diff options
-rw-r--r-- | Documentation/git-add-script.txt | 17 | ||||
-rw-r--r-- | Documentation/git-branch-script.txt | 19 | ||||
-rw-r--r-- | Documentation/git-cherry.txt | 22 | ||||
-rw-r--r-- | Documentation/git-count-objects-script.txt | 18 | ||||
-rw-r--r-- | Documentation/git-patch-id.txt | 19 | ||||
-rw-r--r-- | Documentation/git-rebase-script.txt | 17 | ||||
-rw-r--r-- | Documentation/git-relink-script.txt | 19 | ||||
-rw-r--r-- | Documentation/git-revert-script.txt | 18 | ||||
-rw-r--r-- | Documentation/git-sh-setup-script.txt | 18 | ||||
-rw-r--r-- | Documentation/git-verify-tag-script.txt | 16 | ||||
-rw-r--r-- | Documentation/git.txt | 62 | ||||
-rw-r--r-- | Documentation/howto/rebuild-from-update-hook.txt | 83 | ||||
-rw-r--r-- | Makefile | 5 | ||||
-rw-r--r-- | debian/changelog | 7 | ||||
-rwxr-xr-x | debian/rules | 3 | ||||
-rwxr-xr-x | git-commit-script | 86 | ||||
-rwxr-xr-x | git-fetch-script | 34 | ||||
-rwxr-xr-x | git-pull-script | 20 |
18 files changed, 293 insertions, 190 deletions
diff --git a/Documentation/git-add-script.txt b/Documentation/git-add-script.txt index 866d9c2d94..300114358a 100644 --- a/Documentation/git-add-script.txt +++ b/Documentation/git-add-script.txt @@ -3,26 +3,21 @@ git-add-script(1) NAME ---- -git-add-script - Some git command not yet documented. - +git-add-script - Add files to the cache. SYNOPSIS -------- -'git-add-script' [ --option ] <args>... +'git-add-script' <file>... DESCRIPTION ----------- -Does something not yet documented. - +A simple wrapper to git-update-cache to add files to the cache for people used +to do "cvs add". OPTIONS ------- ---option:: - Some option not yet documented. - -<args>...:: - Some argument not yet documented. - +<file>...:: + Files to add to the cache. Author ------ diff --git a/Documentation/git-branch-script.txt b/Documentation/git-branch-script.txt index fe9a041950..3ace8adc83 100644 --- a/Documentation/git-branch-script.txt +++ b/Documentation/git-branch-script.txt @@ -3,26 +3,27 @@ git-branch-script(1) NAME ---- -git-branch-script - Some git command not yet documented. - +git-branch-script - Create a new branch. SYNOPSIS -------- -'git-branch-script' [ --option ] <args>... +'git-branch-script' [<branchname> [start-point]] DESCRIPTION ----------- -Does something not yet documented. +If no argument is provided, show available branches and mark current +branch with star. Otherwise, create a new branch of name <branchname>. +If a starting point is also specified, that will be where the branch is +created, otherwise it will be created at the current HEAD. OPTIONS ------- ---option:: - Some option not yet documented. - -<args>...:: - Some argument not yet documented. +<branchname>:: + The name of the branch to create. +start-point:: + Where to make the branch; defaults to HEAD. Author ------ diff --git a/Documentation/git-cherry.txt b/Documentation/git-cherry.txt index 14d0bd51cd..9ff7bc25c1 100644 --- a/Documentation/git-cherry.txt +++ b/Documentation/git-cherry.txt @@ -3,26 +3,30 @@ git-cherry(1) NAME ---- -git-cherry - Some git command not yet documented. - +git-cherry - Find commits not merged upstream. SYNOPSIS -------- -'git-cherry' [ --option ] <args>... +'git-cherry' [-v] <upstream> [<head>] DESCRIPTION ----------- -Does something not yet documented. - +Each commit between the fork-point and <head> is examined, and compared against +the change each commit between the fork-point and <upstream> introduces. +Commits already included in upstream are prefixed with '-' (meaning "drop from +my local pull"), while commits missing from upstream are prefixed with '+' +(meaning "add to the updated upstream"). OPTIONS ------- ---option:: - Some option not yet documented. +-v:: + Verbose. -<args>...:: - Some argument not yet documented. +<upstream>:: + Upstream branch to compare against. +<head>:: + Working branch; defaults to HEAD. Author ------ diff --git a/Documentation/git-count-objects-script.txt b/Documentation/git-count-objects-script.txt index 