sa, NULL); + + v.it_interval.tv_sec = 1; + v.it_interval.tv_usec = 0; + v.it_value = v.it_interval; + setitimer(ITIMER_REAL, &v, NULL); + +} + +static unsigned display_progress(unsigned n, unsigned total, unsigned last_pc) +{ + unsigned percent = n * 100 / total; + if (percent != last_pc || progress_update) { + fprintf(stderr, "%4u%% (%u/%u) done\r", percent, n, total); + progress_update = 0; + } + return percent; +} /* We always read in 4kB chunks. */ static unsigned char input_buffer[4096]; static unsigned long input_offset, input_len, consumed_bytes; static SHA_CTX input_ctx; -static int input_fd; +static int input_fd, output_fd, mmap_fd; + +/* Discard current buffer used content. */ +static void flush() +{ + if (input_offset) { + if (output_fd >= 0) + write_or_die(output_fd, input_buffer, input_offset); + SHA1_Update(&input_ctx, input_buffer, input_offset); + memcpy(input_buffer, input_buffer + input_offset, input_len); + input_offset = 0; + } +} /* * Make sure at least "min" bytes are available in the buffer, and * return the pointer to the buffer. */ -static void * fill(int min) +static void *fill(int min) { if (min <= input_len) return input_buffer + input_offset; if (min > sizeof(input_buffer)) die("cannot fill %d bytes", min); - if (input_offset) { - SHA1_Update(&input_ctx, input_buffer, input_offset); - memcpy(input_buffer, input_buffer + input_offset, input_len); - input_offset = 0; - } + flush(); do { int ret = xread(input_fd, input_buffer + input_len, sizeof(input_buffer) - input_len); @@ -86,13 +134,31 @@ static void use(int bytes) consumed_bytes += bytes; } -static void open_pack_file(void) +static const char *open_pack_file(const char *pack_name) { - input_fd = open(pack_name, O_RDONLY); - if (input_fd < 0) - die("cannot open packfile '%s': %s", pack_name, - strerror(errno)); + if (from_stdin) { + input_fd = 0; + if (!pack_name) { + static char tmpfile[PATH_MAX]; + snprintf(tmpfile, sizeof(tmpfile), + "%s/pack_XXXXXX", get_object_directory()); + output_fd = mkstemp(tmpfile); + pack_name = xstrdup(tmpfile); + } else + output_fd = open(pack_name, O_CREAT|O_EXCL|O_RDWR, 0600); + if (output_fd < 0) + die("unable to create %s: %s\n", pack_name, strerror(errno)); + mmap_fd = output_fd; + } else { + input_fd = open(pack_name, O_RDONLY); + if (input_fd < 0) + die("cannot open packfile '%s': %s", + pack_name, strerror(errno)); + output_fd = -1; + mmap_fd = input_fd; + } SHA1_Init(&input_ctx); + return pack_name; } static void parse_pack_header(void) @@ -101,14 +167,12 @@ static void parse_pack_header(void) /* Header consistency check */ if (hdr->hdr_signature != htonl(PACK_SIGNATURE)) - die("packfile '%s' signature mismatch", pack_name); + die("pack signature mismatch"); if (!pack_version_ok(hdr->hdr_version)) - die("packfile '%s' version %d unsupported", - pack_name, ntohl(hdr->hdr_version)); + die("pack version %d unsupported", ntohl(hdr->hdr_version)); nr_objects = ntohl(hdr->hdr_entries); use(sizeof(struct pack_header)); - /*fprintf(stderr, "Indexing %d objects\n", nr_objects);*/ } static void bad_object(unsigned long offset, const char *format, @@ -122,8 +186,7 @@ static void bad_object(unsigned long offset, const char *format, ...) va_start(params, format); vsnprintf(buf, sizeof(buf), format, params); va_end(params); - die("packfile '%s': bad object at offset %lu: %s", - pack_name, offset, buf); + die("pack has bad object at offset %lu: %s", offset, buf); } static void *unpack_entry_data(unsigned long offset, unsigned long size) @@ -212,7 +275,7 @@ static void *unpack_raw_entry(struct object_entry *obj, union delta_base *delta_ return unpack_entry_data(obj->offset, obj->size); } -static void * get_data_from_pack(struct object_entry *obj) +static void *get_data_from_pack(struct object_entry *obj) { unsigned long from = obj[0].offset + obj[0].hdr_size; unsigned long len = obj[1].offset - from; @@ -222,9 +285,9 @@ static void * get_data_from_pack(struct object_entry *obj) int st; map = mmap(NULL, len + pg_offset, PROT_READ, MAP_PRIVATE, - input_fd, from - pg_offset); + mmap_fd, from - pg_offset); if (map == MAP_FAILED) - die("cannot mmap packfile '%s': %s", pack_name, strerror(errno)); + die("cannot mmap pack file: %s", strerror(errno)); data = xmalloc(obj->size); memset(&stream, 0, sizeof(stream)); stream.next_out = data; @@ -261,8 +324,8 @@ static int find_delta(const union delta_base *base) return -first-1; } -static int find_delta_childs(const union delta_base *base, - int *first_index, int *last_index) +static int find_delta_children(const union delta_base *base, + int *first_index, int *last_index) { int first = find_delta(base); int last = first; @@ -304,10 +367,9 @@ static void sha1_object(const void *data, unsigned long size, SHA1_Final(sha1, &ctx); } -static void resolve_delta(struct delta_entry *delta, void *base_data, +static void resolve_delta(struct object_entry *delta_obj, void *base_data, unsigned long base_size, enum object_type type) { - struct object_entry *obj = delta->obj; void *delta_data; unsigned long delta_size; void *result; @@ -315,29 +377,34 @@ static void resolve_delta(struct delta_entry *delta, void *base_data, union delta_base delta_base; int j, first, last; - obj->real_type = type; - delta_data = get_data_from_pack(obj); - delta_size = obj->size; + delta_obj->real_type = type; + delta_data = get_data_from_pack(delta_obj); + delta_size = delta_obj->size; result = patch_delta(base_data, base_size, delta_data, delta_size, &result_size); free(delta_data); if (!result) - bad_object(obj->offset, "failed to apply delta"); - sha1_object(result, result_size, type, obj->sha1); - - hashcpy(delta_base.sha1, obj->sha1); - if (!find_delta_childs(&delta_base, &first, &last)) { - for (j = first; j <= last; j++) - if (deltas[j].obj->type == OBJ_REF_DELTA) - resolve_delta(&deltas[j], result, result_size, type); + bad_object(delta_obj->offset, "failed to apply delta"); + sha1_object(result, result_size, type, delta_obj->sha1); + nr_resolved_deltas++; + + hashcpy(delta_base.sha1, delta_obj->sha1); + if (!find_delta_children(&delta_base, &first, &last)) { + for (j = first; j <= last; j++) { + struct object_entry *child = objects + deltas[j].obj_no; + if (child->real_type == OBJ_REF_DELTA) + resolve_delta(child, result, result_size, type); + } } memset(&delta_base, 0, sizeof(delta_base)); - delta_base.offset = obj->offset; - if (!find_delta_childs(&delta_base, &first, &last)) { - for (j = first; j <= last; j++) - if (deltas[j].obj->type == OBJ_OFS_DELTA) - resolve_delta(&deltas[j], result, result_size, type); + delta_base.offset = delta_obj->offset; + if (!find_delta_children(&delta_base, &first, &last)) { + for (j = first; j <= last; j++) { + struct object_entry *child = objects + deltas[j].obj_no; + if (child->real_type == OBJ_OFS_DELTA) + resolve_delta(child, result, result_size, type); + } } free(result); @@ -353,7 +420,7 @@ static int compare_delta_entry(const void *a, const void *b) /* Parse all objects and return the pack content SHA1 hash */ static void parse_pack_objects(unsigned char *sha1) { - int i; + int i, percent = -1; struct delta_entry *delta = deltas; void *data; struct stat st; @@ -362,34 +429,43 @@ static void parse_pack_objects(unsigned char *sha1) * First pass: * - find locations of all objects; * - calculate SHA1 of all non-delta objects; - * - remember base SHA1 for all deltas. + * - remember base (SHA1 or offset) for all deltas. */ + if (verbose) + fprintf(stderr, "Indexing %d objects.\n", nr_objects); for (i = 0; i < nr_objects; i++) { struct object_entry *obj = &objects[i]; data = unpack_raw_entry(obj, &delta->base); obj->real_type = obj->type; if (obj->type == OBJ_REF_DELTA || obj->type == OBJ_OFS_DELTA) { nr_deltas++; - delta->obj = obj; + delta->obj_no = i; delta++; } else sha1_object(data, obj->size, obj->type, obj->sha1); free(data); + if (verbose) + percent = display_progress(i+1, nr_objects, percent); } objects[i].offset = consumed_bytes; + if (verbose) + fputc('\n', stderr); /* Check pack integrity */ - SHA1_Update(&input_ctx, input_buffer, input_offset); + flush(); SHA1_Final(sha1, &input_ctx); if (hashcmp(fill(20), sha1)) - die("packfile '%s' SHA1 mismatch", pack_name); + die("pack is corrupted (SHA1 mismatch)"); use(20); /* If input_fd is a file, we should have reached its end now. */ if (fstat(input_fd, &st)) - die("cannot fstat packfile '%s': %s", pack_name, strerror(errno)); + die("cannot fstat packfile: %s", strerror(errno)); if (S_ISREG(st.st_mode) && st.st_size != consumed_bytes) - die("packfile '%s' has junk at the end", pack_name); + die("pack has junk at the end"); + + if (!nr_deltas) + return; /* Sort deltas by base SHA1/offset for fast searching */ qsort(deltas, nr_deltas, sizeof(struct delta_entry), @@ -403,6 +479,8 @@ static void parse_pack_objects(unsigned char *sha1) * recursively checking if the resulting object is used as a base * for some more deltas. */ + if (verbose) + fprintf(stderr, "Resolving %d deltas.