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* Merge branch 'jc/diff' into nextJunio C Hamano2006-04-111-1/+5
|\ | | | | | | | | | | | | * jc/diff: blame and friends: adjust to multiple pathspec change. git log --full-diff tree-diff: do not assume we use only one pathspec
| * tree-diff: do not assume we use only one pathspecJunio C Hamano2006-04-101-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The way tree-diff was set up assumed we would use only one set of pathspec during the entire life of the program. Move the pathspec related static variables out to diff_options structure so that we can filter commits with one set of paths while show the actual diffs using different set of paths. I suspect this breaks blame.c, and makes "git log paths..." to default to the --full-diff, the latter of which is dealt with the next commit. Signed-off-by: Junio C Hamano <junkio@cox.net>
* | Document --patch-with-rawPetr Baudis2006-04-111-0/+2
| | | | | | | | | | Signed-off-by: Petr Baudis <pasky@suse.cz> Signed-off-by: Junio C Hamano <junkio@cox.net>
* | diff-* --patch-with-rawJunio C Hamano2006-04-101-0/+1
|/ | | | | | | This new flag outputs the diff-raw output and diff-patch output at the same time. Requested by Cogito. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Retire diffcore-pathspec.Junio C Hamano2006-04-101-1/+0
| | | | | | | | Nobody except diff-stages used it -- the callers instead filtered the input to diffcore themselves. Make diff-stages do that as well and retire diffcore-pathspec. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Support for pickaxe matching regular expressionsPetr Baudis2006-04-041-0/+1
| | | | | | | | | | | | | git-diff-* --pickaxe-regex will change the -S pickaxe to match POSIX extended regular expressions instead of fixed strings. The regex.h library is a rather stupid interface and I like pcre too, but with any luck it will be everywhere we will want to run Git on, it being POSIX.2 and all. I'm not sure if we can expect platforms like AIX to conform to POSIX.2 or if win32 has regex.h. We might add a flag to Makefile if there is a portability trouble potential. Signed-off-by: Petr Baudis <pasky@suse.cz>
* tree/diff header cleanup.Junio C Hamano2006-03-291-11/+1
| | | | | | | | | | | | | | | Introduce tree-walk.[ch] and move "struct tree_desc" and associated functions from various places. Rename DIFF_FILE_CANON_MODE(mode) macro to canon_mode(mode) and move it to cache.h. This macro returns the canonicalized st_mode value in the host byte order for files, symlinks and directories -- to be compared with a tree_desc entry. create_ce_mode(mode) in cache.h is similar but is intended to be used for index entries (so it does not work for directories) and returns the value in the network byte order. Signed-off-by: Junio C Hamano <junkio@cox.net>
* combine-diff: Record diff status a bit more faithfullyJunio C Hamano2006-02-101-0/+1
| | | | | | | | | | | | | | | | | | | | This shows "new file mode XXXX" and "deleted file mode XXXX" lines like two-way diff-patch output does, by checking the status from each parent. The diff-raw output for combined diff is made a bit uglier by showing diff status letters with each parent. While most of the case you would see "MM" in the output, an Evil Merge that touches a path that was added by inheriting from one parent is possible and it would be shown like these: $ git-diff-tree --abbrev -c HEAD 2d7ca89675eb8888b0b88a91102f096d4471f09f ::000000 000000 100644 0000000... 0000000... 31dd686... AA b ::000000 100644 100644 0000000... 6c884ae... c6d4fa8... AM d ::100644 100644 100644 4f7cbe7... f8c295c... 19d5d80... RR e Signed-off-by: Junio C Hamano <junkio@cox.net>
* combine-diff: move formatting logic to show_combined_diff()Junio C Hamano2006-02-091-1/+2