2543617094..8a3cedfb5f 100644 --- a/Documentation/git-count-objects-script.txt +++ b/Documentation/git-count-objects-script.txt @@ -3,26 +3,16 @@ git-count-objects-script(1) NAME ---- -git-count-objects-script - Some git command not yet documented. - +git-count-objects-script - Reports on unpacked objects. SYNOPSIS -------- -'git-count-objects-script' [ --option ] <args>... +'git-count-objects-script' DESCRIPTION ----------- -Does something not yet documented. - - -OPTIONS -------- ---option:: - Some option not yet documented. - -<args>...:: - Some argument not yet documented. - +This counts the number of unpacked object files and disk space consumed by +them, to help you decide when it is a good time to repack. Author ------ diff --git a/Documentation/git-patch-id.txt b/Documentation/git-patch-id.txt index 9a4abd124d..b6fa2a8b39 100644 --- a/Documentation/git-patch-id.txt +++ b/Documentation/git-patch-id.txt @@ -3,26 +3,25 @@ git-patch-id(1) NAME ---- -git-patch-id - Some git command not yet documented. - +git-patch-id - Generate a patch ID. SYNOPSIS -------- -'git-patch-id' [ --option ] <args>... +'git-patch-id' < <patch> DESCRIPTION ----------- -Does something not yet documented. +A "patch ID" is nothing but a SHA1 of the diff associated with a patch, with +whitespace and line numbers ignored. As such, it's "reasonably stable", but at +the same time also reasonably unique, ie two patches that have the same "patch +ID" are almost guaranteed to be the same thing. +IOW, you can use this thing to look for likely duplicate commits. OPTIONS ------- ---option:: - Some option not yet documented. - -<args>...:: - Some argument not yet documented. - +<patch>:: + The diff to create the ID of. Author ------ diff --git a/Documentation/git-rebase-script.txt b/Documentation/git-rebase-script.txt index ba7cbb777c..8f14186f82 100644 --- a/Documentation/git-rebase-script.txt +++ b/Documentation/git-rebase-script.txt @@ -3,26 +3,23 @@ git-rebase-script(1) NAME ---- -git-rebase-script - Some git command not yet documented. - +git-rebase-script - Rebase local commits to new upstream head. SYNOPSIS -------- -'git-rebase-script' [ --option ] <args>... +'git-rebase-script' <upstream> [<head>] DESCRIPTION ----------- -Does something not yet documented. - +Rebases local commits to the new head of the upstream tree. OPTIONS ------- ---option:: - Some option not yet documented. - -<args>...:: - Some argument not yet documented. +<upstream>:: + Upstream branch to compare against. +<head>:: + Working branch; defaults to HEAD. Author ------ diff --git a/Documentation/git-relink-script.txt b/Documentation/git-relink-script.txt index 4c2b435d1e..99c05d4512 100644 --- a/Documentation/git-relink-script.txt +++ b/Documentation/git-relink-script.txt @@ -3,26 +3,25 @@ git-relink-script(1) NAME ---- -git-relink-script - Some git command not yet documented. - +git-relink-script - Hardlink common objects in local repositories. SYNOPSIS -------- -'git-relink-script' [ --option ] <args>... +'git-relink-script' [--safe] <dir> <dir> [<dir>]\* DESCRIPTION ----------- -Does something not yet documented. - +This will scan 2 or more object repositories and look for common objects, check +if they are hardlinked, and replace one with a hardlink to the other if not. OPTIONS ------- ---option:: - Some option not yet documented. - -<args>...:: - Some argument not yet documented. +--safe:: + Stops if two objects with the same hash exist but have different sizes. + Default is to warn and continue. +<dir>:: + Directories containing a .git/objects/ subdirectory. Author ------ diff --git a/Documentation/git-revert-script.txt b/Documentation/git-revert-script.txt index 8a532e6d09..727073e279 100644 --- a/Documentation/git-revert-script.txt +++ b/Documentation/git-revert-script.txt @@ -3,26 +3,22 @@ git-revert-script(1) NAME ---- -git-revert-script - Some git command not yet documented. - +git-revert-script - Revert an existing commit. SYNOPSIS -------- -'git-revert-script' [ --option ] <args>... +'git-revert-script' <commit> DESCRIPTION ----------- -Does something not yet documented. - +Given one existing commit, revert the change the patch introduces, and record a +new commit that records it. This requires your working tree to be clean (no +modifications from the HEAD commit). OPTIONS ------- ---option:: - Some option not yet documented. - -<args>...:: - Some argument not yet documented. - +<commit>:: + Commit to revert. Author ------ diff --git a/Documentation/git-sh-setup-script.txt b/Documentation/git-sh-setup-script.txt index 92addd71fe..5ac613a2c7 100644 --- a/Documentation/git-sh-setup-script.txt +++ b/Documentation/git-sh-setup-script.txt @@ -3,26 +3,22 @@ git-sh-setup-script(1) NAME ---- -git-sh-setup-script - Some git command not yet documented. - +git-sh-setup-script - Common git shell script setup code. SYNOPSIS -------- -'git-sh-setup-script' [ --option ] <args>... +'git-sh-setup-script' DESCRIPTION ----------- -Does something not yet documented. - -OPTIONS -------- ---option:: - Some option not yet documented. +Sets up the normal git environment variables and a few helper functions +(currently just "die()"), and returns ok if it all looks like a git archive. +So use it something like -<args>...:: - Some argument not yet documented. + . git-sh-setup-script || die "Not a git archive" +to make the rest of the git scripts more careful and readable. Author ------ diff --git a/Documentation/git-verify-tag-script.txt b/Documentation/git-verify-tag-script.txt index 88a264681f..d5d747cd84 100644 --- a/Documentation/git-verify-tag-script.txt +++ b/Documentation/git-verify-tag-script.txt @@ -3,26 +3,20 @@ git-verify-tag-script(1) NAME ---- -git-verify-tag-script - Some git command not yet documented. - +git-verify-tag-script - Check the GPG signature of tag. SYNOPSIS -------- -'git-verify-tag-script' [ --option ] <args>... +'git-verify-tag-script' <tag> DESCRIPTION ----------- -Does something not yet documented. - +Validates the gpg signature created by git-tag-script. OPTIONS ------- ---option:: - Some option not yet documented. - -<args>...:: - Some argument not yet documented. - +<tag>:: + SHA1 identifier of a git tag object. Author ------ diff --git a/Documentation/git.txt b/Documentation/git.txt index d4ede094f8..f63cbdd372 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -1,6 +1,6 @@ git(7) ====== -v0.99.4, Aug 2005 +v0.99.5, Aug 2005 NAME ---- @@ -195,6 +195,18 @@ link:git-update-server-info.html[git-update-server-info]:: Porcelain-ish Commands ---------------------- +link:git-revert-script.html[git-revert-script]:: + Revert an existing commit. + +link:git-rebase-script.html[git-rebase-script]:: + Rebase local commits to new upstream head. + +link:git-add-script.html[git-add-script]:: + Add paths to the index file. + +link:git-branch-script.html[git-branch-script]:: + Create and Show branches. + link:git-whatchanged.html[git-whatchanged]:: Shows commit logs and differences they introduce. @@ -237,11 +249,17 @@ link:git-rename-script.html[git-rename]:: link:git-ls-remote-script.html[git-ls-remote-script]:: Shows references in a remote or local repository. +link:git-verify-tag-script.html[git-verify-tag-script]:: + Check the GPG signature of tag. + Ancillary Commands ------------------ Manipulators: +link:git-relink-script.html[git-relink-script]:: + Hardlink common objects in local repositories. + link:git-apply-patch-script.html[git-apply-patch-script]:: Sample script to apply the diffs from git-diff-* @@ -263,6 +281,15 @@ link:git-cvsimport-script.html[git-cvsimport-script]:: Interrogators: +link:git-patch-id.html[git-patch-id]:: + Compute unique ID for a patch. + +link:git-count-objects-script.html[git-count-objects-script]:: + Count unpacked number of objects and their disk consumption. + +link:git-cherry.html[git-cherry]:: + Find commits not merged upstream. + link:git-diff-helper.html[git-diff-helper]:: Generates patch format output for git-diff-* @@ -272,6 +299,9 @@ link:git-ssh-push.html[git-ssh-push]:: link:git-send-email-script.html[git-send-email]:: Send