\n", nr_deltas); for (i = 0; i < nr_objects; i++) { struct object_entry *obj = &objects[i]; union delta_base base; @@ -411,32 +489,179 @@ static void parse_pack_objects(unsigned char *sha1) if (obj->type == OBJ_REF_DELTA || obj->type == OBJ_OFS_DELTA) continue; hashcpy(base.sha1, obj->sha1); - ref = !find_delta_childs(&base, &ref_first, &ref_last); + ref = !find_delta_children(&base, &ref_first, &ref_last); memset(&base, 0, sizeof(base)); base.offset = obj->offset; - ofs = !find_delta_childs(&base, &ofs_first, &ofs_last); + ofs = !find_delta_children(&base, &ofs_first, &ofs_last); if (!ref && !ofs) continue; data = get_data_from_pack(obj); if (ref) - for (j = ref_first; j <= ref_last; j++) - if (deltas[j].obj->type == OBJ_REF_DELTA) - resolve_delta(&deltas[j], data, + for (j = ref_first; j <= ref_last; j++) { + struct object_entry *child = objects + deltas[j].obj_no; + if (child->real_type == OBJ_REF_DELTA) + resolve_delta(child, data, obj->size, obj->type); + } if (ofs) - for (j = ofs_first; j <= ofs_last; j++) - if (deltas[j].obj->type == OBJ_OFS_DELTA) - resolve_delta(&deltas[j], data, + for (j = ofs_first; j <= ofs_last; j++) { + struct object_entry *child = objects + deltas[j].obj_no; + if (child->real_type == OBJ_OFS_DELTA) + resolve_delta(child, data, obj->size, obj->type); + } free(data); + if (verbose) + percent = display_progress(nr_resolved_deltas, + nr_deltas, percent); + } + if (verbose && nr_resolved_deltas == nr_deltas) + fputc('\n', stderr); +} + +static int write_compressed(int fd, void *in, unsigned int size) +{ + z_stream stream; + unsigned long maxsize; + void *out; + + memset(&stream, 0, sizeof(stream)); + deflateInit(&stream, zlib_compression_level); + maxsize = deflateBound(&stream, size); + out = xmalloc(maxsize); + + /* Compress it */ + stream.next_in = in; + stream.avail_in = size; + stream.next_out = out; + stream.avail_out = maxsize; + while (deflate(&stream, Z_FINISH) == Z_OK); + deflateEnd(&stream); + + size = stream.total_out; + write_or_die(fd, out, size); + free(out); + return size; +} + +static void append_obj_to_pack(void *buf, + unsigned long size, enum object_type type) +{ + struct object_entry *obj = &objects[nr_objects++]; + unsigned char header[10]; + unsigned long s = size; + int n = 0; + unsigned char c = (type << 4) | (s & 15); + s >>= 4; + while (s) { + header[n++] = c | 0x80; + c = s & 0x7f; + s >>= 7; } + header[n++] = c; + write_or_die(output_fd, header, n); + obj[1].offset = obj[0].offset + n; + obj[1].offset += write_compressed(output_fd, buf, size); + sha1_object(buf, size, type, obj->sha1); +} + +static int delta_pos_compare(const void *_a, const void *_b) +{ + struct delta_entry *a = *(struct delta_entry **)_a; + struct delta_entry *b = *(struct delta_entry **)_b; + return a->obj_no - b->obj_no; +} + +static void fix_unresolved_deltas(int nr_unresolved) +{ + struct delta_entry **sorted_by_pos; + int i, n = 0, percent = -1; - /* Check for unresolved deltas */ + /* + * Since many unresolved deltas may well be themselves base objects + * for more unresolved deltas, we really want to include the + * smallest number of base objects that would cover as much delta + * as possible by picking the + * trunc deltas first, allowing for other deltas to resolve without + * additional base objects. Since most base objects are to be found + * before deltas depending on them, a good heuristic is to start + * resolving deltas in the same order as their position in the pack. + */ + sorted_by_pos = xmalloc(nr_unresolved * sizeof(*sorted_by_pos)); for (i = 0; i < nr_deltas; i++) { - if (deltas[i].obj->real_type == OBJ_REF_DELTA || - deltas[i].obj->real_type == OBJ_OFS_DELTA) - die("packfile '%s' has unresolved deltas", pack_name); + if (objects[deltas[i].obj_no].real_type != OBJ_REF_DELTA) + continue; + sorted_by_pos[n++] = &deltas[i]; + } + qsort(sorted_by_pos, n, sizeof(*sorted_by_pos), delta_pos_compare); + + for (i = 0; i < n; i++) { + struct delta_entry *d = sorted_by_pos[i]; + void *data; + unsigned long size; + char type[10]; + enum object_type obj_type; + int j, first, last; + + if (objects[d->obj_no].real_type != OBJ_REF_DELTA) + continue; + data = read_sha1_file(d->base.sha1, type, &size); + if (!data) + continue; + if (!strcmp(type, blob_type)) obj_type = OBJ_BLOB; + else if (!strcmp(type, tree_type)) obj_type = OBJ_TREE; + else if (!strcmp(type, commit_type)) obj_type = OBJ_COMMIT; + else if (!strcmp(type, tag_type)) obj_type = OBJ_TAG; + else die("base object %s is of type '%s'", + sha1_to_hex(d->base.sha1), type); + + find_delta_children(&d->base, &first, &last); + for (j = first; j <= last; j++) { + struct object_entry *child = objects + deltas[j].obj_no; + if (child->real_type == OBJ_REF_DELTA) + resolve_delta(child, data, size, obj_type); + } + + append_obj_to_pack(data, size, obj_type); + free(data); + if (verbose) + percent = display_progress(nr_resolved_deltas, + nr_deltas, percent); } + free(sorted_by_pos); + if (verbose) + fputc('\n', stderr); +} + +static void readjust_pack_header_and_sha1(unsigned char *sha1) +{ + struct pack_header hdr; + SHA_CTX ctx; + int size; + + /* Rewrite pack header with updated object number */ + if (lseek(output_fd, 0, SEEK_SET) != 0) + die("cannot seek back: %s", strerror(errno)); + if (xread(output_fd, &hdr, sizeof(hdr)) != sizeof(hdr)) + die("cannot read pack header back: %s", strerror(errno)); + hdr.hdr_entries = htonl(nr_objects); + if (lseek(output_fd, 0, SEEK_SET) != 0) + die("cannot seek back: %s", strerror(errno)); + write_or_die(output_fd, &hdr, sizeof(hdr)); + if (lseek(output_fd, 0, SEEK_SET) != 0) + die("cannot seek back: %s", strerror(errno)); + + /* Recompute and store the new pack's SHA1 */ + SHA1_Init(&ctx); + do { + unsigned char *buf[4096]; + size = xread(output_fd, buf, sizeof(buf)); + if (size < 0) + die("cannot read pack data back: %s", strerror(errno)); + SHA1_Update(&ctx, buf, size); + } while (size > 0); + SHA1_Final(sha1, &ctx); + write_or_die(output_fd, sha1, 20); } static int sha1_compare(const void *_a, const void *_b) @@ -450,12 +675,12 @@ static int sha1_compare(const void *_a, const void *_b) * On entry *sha1 contains the pack content SHA1 hash, on exit it is * the SHA1 hash of sorted object names. */ -static void write_index_file(const char *index_name, unsigned char *sha1) +static const char *write_index_file(const char *index_name, unsigned char *sha1) { struct sha1file *f; struct object_entry **sorted_by_sha, **list, **last; unsigned int array[256]; - int i; + int i, fd; SHA_CTX ctx; if (nr_objects) { @@ -472,8 +697,19 @@ static void write_index_file(const char *index_name, unsigned char *sha1) else sorted_by_sha = list = last = NULL; - unlink(index_name); - f = sha1create("%s", index_name); + if (!index_name) { + static char tmpfile[PATH_MAX]; + snprintf(tmpfile, sizeof(tmpfile), + "%s/index_XXXXXX", get_object_directory()); + fd = mkstemp(tmpfile); + index_name = xstrdup(tmpfile); + } else { + unlink(index_name); + fd = open(index_name, O_CREAT|O_EXCL|O_WRONLY, 0600); + } + if (fd < 0) + die("unable to create %s: %s", index_name, strerror(errno)); + f = sha1fd(fd, index_name); /* * Write the first-level table (the list is sorted, @@ -513,20 +749,128 @@ static void write_index_file(const char *index_name, unsigned char *sha1) sha1close(f, NULL, 1); free(sorted_by_sha); SHA1_Final(sha1, &ctx); + return index_name; +} + +static void final(const char *final_pack_name, const char *curr_pack_name, + const char *final_index_name, const char *curr_index_name, + const char *keep_name, const char *keep_msg, + unsigned char *sha1) +{ + char *report = "pack"; + char name[PATH_MAX]; + int err; + + if (!from_stdin) { + close(input_fd); + } else { + err = close(output_fd); + if (err) + die("error while closing pack file: %s", strerror(errno)); + chmod(curr_pack_name, 0444); + } + + if (keep_msg) { + int keep_fd, keep_msg_len = strlen(keep_msg); + if (!keep_name) { + snprintf(name, sizeof(name), "%s/pack/pack-%s.keep", + get_object_directory(), sha1_to_hex(sha1)); + keep_name = name; + } + keep_fd = open(keep_name, O_RDWR|O_CREAT|O_EXCL, 0600); + if (keep_fd < 0) { + if (errno != EEXIST) + die("cannot write keep file"); + } else { + if (keep_msg_len > 0) { + write_or_die(keep_fd, keep_msg, keep_msg_len); + write_or_die(keep_fd, "\n", 1); + } + close(keep_fd); + report = "keep"; + } + } + + if (final_pack_name != curr_pack_name) { + if (!final_pack_name) { + snprintf(name, sizeof(name), "%s/pack/pack-%s.pack", + get_object_directory(), sha1_to_hex(sha1)); + final_pack_name = name; + } + if (move_temp_to_file(curr_pack_name, final_pack_name)) + die("cannot store pack file"); + } + + chmod(curr_index_name, 0444); + if (final_index_name != curr_index_name) { + if (!final_index_name) { + snprintf(name, sizeof(name), "%s/pack/pack-%s.idx", + get_object_directory(), sha1_to_hex(sha1)); + final_index_name = name; + } + if (move_temp_to_file(curr_index_name, final_index_name)) + die("cannot store index file"); + } + + if (!from_stdin) { + printf("%s\n", sha1_to_hex(sha1)); + } else { + char buf[48]; + int len = snprintf(buf, sizeof(buf), "%s\t%s\n", + report, sha1_to_hex(sha1)); + xwrite(1, buf, len); + + /* + * Let's just mimic git-unpack-objects here and write + * the last part of the input buffer to stdout. + */ + while (input_len) { + err = xwrite(1, input_buffer + input_offset, input_len); + if (err <= 0) + break; + input_len -= err; + input_offset += err; + } + } } int main(int argc, char **argv) { - int i; - char *index_name = NULL; - char *index_name_buf = NULL; + int i, fix_thin_pack = 0; + const char *curr_pack, *pack_name = NULL; + const char *curr_index, *index_name = NULL; + const char *keep_name = NULL, *keep_msg = NULL; + char *index_name_buf = NULL, *keep_name_buf = NULL; unsigned char sha1[20]; for (i = 1; i < argc; i++) { const char *arg = argv[i]; if (*arg == '-') { - if (!strcmp(arg, "-o")) { + if (!strcmp(arg, "--stdin")) { + from_stdin = 1; + } else if (!strcmp(arg, "--fix-thin")) { + fix_thin_pack = 1; + } else if (!strcmp(arg, "--keep")) { + keep_msg = ""; + } else if (!strncmp(arg, "--keep=", 7)) { + keep_msg = arg + 7; + } else if (!strncmp(arg, "--pack_header=", 14)) { + struct pack_header *hdr; + char *c; + + hdr = (struct pack_header *)input_buffer; + hdr->hdr_signature = htonl(PACK_SIGNATURE); + hdr->hdr_version = htonl(strtoul(arg + 14, &c, 10)); + if (*c != ',') + die("bad %s", arg); + hdr->hdr_entries = htonl(strtoul(c + 1, &c, 10)); + if (*c) + die("bad %s", arg); + input_len = sizeof(*hdr); + } else if (!strcmp(arg, "-v")) { + verbose = 1; + } else if (!strcmp(arg, "-o")) { if (index_name || (i+1) >= argc) usage(index_pack_usage); index_name = argv[++i]; @@ -540,9 +884,11 @@ int main(int argc, char **argv) pack_name = arg; } - if (!pack_name) + if (!pack_name && !from_stdin) usage(index_pack_usage); - if (!index_name) { + if (fix_thin_pack && !from_stdin) + die("--fix-thin cannot be used without --stdin"); + if (!index_name && pack_name) { int len = strlen(pack_name); if (!has_extension(pack_name, ".pack")) die("packfile name '%s' does not end with '.pack'", @@ -552,18 +898,55 @@ int main(int argc, char **argv) strcpy(index_name_buf + len - 5, ".idx"); index_name = index_name_buf; } + if (keep_msg && !keep_name && pack_name) { + int len = strlen(pack_name); + if (!has_extension(pack_name, ".pack")) + die("packfile name '%s' does not end with '.pack'", + pack_name); + keep_name_buf = xmalloc(len); + memcpy(keep_name_buf, pack_name, len - 5); + strcpy(keep_name_buf + len - 5, ".keep"); + keep_name = keep_name_buf; + } - open_pack_file(); + curr_pack = open_pack_file(pack_name); parse_pack_header(); - objects = xcalloc(nr_objects + 1, sizeof(struct object_entry)); - deltas = xcalloc(nr_objects, sizeof(struct delta_entry)); + objects = xmalloc((nr_objects + 1) * sizeof(struct object_entry)); + deltas = xmalloc(nr_objects * sizeof(struct delta_entry)); + if (verbose) + setup_progress_signal(); parse_pack_objects(sha1); + if (nr_deltas != nr_resolved_deltas) { + if (fix_thin_pack) { + int nr_unresolved = nr_deltas - nr_resolved_deltas; + int nr_objects_initial = nr_objects; + if (nr_unresolved <= 0) + die("confusion beyond insanity"); + objects = xrealloc(objects, + (nr_objects + nr_unresolved + 1) + * sizeof(*objects)); + fix_unresolved_deltas(nr_unresolved); + if (verbose) + fprintf(stderr, "%d objects were added to complete this thin pack.\n", + nr_objects - nr_objects_initial); + readjust_pack_header_and_sha1(sha1); + } + if (nr_deltas != nr_resolved_deltas) + die("pack has %d unresolved deltas", + nr_deltas - nr_resolved_deltas); + } else { + /* Flush remaining pack final 20-byte SHA1. */ + flush(); + } free(deltas); - write_index_file(index_name, sha1); + curr_index = write_index_file(index_name, sha1); + final(pack_name, curr_pack, + index_name, curr_index, + keep_name, keep_msg, + sha1); free(objects); free(index_name_buf); - - printf("%s\n", sha1_to_hex(sha1)); + free(keep_name_buf); return 0; } diff --git a/log-tree.c b/log-tree.c index fbe139920a..8787df5cc6 100644 --- a/log-tree.c +++ b/log-tree.c @@ -252,26 +252,6 @@ int log_tree_diff_flush(struct rev_info *opt) return 1; } -static int diff_root_tree(struct rev_info *opt, - const unsigned char *new, const char *base) -{ - int retval; - void *tree; - struct tree_desc empty, real; - - tree = read_object_with_reference(new, tree_type, &real.size, NULL); - if (!tree) - die("unable to read root tree (%s)", sha1_to_hex(new)); - real.buf = tree; - - empty.buf = ""; - empty.size = 0; - retval = diff_tree(&empty, &real, base, &opt->diffopt); - free(tree); - log_tree_diff_flush(opt); - return retval; -} - static int do_diff_combined(struct rev_info *opt, struct commit *commit) { unsigned const char *sha1 = commit->object.sha1; @@ -297,8 +277,10 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log /* Root commit? */ parents = commit->parents; if (!parents) { - if (opt->show_root_diff) - diff_root_tree(opt, sha1, ""); + if (opt->show_root_diff) { + diff_root_tree_sha1(sha1, "", &opt->diffopt); + log_tree_diff_flush(opt); + } return !opt->loginfo; } diff --git a/merge-recursive.c b/merge-recursive.c index cdc2f780a2..cd2cc77bf4 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -1308,6 +1308,7 @@ int main(int argc, char *argv[]) const char *branch1, *branch2; struct commit *result, *h1, *h2; + git_config(git_default_config); /* core.filemode */ original_index_file = getenv("GIT_INDEX_FILE"); if (!original_index_file) @@ -279,7 +279,7 @@ int adjust_shared_perm(const char *path) : 0)); if (S_ISDIR(mode)) mode |= S_ISGID; - if (chmod(path, mode) < 0) + if ((mode & st.st_mode) != mode && chmod(path, mode) < 0) return -2; return 0; } @@ -209,7 +209,7 @@ static int quote_c_style_counted(const char *name, int namelen, if (!ch) break; if ((ch < ' ') || (ch == '"') || (ch == '\\') || - (ch == 0177)) { + (ch >= 0177)) { needquote = 1; switch (ch) { case '\a': EMITQ(); ch = 'a'; break; diff --git a/receive-pack.c b/receive-pack.c index ea2dbd4e33..d56898c9b2 100644 --- a/receive-pack.c +++ b/receive-pack.c @@ -1,20 +1,42 @@ #include "cache.h" +#include "pack.h" #include "refs.h" #include "pkt-line.h" #include "run-command.h" +#include "exec_cmd.h" #include "commit.h" #include "object.h" +#include <sys/wait.h> static const char receive_pack_usage[] = "git-receive-pack <git-dir>"; -static const char *unpacker[] = { "unpack-objects", NULL }; - +static int deny_non_fast_forwards = 0; +static int unpack_limit = 5000; static int report_status; static char capabilities[] = "report-status"; static int capabilities_sent; -static int show_ref(const char *path, const unsigned char *sha1) +static int receive_pack_config(const char *var, const char *value) +{ + git_default_config(var, value); + + if (strcmp(var, "receive.denynonfastforwards") == 0) + { + deny_non_fast_forwards = git_config_bool(var, value); + return 0; + } + + if (strcmp(var, "receive.unpacklimit") == 0) + { + unpack_limit = git_config_int(var, value); + return 0; + } + + return 0; +} + +static int show_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data) { if (capabilities_sent) packet_write(1, "%s %s\n", sha1_to_hex(sha1), path); @@ -27,9 +49,9 @@ static int show_ref(const char *path, const unsigned char *sha1) static void write_head_info(void) { - for_each_ref(show_ref); + for_each_ref(show_ref, NULL); if (!capabilities_sent) - show_ref("capabilities^{}", null_sha1); + show_ref("capabilities^{}", null_sha1, 0, NULL); } @@ -43,34 +65,6 @@ struct command { static struct command *commands; -static int is_all_zeroes(const char *hex) -{ - int i; - for (i = 0; i < 40; i++) - if (*hex++ != '0') - return 0; - return 1; -} - -static int verify_old_ref(const char *name, char *hex_contents) -{ - int fd, ret; - char buffer[60]; - - if (is_all_zeroes(hex_contents)) - return 0; - fd = open(name, O_RDONLY); - if (fd < 0) - return -1; - ret = read(fd, buffer, 40); - close(fd); - if (ret != 40) - return -1; - if (memcmp(buffer, hex_contents, 40)) - return -1; - return 0; -} - static char update_hook[] = "hooks/update"; static int run_update_hook(const char *refname, @@ -107,8 +101,8 @@ static int update(struct command *cmd) const char *name = cmd->ref_name; unsigned char *old_sha1 = cmd->old_sha1; unsigned char *new_sha1 = cmd->new_sha1; - char new_hex[60], *old_hex, *lock_name; - int newfd, namelen, written; + char new_hex[41], old_hex[41]; + struct ref_lock *lock; cmd->error_string = NULL; if (!strncmp(name, "refs/", 5) && check_ref_format(name + 5)) { @@ -117,13 +111,8 @@ static int update(struct command *cmd) name); } - namelen = strlen(name); - lock_name = xmalloc(namelen + 