| | | | | | | | | | | | | | | | | This way, diff-files can make use of it. Also implement the full suite of what diff_flush_raw() supports just for consistency. With this, 'diff-tree -c -r --name-status' would show what is expected. There is no way to get the historical output (useful for debugging and low-level Plumbing work) anymore, so tentatively it makes '-m' to mean "do not combine and show individual diffs with parents". diff-files matches diff-tree to produce raw output for -c. For textual combined diff, use -p -c. Signed-off-by: Junio C Hamano <junkio@cox.net>
* diff-tree -c raw outputLinus Torvalds2006-02-091-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | NOTE! This makes "-c" be the default, which effectively means that merges are never ignored any more, and "-m" is a no-op. So it changes semantics. I would also like to make "--cc" the default if you do patches, but didn't actually do that. The raw output format is not wonderfully pretty, but it's distinguishable from a "normal patch" in that a normal patch with just one parent has just one colon at the beginning, while a multi-parent raw diff has <n> colons for <n> parents. So now, in the kernel, when you do git-diff-tree cce0cac125623f9b68f25dd1350f6d616220a8dd (to see the manual ARM merge that had a conflict in arch/arm/Kconfig), you get cce0cac125623f9b68f25dd1350f6d616220a8dd ::100644 100644 100644 4a63a8e2e45247a11c068c6ed66c6e7aba29ddd9 77eee38762d69d3de95ae45dd9278df9b8225e2c 2f61726d2f4b636f6e66696700dbf71a59dad287 arch/arm/Kconfig ie you see two colons (two parents), then three modes (parent modes followed by result mode), then three sha1s (parent sha1s followed by result sha1). Which is pretty close to the normal raw diff output. Cool/stupid exercise: $ git-whatchanged | grep '^::' | cut -f2- | sort | uniq -c | sort -n | less -S will show which files have needed the most file-level merge conflict resolution. Useful? Probably not. But kind of interesting. For the kernel, it's .... 10 arch/ia64/Kconfig 11 drivers/scsi/Kconfig 12 drivers/net/Makefile 17 include/linux/libata.h 18 include/linux/pci_ids.h 23 drivers/net/Kconfig 24 drivers/scsi/libata-scsi.c 28 drivers/scsi/libata-core.c 43 MAINTAINERS Signed-off-by: Junio C Hamano <junkio@cox.net>
* combine-diff: show mode changes as well.Junio C Hamano2006-02-061-1/+8
| | | | Signed-off-by: Junio C Hamano <junkio@cox.net>
* combine-diff: remove misguided --show-empty hack.Junio C Hamano2006-02-051-2/+2
| | | | | | | Now --always flag is available in diff-tree, there is no reason to have that hack in the diffcore side. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Make the "struct tree_desc" operations available to othersLinus Torvalds2006-01-311-0/+3
| | | | | | | | | | We have operations to "extract" and "update" a "struct tree_desc", but we only used them in tree-diff.c and they were static to that file. But other tree traversal functions can use them to their advantage Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
*-. Merge lt/revlist,jc/diff,jc/revparse,jc/abbrevJunio C Hamano2006-01-281-3/+13
|\ \
| | * abbrev cleanup: use symbolic constantsJunio C Hamano2006-01-281-3/+0
| |/ |/| | | | | | | | | | | | | | | | | The minimum length of abbreviated object name was hardcoded in different places to be 4, risking inconsistencies in the future. Also there were three different "default abbreviation precision". Use two C preprocessor symbols to clean up this mess. Signed-off-by: Junio C Hamano <junkio@cox.net>
| * diff-files: -c and --cc options.Junio C Hamano2006-01-281-0/+11
| | | | | | | | | | | | | | | | | | | | This ports the "combined diff" to diff-files so that differences to the working tree files since stage 2 and stage 3 are shown the same way as combined diff output from diff-tree for the merge commit would be shown if the current working tree files are committed. Signed-off-by: Junio C Hamano <junkio@cox.net>
| * diff-tree --cc: denser combined diff output for a merge commit.Junio C Hamano2006-01-281-1/+1