patch e-mails out of "format-patch --mbox" output. +link:git-sh-setup-script.html[git-sh-setup-script]:: + Common git shell script setup code. + Commands not yet documented --------------------------- @@ -288,30 +318,18 @@ link:git-mailinfo.html[git-mailinfo]:: link:git-mailsplit.html[git-mailsplit]:: git-mailsplit. -link:git-add-script.html[git-add-script]:: - git-add-script. - link:git-bisect-script.html[git-bisect-script]:: git-bisect-script. -link:git-branch-script.html[git-branch-script]:: - git-branch-script. - link:git-build-rev-cache.html[git-build-rev-cache]:: git-build-rev-cache. link:git-checkout-script.html[git-checkout-script]:: git-checkout-script. -link:git-cherry.html[git-cherry]:: - git-cherry. - link:git-clone-dumb-http.html[git-clone-dumb-http]:: git-clone-dumb-http. -link:git-count-objects-script.html[git-count-objects-script]:: - git-count-objects-script. - link:git-daemon.html[git-daemon]:: git-daemon. @@ -324,15 +342,6 @@ link:git-format-patch-script.html[git-format-patch-script]:: link:git-get-tar-commit-id.html[git-get-tar-commit-id]:: git-get-tar-commit-id. -link:git-patch-id.html[git-patch-id]:: - git-patch-id. - -link:git-rebase-script.html[git-rebase-script]:: - git-rebase-script. - -link:git-relink-script.html[git-relink-script]:: - git-relink-script. - link:git-request-pull-script.html[git-request-pull-script]:: git-request-pull-script. @@ -342,21 +351,12 @@ link:git-reset-script.html[git-reset-script]:: link:git-rev-parse.html[git-rev-parse]:: git-rev-parse. -link:git-revert-script.html[git-revert-script]:: - git-revert-script. - -link:git-sh-setup-script.html[git-sh-setup-script]:: - git-sh-setup-script. - link:git-show-rev-cache.html[git-show-rev-cache]:: git-show-rev-cache. link:git-stripspace.html[git-stripspace]:: git-stripspace. -link:git-verify-tag-script.html[git-verify-tag-script]:: - git-verify-tag-script. - link:gitk.html[gitk]:: gitk. diff --git a/Documentation/howto/rebuild-from-update-hook.txt b/Documentation/howto/rebuild-from-update-hook.txt new file mode 100644 index 0000000000..ebd025db85 --- /dev/null +++ b/Documentation/howto/rebuild-from-update-hook.txt @@ -0,0 +1,83 @@ +Subject: [HOWTO] Using post-update hook +Message-ID: <7vy86o6usx.fsf@assigned-by-dhcp.cox.net> +From: Junio C Hamano <junkio@cox.net> +Date: Fri, 26 Aug 2005 18:19:10 -0700 +Abstract: In this how-to article, JC talks about how he + uses the post-update hook to automate git documentation page + shown at http://www.kernel.org/pub/software/scm/git/docs/. + +The pages under http://www.kernel.org/pub/software/scm/git/docs/ +are built from Documentation/ directory of the git.git project +and needed to be kept up-to-date. The www.kernel.org/ servers +are mirrored and I was told that the origin of the mirror is on +the machine master.kernel.org, on which I was given an account +when I took over git maintainership from Linus. + +The directories relevant to this how-to are these two: + + /pub/scm/git/git.git/ The public git repository. + /pub/software/scm/git/docs/ The HTML documentation page. + +So I made a repository to generate the documentation under my +home directory over there. + + $ cd + $ mkdir doc-git && cd doc-git + $ git clone /pub/scm/git/git.git/ docgen + +What needs to happen is to update the $HOME/doc-git/docgen/ +working tree, build HTML docs there and install the result in +/pub/software/scm/git/docs/ directory. So I wrote a little +script: + + $ cat >dododoc.sh <<\EOF + #!/bin/sh + cd $HOME/doc-git/docgen || exit + + unset GIT_DIR + + git pull /pub/scm/git/git.git/ master && + cd Documentation && + make install-webdoc + EOF + +Initially I used to run this by hand whenever I push into the +public git repository. Then I did a cron job that ran twice a +day. The current round uses the post-update hook mechanism, +like this: + + $ cat >/pub/scm/git/git.git/hooks/post-update <<\EOF + #!