10); - memcpy(lock_name, name, namelen); - memcpy(lock_name + namelen, ".lock", 6); - strcpy(new_hex, sha1_to_hex(new_sha1)); - old_hex = sha1_to_hex(old_sha1); + strcpy(old_hex, sha1_to_hex(old_sha1)); if (!has_sha1_file(new_sha1)) { cmd->error_string = "bad pack"; return error("unpack should have generated %s, " @@ -144,47 +133,20 @@ static int update(struct command *cmd) return error("denying non-fast forward;" " you should pull first"); } - safe_create_leading_directories(lock_name); - - newfd = open(lock_name, O_CREAT | O_EXCL | O_WRONLY, 0666); - if (newfd < 0) { - cmd->error_string = "can't lock"; - return error("unable to create %s (%s)", - lock_name, strerror(errno)); - } - - /* Write the ref with an ending '\n' */ - new_hex[40] = '\n'; - new_hex[41] = 0; - written = write(newfd, new_hex, 41); - /* Remove the '\n' again */ - new_hex[40] = 0; - - close(newfd); - if (written != 41) { - unlink(lock_name); - cmd->error_string = "can't write"; - return error("unable to write %s", lock_name); - } - if (verify_old_ref(name, old_hex) < 0) { - unlink(lock_name); - cmd->error_string = "raced"; - return error("%s changed during push", name); - } if (run_update_hook(name, old_hex, new_hex)) { - unlink(lock_name); cmd->error_string = "hook declined"; return error("hook declined to update %s", name); } - else if (rename(lock_name, name) < 0) { - unlink(lock_name); - cmd->error_string = "can't rename"; - return error("unable to replace %s", name); - } - else { - fprintf(stderr, "%s: %s -> %s\n", name, old_hex, new_hex); - return 0; + + lock = lock_any_ref_for_update(name, old_sha1); + if (!lock) { + cmd->error_string = "failed to lock"; + return error("failed to lock %s", name); } + write_ref_sha1(lock, new_sha1, "push"); + + fprintf(stderr, "%s: %s -> %s\n", name, old_hex, new_hex); + return 0; } static char update_post_hook[] = "hooks/post-update"; @@ -273,29 +235,127 @@ static void read_head_info(void) } } -static const char *unpack(int *error_code) +static const char *parse_pack_header(struct pack_header *hdr) { - int code = run_command_v_opt(1, unpacker, RUN_GIT_CMD); + char *c = (char*)hdr; + ssize_t remaining = sizeof(struct pack_header); + do { + ssize_t r = xread(0, c, remaining); + if (r <= 0) + return "eof before pack header was fully read"; + remaining -= r; + c += r; + } while (remaining > 0); + if (hdr->hdr_signature != htonl(PACK_SIGNATURE)) + return "protocol error (pack signature mismatch detected)"; + if (!pack_version_ok(hdr->hdr_version)) + return "protocol error (pack version unsupported)"; + return NULL; +} - *error_code = 0; - switch (code) { - case 0: - return NULL; - case -ERR_RUN_COMMAND_FORK: - return "unpack fork failed"; - case -ERR_RUN_COMMAND_EXEC: - return "unpack execute failed"; - case -ERR_RUN_COMMAND_WAITPID: - return "waitpid failed"; - case -ERR_RUN_COMMAND_WAITPID_WRONG_PID: - return "waitpid is confused"; - case -ERR_RUN_COMMAND_WAITPID_SIGNAL: - return "unpacker died of signal"; - case -ERR_RUN_COMMAND_WAITPID_NOEXIT: - return "unpacker died strangely"; - default: - *error_code = -code; - return "unpacker exited with error code"; +static const char *pack_lockfile; + +static const char *unpack(void) +{ + struct pack_header hdr; + const char *hdr_err; + char hdr_arg[38]; + + hdr_err = parse_pack_header(&hdr); + if (hdr_err) + return hdr_err; + snprintf(hdr_arg, sizeof(hdr_arg), "--pack_header=%u,%u", + ntohl(hdr.hdr_version), ntohl(hdr.hdr_entries)); + + if (ntohl(hdr.hdr_entries) < unpack_limit) { + int code; + const char *unpacker[3]; + unpacker[0] = "unpack-objects"; + unpacker[1] = hdr_arg; + unpacker[2] = NULL; + code = run_command_v_opt(1, unpacker, RUN_GIT_CMD); + switch (code) { + case 0: + return NULL; + case -ERR_RUN_COMMAND_FORK: + return "unpack fork failed"; + case -ERR_RUN_COMMAND_EXEC: + return "unpack execute failed"; + case -ERR_RUN_COMMAND_WAITPID: + return "waitpid failed"; + case -ERR_RUN_COMMAND_WAITPID_WRONG_PID: + return "waitpid is confused"; + case -ERR_RUN_COMMAND_WAITPID_SIGNAL: + return "unpacker died of signal"; + case -ERR_RUN_COMMAND_WAITPID_NOEXIT: + return "unpacker died strangely"; + default: + return "unpacker exited with error code"; + } + } else { + const char *keeper[6]; + int fd[2], s, len, status; + pid_t pid; + char keep_arg[256]; + char packname[46]; + + s = sprintf(keep_arg, "--keep=receive-pack %i on ", getpid()); + if (gethostname(keep_arg + s, sizeof(keep_arg) - s)) + strcpy(keep_arg + s, "localhost"); + + keeper[0] = "index-pack"; + keeper[1] = "--stdin"; + keeper[2] = "--fix-thin"; + keeper[3] = hdr_arg; + keeper[4] = keep_arg; + keeper[5] = NULL; + + if (pipe(fd) < 0) + return "index-pack pipe failed"; + pid = fork(); + if (pid < 0) + return "index-pack fork failed"; + if (!pid) { + dup2(fd[1], 1); + close(fd[1]); + close(fd[0]); + execv_git_cmd(keeper); + die("execv of index-pack failed"); + } + close(fd[1]); + + /* + * The first thing we expects from index-pack's output + * is "pack\t%40s\n" or "keep\t%40s\n" (46 bytes) where + * %40s is the newly created pack SHA1 name. In the "keep" + * case, we need it to remove the corresponding .keep file + * later on. If we don't get that then tough luck with it. + */ + for (len = 0; + len < 46 && (s = xread(fd[0], packname+len, 46-len)) > 0; + len += s); + close(fd[0]); + if (len == 46 && packname[45] == '\n' && + memcmp(packname, "keep\t", 5) == 0) { + char path[PATH_MAX]; + packname[45] = 0; + snprintf(path, sizeof(path), "%s/pack/pack-%s.keep", + get_object_directory(), packname + 5); + pack_lockfile = xstrdup(path); + } + + /* Then wrap our index-pack process. */ + while (waitpid(pid, &status, 0) < 0) + if (errno != EINTR) + return "waitpid failed"; + if (WIFEXITED(status)) { + int code = WEXITSTATUS(status); + if (code) + return "index-pack exited with error code"; + reprepare_packed_git(); + return NULL; + } + return "index-pack abnormal exit"; } } @@ -335,9 +395,12 @@ int main(int argc, char **argv) if (!dir) usage(receive_pack_usage); - if(!enter_repo(dir, 0)) + if (!enter_repo(dir, 0)) die("'%s': unable to chdir or not a git archive", dir); + setup_ident(); + git_config(receive_pack_config); + write_head_info(); /* EOF */ @@ -345,10 +408,11 @@ int main(int argc, char **argv) read_head_info(); if (commands) { - int code; - const char *unpack_status = unpack(&code); + const char *unpack_status = unpack(); if (!unpack_status) execute_commands(); + if (pack_lockfile) + unlink(pack_lockfile); if (report_status) report(unpack_status); } @@ -3,15 +3,193 @@ #include <errno.h> +struct ref_list { + struct ref_list *next; + unsigned char flag; /* ISSYMREF? ISPACKED? */ + unsigned char sha1[20]; + char name[FLEX_ARRAY]; +}; + +static const char *parse_ref_line(char *line, unsigned char *sha1) +{ + /* + * 42: the answer to everything. + * + * In this case, it happens to be the answer to + * 40 (length of sha1 hex representation) + * +1 (space in between hex and name) + * +1 (newline at the end of the line) + */ + int len = strlen(line) - 42; + + if (len <= 0) + return NULL; + if (get_sha1_hex(line, sha1) < 0) + return NULL; + if (!isspace(line[40])) + return NULL; + line += 41; + if (isspace(*line)) + return NULL; + if (line[len] != '\n') + return NULL; + line[len] = 0; + return line; +} + +static struct ref_list *add_ref(const char *name, const unsigned char *sha1, + int flag, struct ref_list *list) +{ + int len; + struct ref_list **p = &list, *entry; + + /* Find the place to insert the ref into.. */ + while ((entry = *p) != NULL) { + int cmp = strcmp(entry->name, name); + if (cmp > 0) + break; + + /* Same as existing entry? */ + if (!cmp) + return list; + p = &entry->next; + } + + /* Allocate it and add it in.. */ + len = strlen(name) + 1; + entry = xmalloc(sizeof(struct ref_list) + len); + hashcpy(entry->sha1, sha1); + memcpy(entry->name, name, len); + entry->flag = flag; + entry->next = *p; + *p = entry; + return list; +} + +/* + * Future: need to be in "struct repository" + * when doing a full libification. + */ +struct cached_refs { + char did_loose; + char did_packed; + struct ref_list *loose; + struct ref_list *packed; +} cached_refs; + +static void free_ref_list(struct ref_list *list) +{ + struct ref_list *next; + for ( ; list; list = next) { + next = list->next; + free(list); + } +} + +static void invalidate_cached_refs(void) +{ + struct cached_refs *ca = &cached_refs; + + if (ca->did_loose && ca->loose) + free_ref_list(ca->loose); + if (ca->did_packed && ca->packed) + free_ref_list(ca->packed); + ca->loose = ca->packed = NULL; + ca->did_loose = ca->did_packed = 0; +} + +static struct ref_list *get_packed_refs(void) +{ + if (!cached_refs.did_packed) { + struct ref_list *refs = NULL; + FILE *f = fopen(git_path("packed-refs"), "r"); + if (f) { + struct ref_list *list = NULL; + char refline[PATH_MAX]; + while (fgets(refline, sizeof(refline), f)) { + unsigned char sha1[20]; + const char *name = parse_ref_line(refline, sha1); + if (!name) + continue; + list = add_ref(name, sha1, REF_ISPACKED, list); + } + fclose(f); + refs = list; + } + cached_refs.packed = refs; + cached_refs.did_packed = 1; + } + return cached_refs.packed; +} + +static struct ref_list *get_ref_dir(const char *base, struct ref_list *list) +{ + DIR *dir = opendir(git_path("%s", base)); + + if (dir) { + struct dirent *de; + int baselen = strlen(base); + char *ref = xmalloc(baselen + 257); + + memcpy(ref, base, baselen); + if (baselen && base[baselen-1] != '/') + ref[baselen++] = '/'; + + while ((de = readdir(dir)) != NULL) { + unsigned char sha1[20]; + struct stat st; + int flag; + int namelen; + + if (de->d_name[0] == '.') + continue; + namelen = strlen(de->d_name); + if (namelen > 255) + continue; + if (has_extension(de->d_name, ".lock")) + continue; + memcpy(ref + baselen, de->d_name, namelen+1); + if (stat(git_path("%s", ref), &st) < 0) + continue; + if (S_ISDIR(st.st_mode)) { + list = get_ref_dir(ref, list); + continue; + } + if (!resolve_ref(ref, sha1, 1, &flag)) { + error("%s points nowhere!", ref); + continue; + } + list = add_ref(ref, sha1, flag, list); + } + free(ref); + closedir(dir); + } + return list; +} + +static struct ref_list *get_loose_refs(void) +{ + if (!cached_refs.did_loose) { + cached_refs.loose = get_ref_dir("refs", NULL); + cached_refs.did_loose = 1; + } + return cached_refs.loose; +} + /* We allow "recursive" symbolic refs. Only within reason, though */ #define MAXDEPTH 5 -const char *resolve_ref(const char *path, unsigned char *sha1, int reading) +const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *flag) { int depth = MAXDEPTH, len; char buffer[256]; + static char ref_buffer[256]; + + if (flag) + *flag = 0; for (;;) { + const char *path = git_path("%s", ref); struct stat st; char *buf; int fd; @@ -27,17 +205,31 @@ const char *resolve_ref(const char *path, unsigned char *sha1, int reading) * reading. */ if (lstat(path, &st) < 0) { + struct ref_list *list = get_packed_refs(); + while (list) { + if (!strcmp(ref, list->name)) { + hashcpy(sha1, list->sha1); + if (flag) + *flag |= REF_ISPACKED; + return ref; + } + list = list->next; + } if (reading || errno != ENOENT) return NULL; hashclr(sha1); - return path; + return ref; } /* Follow "normalized" - ie "refs/.." symlinks by hand */ if (S_ISLNK(st.st_mode)) { len = readlink(path, buffer, sizeof(buffer)-1); if (len >= 5 && !memcmp("refs/", buffer, 5)) { - path = git_path("%.*s", len, buffer); + buffer[len] = 0; + strcpy(ref_buffer, buffer); + ref = ref_buffer; + if (flag) + *flag |= REF_ISSYMREF; continue; } } @@ -68,19 +260,24 @@ const char *resolve_ref(const char *path, unsigned char *sha1, int reading) while (len && isspace(*buf)) buf++, len--; while (len && isspace(buf[len-1])) - buf[--len] = 0; - path = git_path("%.*s", len, buf); + len--; + buf[len] = 0; + memcpy(ref_buffer, buf, len + 1); + ref = ref_buffer; + if (flag) + *flag |= REF_ISSYMREF; } if (len < 40 || get_sha1_hex(buffer, sha1)) return NULL; - return path; + return ref; } -int create_symref(const char *git_HEAD, const char *refs_heads_master) +int create_symref(const char *ref_target, const char *refs_heads_master) { const char *lockpath; char ref[1000]; int fd, len, written; + const char *git_HEAD = git_path("%s", ref_target); #ifndef NO_SYMLINK_HEAD if (prefer_symlink_refs) { @@ -118,104 +315,101 @@ int create_symref(const char *git_HEAD, const char *refs_heads_master) return 0; } -int read_ref(const char *filename, unsigned char *sha1) +int read_ref(const char *ref, unsigned char *sha1) { - if (resolve_ref(filename, sha1, 1)) + if (resolve_ref(ref, sha1, 1, NULL)) return 0; return -1; } -static int do_for_each_ref(const char *base, int (*fn)(const char *path, const unsigned char *sha1), int trim) +static int do_for_each_ref(const char *base, each_ref_fn fn, int trim, + void *cb_data) { - int retval = 0; - DIR *dir = opendir(git_path("%s", base)); - - if (dir) { - struct dirent *de; - int baselen = strlen(base); - char *path = xmalloc(baselen + 257); - - if (!strncmp(base, "./", 2)) { - base += 2; - baselen -= 2; + int retval; + struct ref_list *packed = get_packed_refs(); + struct ref_list *loose = get_loose_refs(); + + while (packed && loose) { + struct ref_list *entry; + int cmp = strcmp(packed->name, loose->name); + if (!cmp) { + packed = packed->next; + continue; } - memcpy(path, base, baselen); - if (baselen && base[baselen-1] != '/') - path[baselen++] = '/'; - - while ((de = readdir(dir)) != NULL) { - unsigned char sha1[20]; - struct stat st; - int namelen; + if (cmp > 0) { + entry = loose; + loose = loose->next; + } else { + entry = packed; + packed = packed->next; + } + if (strncmp(base, entry->name, trim)) + continue; + if (is_null_sha1(entry->sha1)) + continue; + if (!has_sha1_file(entry->sha1)) { + error("%s does not point to a valid object!", entry->name); + continue; + } + retval = fn(entry->name + trim, entry->sha1, + entry->flag, cb_data); + if (retval) + return retval; + } - if (de->d_name[0] == '.') - continue; - namelen = strlen(de->d_name); - if (namelen > 255) - continue; - if (has_extension(de->d_name, ".lock")) - continue; - memcpy(path + baselen, de->d_name, namelen+1); - if (stat(git_path("%s", path), &st) < 0) - continue; - if (S_ISDIR(st.st_mode)) { - retval = do_for_each_ref(path, fn, trim); - if (retval) - break; - continue; - } - if (read_ref(git_path("%s", path), sha1) < 0) { - error("%s points nowhere!", path); - continue; - } - if (!has_sha1_file(sha1)) { - error("%s does not point to a valid " - "commit object!", path); - continue; - } - retval = fn(path + trim, sha1); + packed = packed ? packed : loose; + while (packed) { + if (!strncmp(base, packed->name, trim)) { + retval = fn(packed->name + trim, packed->sha1, + packed->flag, cb_data); if (retval) - break; + return retval; } - free(path); - closedir(dir); + packed = packed->next; } - return retval; + return 0; } -int head_ref(int (*fn)(const char *path, const unsigned char *sha1)) +int head_ref(each_ref_fn fn, void *cb_data) { unsigned char sha1[20]; - if (!read_ref(git_path("HEAD"), sha1)) - return fn("HEAD", sha1); + int flag; + + if (resolve_ref("HEAD", sha1, 1, &flag)) + return fn("HEAD", sha1, flag, cb_data); return 0; } -int for_each_ref(int (*fn)(const char *path, const unsigned char *sha1)) +int for_each_ref(each_ref_fn fn, void *cb_data) { - return do_for_each_ref("refs", fn, 0); + return do_for_each_ref("refs/", fn, 0, cb_data); } -int for_each_tag_ref(int (*fn)(const char *path, const unsigned char *sha1)) +int for_each_tag_ref(each_ref_fn fn, void *cb_data) { - return do_for_each_ref("refs/tags", fn, 10); + return do_for_each_ref("refs/tags/", fn, 10, cb_data); } -int for_each_branch_ref(int (*fn)(const char *path, const unsigned char *sha1)) +int for_each_branch_ref(each_ref_fn fn, void *cb_data) { - return do_for_each_ref("refs/heads", fn, 11); + return do_for_each_ref("refs/heads/", fn, 11, cb_data); } -int for_each_remote_ref(int (*fn)(const char *path, const unsigned char *sha1)) +int for_each_remote_ref(each_ref_fn fn, void *cb_data) { - return do_for_each_ref("refs/remotes", fn, 13); + return do_for_each_ref("refs/remotes/", fn, 13, cb_data); } +/* NEEDSWORK: This is only used by ssh-upload and it should go; the + * caller should do resolve_ref or read_ref like everybody else. Or + * maybe everybody else should use get_ref_sha1() instead of doing + * read_ref(). + */ int get_ref_sha1(const char *ref, unsigned char *sha1) { if (check_ref_format(ref)) return -1; - return read_ref(git_path("refs/%s", ref), sha1); + return read_ref(mkpath("refs/%s", ref), sha1); } /* @@ -273,22 +467,13 @@ int check_ref_format(const char *ref) static struct ref_lock *verify_lock(struct ref_lock *lock, const unsigned char *old_sha1, int mustexist) { - char buf[40]; - int nr, fd = open(lock->ref_file, O_RDONLY); - if (fd < 0 && (mustexist || errno != ENOENT)) { - error("Can't verify ref %s", lock->ref_file); - unlock_ref(lock); - return NULL; - } - nr = read(fd, buf, 40); - close(fd); - if (nr != 40 || get_sha1_hex(buf, lock->old_sha1) < 0) { - error("Can't verify ref %s", lock->ref_file); + if (!resolve_ref(lock->ref_name, lock->old_sha1, mustexist, NULL)) { + error("Can't verify ref %s", lock->ref_name); unlock_ref(lock); return NULL; } if (hashcmp(lock->old_sha1, old_sha1)) { - error("Ref %s is at %s but expected %s", lock->ref_file, + error("Ref %s is at %s but expected %s", lock->ref_name, sha1_to_hex(lock->old_sha1), sha1_to_hex(old_sha1)); unlock_ref(lock); return NULL; @@ -296,54 +481,223 @@ static struct ref_lock *verify_lock(struct ref_lock *lock, return lock; } -static struct ref_lock *lock_ref_sha1_basic(const char *path, - int plen, - const unsigned char *old_sha1, int mustexist) +static int remove_empty_dir_recursive(char *path, int len) +{ + DIR *dir = opendir(path); + struct