| | | | | | | | | | | | | | | | Building on the previous '-c' (combined) option, '--cc' option squelches the output further by omitting hunks that consist of difference with solely one parent. Signed-off-by: Junio C Hamano <junkio@cox.net>
| * diff-tree -c: show a merge commit a bit more sensibly.Junio C Hamano2006-01-281-0/+2
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A new option '-c' to diff-tree changes the way a merge commit is displayed when generating a patch output. It shows a "combined diff" (hence the option letter 'c'), which looks like this: $ git-diff-tree --pretty -c -p fec9ebf1 | head -n 18 diff-tree fec9ebf... (from parents) Merge: 0620db3... 8a263ae... Author: Junio C Hamano <junkio@cox.net> Date: Sun Jan 15 22:25:35 2006 -0800 Merge fixes up to GIT 1.1.3 diff --combined describe.c @@@ +98,7 @@@ return (a_date > b_date) ? -1 : (a_date == b_date) ? 0 : 1; } - static void describe(char *arg) - static void describe(struct commit *cmit, int last_one) ++ static void describe(char *arg, int last_one) { + unsigned char sha1[20]; + struct commit *cmit; There are a few things to note about this feature: - The '-c' option implies '-p'. It also implies '-m' halfway in the sense that "interesting" merges are shown, but not all merges. - When a blob matches one of the parents, we do not show a diff for that path at all. For a merge commit, this option shows paths with real file-level merge (aka "interesting things"). - As a concequence of the above, an "uninteresting" merge is not shown at all. You can use '-m' in addition to '-c' to show the commit log for such a merge, but there will be no combined diff output. - Unlike "gitk", the output is monochrome. A '-' character in the nth column means the line is from the nth parent and does not appear in the merge result (i.e. removed from that parent's version). A '+' character in the nth column means the line appears in the merge result, and the nth parent does not have that line (i.e. added by the merge itself or inherited from another parent). The above example output shows that the function signature was changed from either parents (hence two "-" lines and a "++" line), and "unsigned char sha1[20]", prefixed by a " +", was inherited from the first parent. The code as sent to the list was buggy in few corner cases, which I have fixed since then. It does not bother to keep track of and show the line numbers from parent commits, which it probably should. Signed-off-by: Junio C Hamano <junkio@cox.net>
* diff --abbrev: document --abbrev=<n> form.Junio C Hamano2005-12-191-1/+1
| | | | | | It was implemented there but was not advertised. Signed-off-by: Junio C Hamano <junkio@cox.net>
* diff: --abbrev optionJunio C Hamano2005-12-191-1/+8
| | | | | | | | | | | When I show transcripts to explain how something works, I often find myself hand-editing the diff-raw output to shorten various object names in the output. This adds --abbrev option to the diff family, which shortens diff-raw output and diff-tree commit id headers. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Move diff.renamelimit out of default configuration.Junio C Hamano2005-11-211-0/+1
| | | | | | | Otherwise we would end up linking all the unneeded stuff into git-daemon only to link with git_default_config. Signed-off-by: Junio C Hamano <junkio@cox.net>
* diff: --full-indexJunio C Hamano2005-11-161-1/+3
| | | | | | | | | A new option, --full-index, is introduced to diff family. This causes the full object name of pre- and post-images to appear on the index line of patch formatted output, to be used in conjunction with --allow-binary-replacement option of git-apply. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Documentation changes to recursive option for git-diff-treeChris Shoemaker2005-10-281-1/+0