/bin/sh + # + # An example hook script to prepare a packed repository for use over + # dumb transports. + # + # To enable this hook, make this file executable by "chmod +x post-update". + + case " $* " in + *' refs/heads/master '*) + echo $HOME/doc-git/dododoc.sh | at now + ;; + esac + exec git-update-server-info + EOF + $ chmod +x /pub/scm/git/git.git/hooks/post-update + +There are three things worth mentioning: + + - The update-hook is run after the repository accepts a "git + push", under my user privilege. It is given the full names + of refs that have been updated as arguments. My post-update + runs the dododoc.sh script only when the master head is + updated. + + - When update-hook is run, GIT_DIR is set to '.' by the calling + receive-pack. This is inherited by the dododoc.sh run via + the "at" command, and needs to be unset; otherwise, "git + pull" it does into $HOME/doc-git/docgen/ repository would not + work correctly. + + - This is still crude and does not protect against simultaneous + make invocations stomping on each other. I would need to add + some locking mechanism for this. + @@ -69,7 +69,6 @@ SCRIPTS=git git-apply-patch-script git-merge-one-file-script git-prune-script \ git-request-pull-script git-bisect-script SCRIPTS += git-count-objects-script -# SCRIPTS += git-send-email-script SCRIPTS += git-revert-script SCRIPTS += git-octopus-script @@ -87,6 +86,10 @@ PROG= git-update-cache git-diff-files git-init-db git-write-tree \ git-show-index git-daemon git-var git-peek-remote git-show-branch \ git-update-server-info git-show-rev-cache git-build-rev-cache +ifdef WITH_SEND_EMAIL +SCRIPTS += git-send-email-script +endif + ifndef NO_CURL PROG+= git-http-pull endif diff --git a/debian/changelog b/debian/changelog index 0c87797e83..f3cf358fb1 100644 --- a/debian/changelog +++ b/debian/changelog @@ -4,6 +4,13 @@ git-core (0.99.6-0) unstable; urgency=low -- Junio C Hamano <junkio@cox.net> Wed, 24 Aug 2005 23:09:35 -0700 +git-core (0.99.5-1) unstable; urgency=low + + * Enable git-send-email-script on Debian. There is no reason to shy + away from it, since we have the necessary Perl modules available. + + -- Junio C Hamano <junkio@cox.net> Thu, 25 Aug 2005 14:16:59 -0700 + git-core (0.99.5-0) unstable; urgency=low * GIT 0.99.5 diff --git a/debian/rules b/debian/rules index c46b4d9466..86464bf30b 100755 --- a/debian/rules +++ b/debian/rules @@ -25,6 +25,9 @@ else export MOZILLA_SHA1=YesPlease endif +# We do have the requisite perl modules in the mainline, and +# have no reason to shy away from this script. +export WITH_SEND_EMAIL=YesPlease PREFIX := /usr MANDIR := /usr/share/man/ diff --git a/git-commit-script b/git-commit-script index 5c5f564a28..e47a090c97 100755 --- a/git-commit-script +++ b/git-commit-script @@ -110,57 +110,51 @@ t) fi esac +if [ ! -r "$GIT_DIR/HEAD" ] +then + echo "#" + echo "# Initial commit" + echo "#" + git-ls-files | sed 's/^/# New file: /' + echo "#" +elif [ -f "$GIT_DIR/MERGE_HEAD" ]; then + echo "#" + echo "# It looks like your may be committing a MERGE." + echo "# If this is not correct, please remove the file" + echo "# $GIT_DIR/MERGE_HEAD" + echo "# and try again" + echo "#" +fi >.editmsg +if test "$log_message" != '' +then + echo "$log_message" +elif test "$logfile" != "" +then + if test "$logfile" = - + then + test -t 0 && + echo >&2 "(reading log message from standard input)" + cat + else + cat <"$logfile" + fi +elif test "$use_commit" != "" +then + git-cat-file commit "$use_commit" | sed -e '1,/^$/d' +fi | git-stripspace >>.editmsg + PARENTS="-p HEAD" if [ ! -r "$GIT_DIR/HEAD" ]; then if [ -z "$(git-ls-files)" ]; then echo Nothing to commit 1>&2 exit 1 fi - { - echo "#" - echo "# Initial commit" - case "$no_edit" in - t) echo "# (ignoring your commit message for initial commit)" - no_edit= - esac - echo "#" - git-ls-files | sed 's/^/# New file: /' - echo "#" - } >.editmsg PARENTS="" - no_edit= else if [ -f "$GIT_DIR/MERGE_HEAD" ]; then - { - echo "#" - echo "# It looks like your may be committing a MERGE." - echo "# If this is not correct, please remove the file" - echo "# $GIT_DIR/MERGE_HEAD" - echo "# and try again" - case "$no_edit" in - t) echo "# (ignoring your commit message for merge commit)" - no_edit= - esac - echo "#" - } | - git-stripspace >.editmsg PARENTS="-p HEAD -p MERGE_HEAD" - elif test "$log_message" != '' - then - echo "$log_message" | - git-stripspace >.editmsg - elif test "$logfile" != "" - then - if test "$logfile" = - - then - test -t 0 && - echo >&2 "(reading log message from standard input)" - cat - else - cat <"$logfile" - fi | - git-stripspace >.editmsg - elif test "$use_commit" != "" + fi + if test "$use_commit" != "" then pick_author_script=' /^author /{ @@ -188,22 +182,20 @@ else export GIT_AUTHOR_NAME export GIT_AUTHOR_EMAIL export GIT_AUTHOR_DATE - git-cat-file commit "$use_commit" | - sed -e '1,/^$/d' | - git-stripspace >.editmsg fi - case "$signoff" in t) git-var GIT_COMMITTER_IDENT | sed -e ' s/>.*/>/ - s/^/Signed-off-by: /' >>.editmsg ;; + s/^/Signed-off-by: / + ' >>.editmsg + ;; esac git-status-script >>.editmsg fi if [ "$?" != "0" -a ! -f $GIT_DIR/MERGE_HEAD ] then - cat .editmsg + sed -ne '/^#/p' .editmsg rm .editmsg exit 1 fi diff --git a/git-fetch-script b/git-fetch-script index b581dc4cd6..dd94edeb38 100755 --- a/git-fetch-script +++ b/git-fetch-script @@ -7,28 +7,33 @@ _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40" append= force= +update_head_ok= while case "$#" in 0) break ;; esac do case "$1" in -a|--a|--ap|--app|--appe|--appen|--append) append=t - shift ;; -f|--f|--fo|--for|--forc|--force) force=t - shift + ;; + -u|--u|--up|--upd|--upda|--updat|--update|--update-|--update-h|\ + --update-he|--update-hea|--update-head|--update-head-|\ + --update-head-o|--update-head-ok) + update_head_ok=t ;; *) break ;; esac + shift done case "$#" in 0) test -f "$GIT_DIR/branches/origin" || test -f "$GIT_DIR/remotes/origin" || - die "Where do you want to fetch from?" + die "Where do you want to fetch from today?" set origin ;; esac @@ -124,6 +129,12 @@ fast_forward_local () { esac } +case "$update_head_ok" in +'') + orig_head=$(cat "$GIT_DIR/HEAD" 2>/dev/null) + ;; +esac + for ref in $(get_remote_refs_for_fetch "$@") do refs="$refs $ref" @@ -150,7 +161,7 @@ do fi head=$(curl -nsf $curl_extra_args "$remote/$remote_name") && expr "$head" : "$_x40\$" >/dev/null || - die "Failed to fetch $remote_name from $remote" + die "Failed to fetch $remote_name from $remote" echo Fetching "$remote_name from $remote" using http git-http-pull -v -a "$head" "$remote/" || exit ;; @@ -201,3 +212,18 @@ http://* | https://* | rsync://* ) done ;; esac + +# If the original head was empty (i.e. no "master" yet), or +# if we were told not to worry, we do not have to check. +case ",$update_head_ok,$orig_head," in +*,, | t,* ) + ;; +*) + curr_head=$(cat "$GIT_DIR/HEAD" 2>/dev/null) + if test "$curr_head" != "$orig_head" + then + echo "$orig_head" >$GIT_DIR/HEAD + die "Cannot fetch into the current branch." + fi + ;; +esac diff --git a/git-pull-script b/git-pull-script index 7016fbf943..c31a65ca8c 100755 --- a/git-pull-script +++ b/git-pull-script @@ -5,7 +5,25 @@ # Fetch one or more remote refs and merge it/them into the current HEAD. . git-sh-setup-script || die "Not a git archive" -git-fetch-script "$@" || exit 1 + +orig_head=$(cat "$GIT_DIR/HEAD") || die "Pulling into a black hole?" +git-fetch-script --update-head-ok "$@" || exit 1 + +curr_head=$(cat "$GIT_DIR/HEAD") +if test "$curr_head" != "$orig_head" +then + # The fetch involved updating the current branch. + + # The working tree and the index file is still based on the + # $orig_head commit, but we are merging into $curr_head. + # First update the working tree to match $curr_head. + + echo >&2 "Warning: fetch updated the current branch head." + echo >&2 "Warning: fast forwarding your working tree." + git-read-tree -u -m "$orig_head" "$curr_head" || + die "You need to first update your working tree." +fi + merge_head=$(sed -e 's/ .*//' "$GIT_DIR"/FETCH_HEAD | tr '\012' ' ') merge_name=$(sed -e 's/^[0-9a-f]* //' "$GIT_DIR"/FETCH_HEAD | tr '\012' ' ') |