dirent *e; + int ret = 0; + + if (!dir) + return -1; + if (path[len-1] != '/') + path[len++] = '/'; + while ((e = readdir(dir)) != NULL) { + struct stat st; + int namlen; + if ((e->d_name[0] == '.') && + ((e->d_name[1] == 0) || + ((e->d_name[1] == '.') && e->d_name[2] == 0))) + continue; /* "." and ".." */ + + namlen = strlen(e->d_name); + if ((len + namlen < PATH_MAX) && + strcpy(path + len, e->d_name) && + !lstat(path, &st) && + S_ISDIR(st.st_mode) && + !remove_empty_dir_recursive(path, len + namlen)) + continue; /* happy */ + + /* path too long, stat fails, or non-directory still exists */ + ret = -1; + break; + } + closedir(dir); + if (!ret) { + path[len] = 0; + ret = rmdir(path); + } + return ret; +} + +static int remove_empty_directories(char *file) { - const char *orig_path = path; + /* we want to create a file but there is a directory there; + * if that is an empty directory (or a directory that contains + * only empty directories), remove them. + */ + char path[PATH_MAX]; + int len = strlen(file); + + if (len >= PATH_MAX) /* path too long ;-) */ + return -1; + strcpy(path, file); + return remove_empty_dir_recursive(path, len); +} + +static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char *old_sha1, int *flag) +{ + char *ref_file; + const char *orig_ref = ref; struct ref_lock *lock; struct stat st; + int last_errno = 0; + int mustexist = (old_sha1 && !is_null_sha1(old_sha1)); lock = xcalloc(1, sizeof(struct ref_lock)); lock->lock_fd = -1; - plen = strlen(path) - plen; - path = resolve_ref(path, lock->old_sha1, mustexist); - if (!path) { - int last_errno = errno; + ref = resolve_ref(ref, lock->old_sha1, mustexist, flag); + if (!ref && errno == EISDIR) { + /* we are trying to lock foo but we used to + * have foo/bar which now does not exist; + * it is normal for the empty directory 'foo' + * to remain. + */ + ref_file = git_path("%s", orig_ref); + if (remove_empty_directories(ref_file)) { + last_errno = errno; + error("there are still refs under '%s'", orig_ref); + goto error_return; + } + ref = resolve_ref(orig_ref, lock->old_sha1, mustexist, flag); + } + if (!ref) { + last_errno = errno; error("unable to resolve reference %s: %s", - orig_path, strerror(errno)); - unlock_ref(lock); - errno = last_errno; - return NULL; + orig_ref, strerror(errno)); + goto error_return; + } + if (is_null_sha1(lock->old_sha1)) { + /* The ref did not exist and we are creating it. + * Make sure there is no existing ref that is packed + * whose name begins with our refname, nor a ref whose + * name is a proper prefix of our refname. + */ + int namlen = strlen(ref); /* e.g. 'foo/bar' */ + struct ref_list *list = get_packed_refs(); + while (list) { + /* list->name could be 'foo' or 'foo/bar/baz' */ + int len = strlen(list->name); + int cmplen = (namlen < len) ? namlen : len; + const char *lead = (namlen < len) ? list->name : ref; + + if (!strncmp(ref, list->name, cmplen) && + lead[cmplen] == '/') { + error("'%s' exists; cannot create '%s'", + list->name, ref); + goto error_return; + } + list = list->next; + } } + lock->lk = xcalloc(1, sizeof(struct lock_file)); - lock->ref_file = xstrdup(path); - lock->log_file = xstrdup(git_path("logs/%s", lock->ref_file + plen)); - lock->force_write = lstat(lock->ref_file, &st) && errno == ENOENT; + lock->ref_name = xstrdup(ref); + lock->log_file = xstrdup(git_path("logs/%s", ref)); + ref_file = git_path("%s", ref); + lock->force_write = lstat(ref_file, &st) && errno == ENOENT; - if (safe_create_leading_directories(lock->ref_file)) - die("unable to create directory for %s", lock->ref_file); - lock->lock_fd = hold_lock_file_for_update(lock->lk, lock->ref_file, 1); + if (safe_create_leading_directories(ref_file)) { + last_errno = errno; + error("unable to create directory for %s", ref_file); + goto error_return; + } + lock->lock_fd = hold_lock_file_for_update(lock->lk, ref_file, 1); return old_sha1 ? verify_lock(lock, old_sha1, mustexist) : lock; + + error_return: + unlock_ref(lock); + errno = last_errno; + return NULL; } -struct ref_lock *lock_ref_sha1(const char *ref, - const unsigned char *old_sha1, int mustexist) +struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1) { + char refpath[PATH_MAX]; if (check_ref_format(ref)) return NULL; - return lock_ref_sha1_basic(git_path("refs/%s", ref), - 5 + strlen(ref), old_sha1, mustexist); + strcpy(refpath, mkpath("refs/%s", ref)); + return lock_ref_sha1_basic(refpath, old_sha1, NULL); } -struct ref_lock *lock_any_ref_for_update(const char *ref, - const unsigned char *old_sha1, int mustexist) +struct ref_lock *lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1) +{ + return lock_ref_sha1_basic(ref, old_sha1, NULL); +} + +static struct lock_file packlock; + +static int repack_without_ref(const char *refname) { - return lock_ref_sha1_basic(git_path("%s", ref), - strlen(ref), old_sha1, mustexist); + struct ref_list *list, *packed_ref_list; + int fd; + int found = 0; + + packed_ref_list = get_packed_refs(); + for (list = packed_ref_list; list; list = list->next) { + if (!strcmp(refname, list->name)) { + found = 1; + break; + } + } + if (!found) + return 0; + memset(&packlock, 0, sizeof(packlock)); + fd = hold_lock_file_for_update(&packlock, git_path("packed-refs"), 0); + if (fd < 0) + return error("cannot delete '%s' from packed refs", refname); + + for (list = packed_ref_list; list; list = list->next) { + char line[PATH_MAX + 100]; + int len; + + if (!strcmp(refname, list->name)) + continue; + len = snprintf(line, sizeof(line), "%s %s\n", + sha1_to_hex(list->sha1), list->name); + /* this should not happen but just being defensive */ + if (len > sizeof(line)) + die("too long a refname '%s'", list->name); + write_or_die(fd, line, len); + } + return commit_lock_file(&packlock); +} + +int delete_ref(const char *refname, unsigned char *sha1) +{ + struct ref_lock *lock; + int err, i, ret = 0, flag = 0; + + lock = lock_ref_sha1_basic(refname, sha1, &flag); + if (!lock) + return 1; + if (!(flag & REF_ISPACKED)) { + /* loose */ + i = strlen(lock->lk->filename) - 5; /* .lock */ + lock->lk->filename[i] = 0; + err = unlink(lock->lk->filename); + if (err) { + ret = 1; + error("unlink(%s) failed: %s", + lock->lk->filename, strerror(errno)); + } + lock->lk->filename[i] = '.'; + } + /* removing the loose one could have resurrected an earlier + * packed one. Also, if it was not loose we need to repack + * without it. + */ + ret |= repack_without_ref(refname); + + err = unlink(lock->log_file); + if (err && errno != ENOENT) + fprintf(stderr, "warning: unlink(%s) failed: %s", + lock->log_file, strerror(errno)); + invalidate_cached_refs(); + unlock_ref(lock); + return ret; } void unlock_ref(struct ref_lock *lock) @@ -354,7 +708,7 @@ void unlock_ref(struct ref_lock *lock) if (lock->lk) rollback_lock_file(lock->lk); } - free(lock->ref_file); + free(lock->ref_name); free(lock->log_file); free(lock); } @@ -367,7 +721,8 @@ static int log_ref_write(struct ref_lock *lock, char *logrec; const char *committer; - if (log_all_ref_updates) { + if (log_all_ref_updates && + !strncmp(lock->ref_name, "refs/heads/", 11)) { if (safe_create_leading_directories(lock->log_file) < 0) return error("unable to create directory for %s", lock->log_file); @@ -376,10 +731,20 @@ static int log_ref_write(struct ref_lock *lock, logfd = open(lock->log_file, oflags, 0666); if (logfd < 0) { - if (!log_all_ref_updates && errno == ENOENT) + if (!(oflags & O_CREAT) && errno == ENOENT) return 0; - return error("Unable to append to %s: %s", - lock->log_file, strerror(errno)); + + if ((oflags & O_CREAT) && errno == EISDIR) { + if (remove_empty_directories(lock->log_file)) { + return error("There are still logs under '%s'", + lock->log_file); + } + logfd = open(lock->log_file, oflags, 0666); + } + + if (logfd < 0) + return error("Unable to append to %s: %s", + lock->log_file, strerror(errno)); } committer = git_committer_info(1); @@ -426,12 +791,13 @@ int write_ref_sha1(struct ref_lock *lock, unlock_ref(lock); return -1; } + invalidate_cached_refs(); if (log_ref_write(lock, sha1, logmsg) < 0) { unlock_ref(lock); return -1; } if (commit_lock_file(lock->lk)) { - error("Couldn't set %s", lock->ref_file); + error("Couldn't set %s", lock->ref_name); unlock_ref(lock); return -1; } @@ -440,7 +806,7 @@ int write_ref_sha1(struct ref_lock *lock, return 0; } -int read_ref_at(const char *ref, unsigned long at_time, unsigned char *sha1) +int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *sha1) { const char *logfile, *logdata, *logend, *rec, *lastgt, *lastrec; char *tz_c; @@ -473,7 +839,7 @@ int read_ref_at(const char *ref, unsigned long at_time, unsigned char *sha1) if (!lastgt) die("Log %s is corrupt.", logfile); date = strtoul(lastgt + 1, &tz_c, 10); - if (date <= at_time) { + if (date <= at_time || cnt == 0) { if (lastrec) { if (get_sha1_hex(lastrec, logged_sha1)) die("Log %s is corrupt.", logfile); @@ -504,6 +870,8 @@ int read_ref_at(const char *ref, unsigned long at_time, unsigned char *sha1) return 0; } lastrec = rec; + if (cnt > 0) + cnt--; } rec = logdata; @@ -2,7 +2,7 @@ #define REFS_H struct ref_lock { - char *ref_file; + char *ref_name; char *log_file; struct lock_file *lk; unsigned char old_sha1[20]; @@ -14,20 +14,23 @@ struct ref_lock { * Calls the specified function for each ref file until it returns nonzero, * and returns the value */ -extern int head_ref(int (*fn)(const char *path, const unsigned char *sha1)); -extern int for_each_ref(int (*fn)(const char *path, const unsigned char *sha1)); -extern int for_each_tag_ref(int (*fn)(const char *path, const unsigned char *sha1)); -extern int for_each_branch_ref(int (*fn)(const char *path, const unsigned char *sha1)); -extern int for_each_remote_ref(int (*fn)(const char *path, const unsigned char *sha1)); +#define REF_ISSYMREF 01 +#define REF_ISPACKED 02 +typedef int each_ref_fn(const char *refname, const unsigned char *sha1, int flags, void *cb_data); +extern int head_ref(each_ref_fn, void *); +extern int for_each_ref(each_ref_fn, void *); +extern int for_each_tag_ref(each_ref_fn, void *); +extern int for_each_branch_ref(each_ref_fn, void *); +extern int for_each_remote_ref(each_ref_fn, void *); /** Reads the refs file specified into sha1 **/ extern int get_ref_sha1(const char *ref, unsigned char *sha1); /** Locks a "refs/" ref returning the lock on success and NULL on failure. **/ -extern struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1, int mustexist); +extern struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1); /** Locks any ref (for 'HEAD' type refs). */ -extern struct ref_lock *lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1, int mustexist); +extern struct ref_lock *lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1); /** Release any lock taken but not written. **/ extern void unlock_ref(struct ref_lock *lock); @@ -36,7 +39,7 @@ extern void unlock_ref(struct ref_lock *lock); extern int write_ref_sha1(struct ref_lock *lock, const unsigned char *sha1, const char *msg); /** Reads log for the value of ref during at_time. **/ -extern int read_ref_at(const char *ref, unsigned long at_time, unsigned char *sha1); +extern int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *sha1); /** Returns 0 if target has the right format for a ref. **/ extern int check_ref_format(const char *target); diff --git a/revision.c b/revision.c index f1e0caaae3..3dbc26c49c 100644 --- a/revision.c +++ b/revision.c @@ -418,9 +418,6 @@ static void limit_list(struct rev_info *revs) if (revs->max_age != -1 && (commit->date < revs->max_age)) obj->flags |= UNINTERESTING; - if (revs->unpacked && - has_sha1_pack(obj->sha1, revs->ignore_packed)) - obj->flags |= UNINTERESTING; add_parents_to_list(revs, commit, &list); if (obj->flags & UNINTERESTING) { mark_parents_uninteresting(commit); @@ -468,7 +465,7 @@ static void limit_list(struct rev_info *revs) static int all_flags; static struct rev_info *all_revs; -static int handle_one_ref(const char *path, const unsigned char *sha1) +static int handle_one_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data) { struct object *object = get_reference(all_revs, path, sha1, all_flags); add_pending_object(all_revs, object, ""); @@ -479,7 +476,7 @@ static void handle_all(struct rev_info *revs, unsigned flags) { all_revs = revs; all_flags = flags; - for_each_ref(handle_one_ref); + for_each_ref(handle_one_ref, NULL); } static int add_parents_only(struct rev_info *revs, const char *arg, int flags) @@ -1015,7 +1012,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch add_pending_object(revs, object, def); } - if (revs->topo_order || revs->unpacked) + if (revs->topo_order) revs->limited = 1; if (revs->prune_data) { @@ -1149,17 +1146,18 @@ struct commit *get_revision(struct rev_info *revs) * that we'd otherwise have done in limit_list(). */ if (!revs->limited) { - if ((revs->unpacked && - has_sha1_pack(commit->object.sha1, - revs->ignore_packed)) || - (revs->max_age != -1 && - (commit->date < revs->max_age))) + if (revs->max_age != -1 && + (commit->date < revs->max_age)) continue; add_parents_to_list(revs, commit, &revs->commits); } if (commit->object.flags & SHOWN) continue; + if (revs->unpacked && has_sha1_pack(commit->object.sha1, + revs->ignore_packed)) + continue; + /* We want to show boundary commits only when their * children are shown. When path-limiter is in effect, * rewrite_parents() drops some commits from getting shown, diff --git a/send-pack.c b/send-pack.c index 5bb123a376..447666665b 100644 --- a/send-pack.c +++ b/send-pack.c @@ -29,6 +29,7 @@ static void exec_pack_objects(void) { static const char *args[] = { "pack-objects", + "--all-progress", "--stdout", NULL }; @@ -215,7 +216,7 @@ static int ref_newer(const unsigned char *new_sha1, static struct ref *local_refs, **local_tail; static struct ref *remote_refs, **remote_tail; -static int one_local_ref(const char *refname, const unsigned char *sha1) +static int one_local_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { struct ref *ref; int len = strlen(refname) + 1; @@ -230,7 +231,7 @@ static int one_local_ref(const char *refname, const unsigned char *sha1) static void get_local_heads(void) { local_tail = &local_refs; - for_each_ref(one_local_ref); + for_each_ref(one_local_ref, NULL); } static int receive_status(int in) diff --git a/server-info.c b/server-info.c index 2fb8f57103..6cd38be329 100644 --- a/server-info.c +++ b/server-info.c @@ -7,7 +7,7 @@ /* refs */ static FILE *info_ref_fp; -static int add_info_ref(const char *path, const unsigned char *sha1) +static int add_info_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data) { struct object *o = parse_object(sha1); @@ -34,7 +34,7 @@ static int update_info_refs(int force) info_ref_fp = fopen(path1, "w"); if (!info_ref_fp) return error("unable to update %s", path0); - for_each_ref(add_info_ref); + for_each_ref(add_info_ref, NULL); fclose(info_ref_fp); rename(path1, path0); free(path0); @@ -244,8 +244,6 @@ int check_repository_format_version(const char *var, const char *value) repository_format_version = git_config_int(var, value); else if (strcmp(var, "core.sharedrepository") == 0) shared_repository = git_config_perm(var, value); - else if (strcmp(var, "receive.denynonfastforwards") == 0) - deny_non_fast_forwards = git_config_bool(var, value); return 0; } diff --git a/sha1_file.c b/sha1_file.c index e89d24c015..6ea59b5588 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -663,7 +663,7 @@ void prepare_packed_git(void) prepare_packed_git_run_once = 1; } -static void reprepare_packed_git(void) +void reprepare_packed_git(void) { prepare_packed_git_run_once = 0; prepare_packed_git(); @@ -1203,6 +1203,24 @@ unsigned long find_pack_entry_one(const unsigned char *sha1, return 0; } +static int matches_pack_name(struct packed_git *p, const char *ig) +{ + const char *last_c, *c; + + if (!strcmp(p->pack_name, ig)) + return 0; + + for (c = p->pack_name, last_c = c; *c;) + if (*c == '/') + last_c = ++c; + else + ++c; + if (!strcmp(last_c, ig)) + return 0; + + return 1; +} + static int find_pack_entry(const unsigned char *sha1, struct pack_entry *e, const char **ignore_packed) { struct packed_git *p; @@ -1214,7 +1232,7 @@ static int find_pack_entry(const unsigned char *sha1, struct pack_entry *e, cons if (ignore_packed) { const char **ig; for (ig = ignore_packed; *ig; ig++) - if (!strcmp(p->pack_name, *ig)) + if (!matches_pack_name(p, *ig)) break; if (*ig) continue; @@ -1399,9 +1417,10 @@ static int link_temp_to_file(const char *tmpfile, const char *filename) dir = strrchr(filename, '/'); if (dir) { *dir = 0; - mkdir(filename, 0777); - if (adjust_shared_perm(filename)) + if (!mkdir(filename, 0777) && adjust_shared_perm(filename)) { + *dir = '/'; return -2; + } *dir = '/'; if (!link(tmpfile, filename)) return 0; diff --git a/sha1_name.c b/sha1_name.c index 6ffee22081..6d7cd78381 100644 --- a/sha1_name.c +++ b/sha1_name.c @@ -247,26 +247,25 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1) NULL }; static const char *warning = "warning: refname '%.*s' is ambiguous.