| | | | | | | | | | Update docs and usages regarding '-r' recursive option for git-diff-tree. Remove '-r' from common diff options, mention it only for git-diff-tree. Remove one extraneous use of '-r' with git-diff-files in get-merge.sh. Sync the synopsis and usage string for git-diff-tree. Signed-off-by: Chris Shoemaker <c.shoemaker at cox.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Split up tree diff functions into tree-diff.c libraryLinus Torvalds2005-10-221-0/+29
| | | | | | | | | | | | | | | | | | | | | | This makes the tree diff functionality independent of the "git-diff-tree" program, by splitting the core functionality up into a library file. This will be needed for when we teach git-rev-list to only follow a specified set of pathnames, rather than the global revision history. Most of it is a fairly straightforward code move, but it also involves some calling convention cleanup, and moving some of the static variables from diff-tree.c into the options structure. The actual tree change callback routines also become paramterized by the diff_options structure, allowing the library functionality to do something else than just show the diff on stdout. Right now the only user of this functionality remains git-diff-tree itself. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Fix diff-filter All-Or-None mark.Junio C Hamano2005-10-041-1/+1
| | | | | | | | | | | | | | | | | | When we updated the marker for new files from 'N' to 'A', we forgot to notice that the letter is already taken by the All-Or-None mark. Change the All-Or-None marker to '*' to resolve this conflict. git-diff-tree -r --diff-filter='R*' -M shows all the changes (not just renames) that are contained in commits that have renames, in comparison with: git-diff-tree -r --diff-filter='R' -M shows the same set of changes but the diff output are limited only to renaming changes. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Diff: --name-status output format.Junio C Hamano2005-09-241-0/+2
| | | | | | The new output format shows only the status letter and paths. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Diff: -l<num> to limit rename/copy detection.Junio C Hamano2005-09-241-15/+15
| | | | | | | | When many paths are modified, rename detection takes a lot of time. The new option -l<num> can be used to disable rename detection when more than <num> paths are possibly created as renames. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Diff clean-up.Junio C Hamano2005-09-241-16/+31
| | | | | | | This is a long overdue clean-up to the code for parsing and passing diff options. It also tightens some constness issues. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Retire diff-helper.Junio C Hamano2005-09-221-9/+0
| | | | | | | The textual diff generation with built-in '-p' in diff-* brothers has proven to be useful enough that git-diff-helper outlived its usefulness. Signed-off-by: Junio C Hamano <junkio@cox.net>
* diff-raw: Use 'A' instead of 'N' for added files.Junio C Hamano2005-07-251-1/+1
| | | | | | | This actually changes the diff-raw status letter from N to A for added files. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Use symbolic constants for diff-raw status indicators.Junio C Hamano2005-07-251-0/+16
| | | | | | | | | Both Cogito and StGIT prefer to see 'A' for new files. The current 'N' is visually harder to distinguish from 'M', which is used for modified files. Prepare the internals to use symbolic constants to make the change easier. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Split up "diff_format" into "format" and "line_termination".Linus Torvalds2005-07-141-4/+2
| | | | | | | | | | | This removes the separate "formats" for name and name-with-zero- termination. It also removes the difference between HUMAN and MACHINE formats, and they both become DIFF_FORMAT_RAW, with the difference being just in the line and inter-filename termination. It also makes the code easier to understand.
* [PATCH] Clean up diff option descriptions.Junio C Hamano2005-07-131-0/+20
| | | | | | | | I got tired of maintaining almost duplicated descriptions in diff-* brothers, both in usage string and documentation. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] git-diff-*: --name-only and --name-only-z.Junio C Hamano2005-07-131-0/+2
| | | | | | | | | | | Porcelain layers often want to find only names of changed files, and even with diff-raw output format they end up having to pick out only the filename. Support --name-only (and --name-only-z for xargs -0 and cpio -0 users that want to treat filenames with embedded newlines sanely) flag to help them. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Add --diff-filter= output restriction to diff-* family.Junio C Hamano2005-06-121-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | This is a halfway between debugging aid and a helper to write an ultra-smart merge scripts. The new option takes a string that consists of a list of "status" letters, and limits the diff output to only those classes of changes, with two exceptions: - A broken pair (aka "complete rewrite"), does not match D (deleted) or N (created). Use B to look for them. - The letter "A" in the diff-filter string does not match anything itself, but causes the entire diff that contains selected patches to be output (this behaviour is similar to that of --pickaxe-all for the -S option). For example, $ git-rev-list HEAD | git-diff-tree --stdin -s -v -B -C --diff-filter=BCR shows a list of commits that have complete rewrite, copy, or rename. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] diff: Fix docs and add -O to diff-helper.Junio C Hamano2005-06-031-9/+1
| | | | | | | | | | | | | | | | | | | | | | This patch updates diff documentation and usage strings: - clarify the semantics of -R. It is not "output in reverse"; rather, it is "I will feed diff backwards". Semantically they are different when -C is involved. - describe -O in usage strings of diff-* brothers. It was implemented, documented but not described in usage text. Also it adds -O to diff-helper. Like -S (and unlike -M/-C/-B), this option can work on sanitized diff-raw output produced by the diff-* brothers. While we are at it, the call it makes to diffcore is cleaned up to use the diffcore_std() like everybody else, and the declaration for the low level diffcore routines are moved from diff.h (public) to diffcore.h (private between diff.c and diffcore backends). Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] diff: mode bits fixesJunio C Hamano2005-06-011-0/+4
| | | | | | | | | | | | | | | | | | | The core GIT repository has trees that record regular file mode in 0664 instead of normalized 0644 pattern. Comparing such a tree with another tree that records the same file in 0644 pattern without content changes with git-diff-tree causes it to feed otherwise unmodified pairs to the diff_change() routine, which triggers a sanity check routine and barfs. This patch fixes the problem, along with the fix to another caller that uses unnormalized mode bits to call diff_change() routine in a similar way. Without this patch, you will see "fatal error" from diff-tree when you run git-deltafy-script on the core GIT repository itself. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Add -O<orderfile> option to diff-* brothers.Junio C Hamano2005-05-301-2/+5
| | | | | | | | | | | | | | | | | | | | A new diffcore filter diffcore-order is introduced. This takes a text file each of whose line is a shell glob pattern. Patches that match a glob pattern on an earlier line in the file are output before patches that match a later line, and patches that do not match any glob pattern are output last. A typical orderfile for git project probably should look like this: README Makefile Documentation *.h *.c Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Add -B flag to diff-* brothers.Junio C Hamano2005-05-301-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A new diffcore transformation, diffcore-break.c, is introduced. When the -B flag is given, a patch that represents a complete rewrite is broken into a deletion followed by a creation. This makes it easier to review such a complete rewrite patch. The -B flag takes the same syntax as the -M and -C flags to specify the minimum amount of non-source material the resulting file needs to have to be considered a complete rewrite, and defaults to 99% if not specified. As the new test t4008-diff-break-rewrite.sh demonstrates, if a file is a complete rewrite, it is broken into a delete/create pair, which can further be subjected to the usual rename detection if -M or -C is used. For example, if file0 gets completely rewritten to make it as if it were rather based on file1 which itself disappeared, the following happens: The original change looks like this: file0 --> file0' (quite different from file0) file1 --> /dev/null After diffcore-break runs, it would become this: file0 --> /dev/null /dev/null --> file0' file1 --> /dev/null Then diffcore-rename matches them up: file1 --> file0' The internal score values are finer grained now. Earlier maximum of 10000 has been raised to 60000; there is no user visible changes but there is no reason to waste available bits. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] diff: consolidate various calls into diffcore.Junio C Hamano2005-05-301-0/+4