\n"; - const char **p, *pathname; - char *real_path = NULL; - int refs_found = 0, am; - unsigned long at_time = (unsigned long)-1; + const char **p, *ref; + char *real_ref = NULL; + int refs_found = 0; + int at, reflog_len; unsigned char *this_result; unsigned char sha1_from_ref[20]; if (len == 40 && !get_sha1_hex(str, sha1)) return 0; - /* At a given period of time? "@{2 hours ago}" */ - for (am = 1; am < len - 1; am++) { - if (str[am] == '@' && str[am+1] == '{' && str[len-1] == '}') { - int date_len = len - am - 3; - char *date_spec = xmalloc(date_len + 1); - strlcpy(date_spec, str + am + 2, date_len + 1); - at_time = approxidate(date_spec); - free(date_spec); - len = am; - break; + /* basic@{time or number} format to query ref-log */ + reflog_len = at = 0; + if (str[len-1] == '}') { + for (at = 1; at < len - 1; at++) { + if (str[at] == '@' && str[at+1] == '{') { + reflog_len = (len-1) - (at+2); + len = at; + break; + } } } @@ -276,10 +275,10 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1) for (p = fmt; *p; p++) { this_result = refs_found ? sha1_from_ref : sha1; - pathname = resolve_ref(git_path(*p, len, str), this_result, 1); - if (pathname) { + ref = resolve_ref(mkpath(*p, len, str), this_result, 1, NULL); + if (ref) { if (!refs_found++) - real_path = xstrdup(pathname); + real_ref = xstrdup(ref); if (!warn_ambiguous_refs) break; } @@ -291,14 +290,25 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1) if (warn_ambiguous_refs && refs_found > 1) fprintf(stderr, warning, len, str); - if (at_time != (unsigned long)-1) { - read_ref_at( - real_path + strlen(git_path(".")) - 1, - at_time, - sha1); + if (reflog_len) { + /* Is it asking for N-th entry, or approxidate? */ + int nth, i; + unsigned long at_time; + for (i = nth = 0; 0 <= nth && i < reflog_len; i++) { + char ch = str[at+2+i]; + if ('0' <= ch && ch <= '9') + nth = nth * 10 + ch - '0'; + else + nth = -1; + } + if (0 <= nth) + at_time = 0; + else + at_time = approxidate(str + at + 2); + read_ref_at(real_ref, at_time, nth, sha1); } - free(real_path); + free(real_ref); return 0; } diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh index b3b920edb1..6a917f2ff4 100755 --- a/t/t1400-update-ref.sh +++ b/t/t1400-update-ref.sh @@ -30,11 +30,8 @@ rm -f .git/$m test_expect_success \ "fail to create $n" \ "touch .git/$n_dir - git-update-ref $n $A >out 2>err - test "'$? = 1 && - test "" = "$(cat out)" && - grep "error: unable to resolve reference" err && - grep '"$n err" + git-update-ref $n $A >out 2>err"' + test $? != 0' rm -f .git/$n_dir out err test_expect_success \ diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh index 6907cbcd29..acb54b6a07 100755 --- a/t/t3200-branch.sh +++ b/t/t3200-branch.sh @@ -17,13 +17,10 @@ test_expect_success \ git-commit -m "Initial commit." && HEAD=$(git-rev-parse --verify HEAD)' -test_expect_success \ - 'git branch --help should return success now.' \ - 'git-branch --help' - test_expect_failure \ 'git branch --help should not have created a bogus branch' \ - 'test -f .git/refs/heads/--help' + 'git-branch --help </dev/null >/dev/null 2>/dev/null || : + test -f .git/refs/heads/--help' test_expect_success \ 'git branch abc should create a branch' \ @@ -34,7 +31,7 @@ test_expect_success \ 'git-branch a/b/c && test -f .git/refs/heads/a/b/c' cat >expect <<EOF -0000000000000000000000000000000000000000 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 branch: Created from HEAD +0000000000000000000000000000000000000000 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 branch: Created from master EOF test_expect_success \ 'git branch -l d/e/f should create a branch and a log' \ diff --git a/t/t3210-pack-refs.sh b/t/t3210-pack-refs.sh new file mode 100755 index 0000000000..b1e9f2eed2 --- /dev/null +++ b/t/t3210-pack-refs.sh @@ -0,0 +1,99 @@ +#!/bin/sh +# +# Copyright (c) 2005 Amos Waterland +# Copyright (c) 2006 Christian Couder +# + +test_description='git pack-refs should not change the branch semantic + +This test runs git pack-refs and git show-ref and checks that the branch +semantic is still the same. +' +. ./test-lib.sh + +echo '[core] logallrefupdates = true' >>.git/config + +test_expect_success \ + 'prepare a trivial repository' \ + 'echo Hello > A && + git-update-index --add A && + git-commit -m "Initial commit." && + HEAD=$(git-rev-parse --verify HEAD)' + +SHA1= + +test_expect_success \ + 'see if git show-ref works as expected' \ + 'git-branch a && + SHA1=`cat .git/refs/heads/a` && + echo "$SHA1 refs/heads/a" >expect && + git-show-ref a >result && + diff expect result' + +test_expect_success \ + 'see if a branch still exists when packed' \ + 'git-branch b && + git-pack-refs --all && + rm .git/refs/heads/b && + echo "$SHA1 refs/heads/b" >expect && + git-show-ref b >result && + diff expect result' + +test_expect_failure \ + 'git branch c/d should barf if branch c exists' \ + 'git-branch c && + git-pack-refs --all && + rm .git/refs/heads/c && + git-branch c/d' + +test_expect_success \ + 'see if a branch still exists after git pack-refs --prune' \ + 'git-branch e && + git-pack-refs --all --prune && + echo "$SHA1 refs/heads/e" >expect && + git-show-ref e >result && + diff expect result' + +test_expect_failure \ + 'see if git pack-refs --prune remove ref files' \ + 'git-branch f && + git-pack-refs --all --prune && + ls .git/refs/heads/f' + +test_expect_success \ + 'git branch g should work when git branch g/h has been deleted' \ + 'git-branch g/h && + git-pack-refs --all --prune && + git-branch -d g/h && + git-branch g && + git-pack-refs --all && + git-branch -d g' + +test_expect_failure \ + 'git branch i/j/k should barf if branch i exists' \ + 'git-branch i && + git-pack-refs --all --prune && + git-branch i/j/k' + +test_expect_success \ + 'test git branch k after branch k/l/m and k/lm have been deleted' \ + 'git-branch k/l && + git-branch k/lm && + git-branch -d k/l && + git-branch k/l/m && + git-branch -d k/l/m && + git-branch -d k/lm && + git-branch k' + +test_expect_success \ + 'test git branch n after some branch deletion and pruning' \ + 'git-branch n/o && + git-branch n/op && + git-branch -d n/o && + git-branch n/o/p && + git-branch -d n/op && + git-pack-refs --all --prune && + git-branch -d n/o/p && + git-branch n' + +test_done diff --git a/tree-diff.c b/tree-diff.c index 7e2f4f088a..37d235e06e 100644 --- a/tree-diff.c +++ b/tree-diff.c @@ -215,6 +215,24 @@ int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const cha return retval; } +int diff_root_tree_sha1(const unsigned char *new, const char *base, struct diff_options *opt) +{ + int retval; + void *tree; + struct tree_desc empty, real; + + tree = read_object_with_reference(new, tree_type, &real.size, NULL); + if (!tree) + die("unable to read root tree (%s)", sha1_to_hex(new)); + real.buf = tree; + + empty.size = 0; + empty.buf = ""; + retval = diff_tree(&empty, &real, base, opt); + free(tree); + return retval; +} + static int count_paths(const char **paths) { int i = 0; diff --git a/upload-pack.c b/upload-pack.c index 9ec3775049..ddaa72f0a9 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -420,7 +420,7 @@ static void receive_needs(void) } } -static int send_ref(const char *refname, const unsigned char *sha1) +static int send_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { static const char *capabilities = "multi_ack thin-pack side-band side-band-64k ofs-delta"; struct object *o = parse_object(sha1); @@ -448,8 +448,8 @@ static int send_ref(const char *refname, const unsigned char *sha1) static void upload_pack(void) { reset_timeout(); - head_ref(send_ref); - for_each_ref(send_ref); + head_ref(send_ref, NULL); + for_each_ref(send_ref, NULL); packet_flush(1); receive_needs(); if (want_obj.nr) { diff --git a/wt-status.c b/wt-status.c index 3952809c2a..9692dfa325 100644 --- a/wt-status.c +++ b/wt-status.c @@ -41,10 +41,8 @@ void wt_status_prepare(struct wt_status *s) s->is_initial = get_sha1("HEAD", sha1) ? 1 : 0; - head = resolve_ref(git_path("HEAD"), sha1, 0); - s->branch = head ? - strdup(head + strlen(get_git_dir()) + 1) : - NULL; + head = resolve_ref("HEAD", sha1, 0, NULL); + s->branch = head ? xstrdup(head) : NULL; s->reference = "HEAD"; s->amend = 0; @@ -156,10 +154,8 @@ void wt_status_print_initial(struct wt_status *s) static void wt_status_print_updated(struct wt_status *s) { struct rev_info rev; - const char *argv[] = { NULL, NULL, NULL }; - argv[1] = s->reference; init_revisions(&rev, NULL); - setup_revisions(2, argv, &rev, NULL); + setup_revisions(0, NULL, &rev, s->reference); rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK; rev.diffopt.format_callback = wt_status_print_updated_cb; rev.diffopt.format_callback_data = s; @@ -170,9 +166,8 @@ static void wt_status_print_updated(struct wt_status *s) static void wt_status_print_changed(struct wt_status *s) { struct rev_info rev; - const char *argv[] = { NULL, NULL }; init_revisions(&rev, ""); - setup_revisions(1, argv, &rev, NULL); + setup_revisions(0, NULL, &rev, NULL); rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK; rev.diffopt.format_callback = wt_status_print_changed_cb; rev.diffopt.format_callback_data = s; @@ -227,10 +222,8 @@ static void wt_status_print_untracked(const struct wt_status *s) static void wt_status_print_verbose(struct wt_status *s) { struct rev_info rev; - const char *argv[] = { NULL, NULL, NULL }; - argv[1] = s->reference; init_revisions(&rev, NULL); - setup_revisions(2, argv, &rev, NULL); + setup_revisions(0, NULL, &rev, s->reference); rev.diffopt.output_format |= DIFF_FORMAT_PATCH; rev.diffopt.detect_rename = 1; run_diff_index(&rev, 1); |