| | | | | | | | | | | The three diff-* brothers had a sequence of calls into diffcore that were almost identical. Introduce a new diffcore_std() function that takes all the necessary arguments to consolidate it. This will make later enhancements and changing the order of diffcore application simpler. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Optimize diff-tree -[CM] --stdinJunio C Hamano2005-05-291-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | This attempts to optimize "diff-tree -[CM] --stdin", which compares successible tree pairs. This optimization does not make much sense for other commands in the diff-* brothers. When reading from --stdin and using rename/copy detection, the patch makes diff-tree to read the current index file first. This is done to reuse the optimization used by diff-cache in the non-cached case. Similarity estimator can avoid expanding a blob if the index says what is in the work tree has an exact copy of that blob already expanded. Another optimization the patch makes is to check only file sizes first to terminate similarity estimation early. In order for this to work, it needs a way to tell the size of the blob without expanding it. Since an obvious way of doing it, which is to keep all the blobs previously used in the memory, is too costly, it does so by keeping the filesize for each object it has already seen in memory. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Add --pickaxe-all to diff-* brothers.Junio C Hamano2005-05-291-1/+3
| | | | | | | | | | When --pickaxe-all is given in addition to -S, pickaxe shows the entire diffs contained in the changeset, not just the diffs for the filepair that touched the sought-after string. This is useful to see the changes in context. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Clean up diff_setup() to make it more extensible.Junio C Hamano2005-05-291-5/+7
| | | | | | | | | This changes the argument of diff_setup() from an integer that says if we are feeding reversed diff to a bitmask, so that later global options can be added more easily. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Fix diff-pruning logic which was running prune too early.Junio C Hamano2005-05-231-2/+0
| | | | | | | | | | | | | For later stages to reorder patches, pruning logic and rename detection logic should not decide which delete to discard (because another entry said it will take over the file as a rename) until the very end. Also fix some tests that were assuming the earlier "last one is rename or keep everything else is copy" semantics of diff-raw format, which no longer is true. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] diff-raw format update take #2.Junio C Hamano2005-05-231-7/+9
| | | | | | | | | | | This changes the diff-raw format again, following the mailing list discussion. The new format explicitly expresses which one is a rename and which one is a copy. The documentation and tests are updated to match this change. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Diffcore updates.Junio C Hamano2005-05-221-7/+15
| | | | | | | | | | | | | | This moves the path selection logic from individual programs to a new diffcore transformer (diff-tree still needs to have its own for performance reasons). Also the header printing code in diff-tree was tweaked not to produce anything when pickaxe is in effect and there is nothing interesting to report. An interesting example is the following in the GIT archive itself: $ git-whatchanged -p -C -S'or something in a real script' Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] The diff-raw format updates.Junio C Hamano2005-05-211-1/+11
| | | | | | | | | | | | | | | | | Update the diff-raw format as Linus and I discussed, except that it does not use sequence of underscore '_' letters to express nonexistence. All '0' mode is used for that purpose instead. The new diff-raw format can express rename/copy, and the earlier restriction that -M and -C _must_ be used with the patch format output is no longer necessary. The patch makes -M and -C flags independent of -p flag, so you need to say git-whatchanged -M -p to get the diff/patch format. Updated are both documentations and tests. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Prepare diffcore interface for diff-tree header supression.Junio C Hamano2005-05-211-5/+7
| | | | | | | | This does not actually supress the extra headers when pickaxe is used, but prepares enough support for diff-tree to implement it. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Constness fix for pickaxe option.Junio C Hamano2005-05-211-1/+1
| | | | | | Constness fix for pickaxe option. Signed-off-by: Junio C Hamano <junkio@cox.net>
* [PATCH] Introducing software archaeologist's tool "pickaxe".Junio C Hamano2005-05-211-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | This steals the "pickaxe" feature from JIT and make it available to the bare Plumbing layer. From the command line, the user gives a string he is intersted in. Using the diff-core infrastructure previously introduced, it filters the differences to limit the output only to the diffs between <src> and <dst> where the string appears only in one but not in the other. For example: $ ./git-rev-list HEAD | ./git-diff-tree -Sdiff-tree-helper --stdin -M would show the diffs that touch the string "diff-tree-helper". In real software-archaeologist application, you would typically look for a few to several lines of code and see where that code came from. The "pickaxe" module runs after "rename/copy detection" module, so it even crosses the file rename boundary, as the above example demonstrates. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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