kernel/git - git - PowerEL Git System

Commit Graph

Author	SHA1	Message	Date
SZEDER Gábor	ca4e3ca029	diffcore: fix iteration order of identical files during rename detection If the two paths 'dir/A/file' and 'dir/B/file' have identical content and the parent directory is renamed, e.g. 'git mv dir other-dir', then diffcore reports the following exact renames: renamed: dir/B/file -> other-dir/A/file renamed: dir/A/file -> other-dir/B/file While technically not wrong, this is confusing not only for the user, but also for git commands that make decisions based on rename information, e.g. 'git log --follow other-dir/A/file' follows 'dir/B/file' past the rename. This behavior is a side effect of commit v2.0.0-rc4~8^2~14 (diffcore-rename.c: simplify finding exact renames, 2013-11-14): the hashmap storing sources returns entries from the same bucket, i.e. sources matching the current destination, in LIFO order. Thus the iteration first examines 'other-dir/A/file' and 'dir/B/file' and, upon finding identical content and basename, reports an exact rename. Other hashmap users are apparently happy with the current iteration order over the entries of a bucket. Changing the iteration order would risk upsetting other hashmap users and would increase the memory footprint of each bucket by a pointer to the tail element. Fill the hashmap with source entries in reverse order to restore the original exact rename detection behavior. Reported-by: Bill Okara <billokara@gmail.com> Signed-off-by: SZEDER Gábor <szeder@ira.uka.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	9 years ago
Matthieu Moy	5404c116aa	diff: activate diff.renames by default Rename detection is a very convenient feature, and new users shouldn't have to dig in the documentation to benefit from it. Potential objections to activating rename detection are that it sometimes fail, and it is sometimes slow. But rename detection is already activated by default in several cases like "git status" and "git merge", so activating diff.renames does not fundamentally change the situation. When the rename detection fails, it now fails consistently between "git diff" and "git status". This setting does not affect plumbing commands, hence well-written scripts will not be affected. Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>	9 years ago
Matthieu Moy	a9276a69ca	t: add tests for diff.renames (true/false/unset) The underlying machinery is well-tested, but the configuration option itself was tested only in t3400-rebase.sh. Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>	9 years ago
Matthieu Moy	f07fc9e753	t4001-diff-rename: wrap file creations in a test Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>	9 years ago
Antoine Pelisse	b174eb42d0	tests: make sure rename pretty print works Add basic use cases and corner cases tests for "git diff -M --summary/stat". Signed-off-by: Antoine Pelisse <apelisse@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	12 years ago
Junio C Hamano	68b2a0055c	i18n: use test_i18ncmp and test_i18ngrep in t3700, t4001 and t4014 Signed-off-by: Junio C Hamano <gitster@pobox.com>	14 years ago
Junio C Hamano	f31027c99c	diffcore-rename: fall back to -C when -C -C busts the rename limit When there are too many paths in the project, the number of rename source candidates "git diff -C -C" finds will exceed the rename detection limit, and no inexact rename detection is performed. We however could fall back to "git diff -C" if the number of modified paths is sufficiently small. Signed-off-by: Junio C Hamano <gitster@pobox.com>	14 years ago
Ævar Arnfjörð Bjarmason	d2b044bee5	i18n: git-status "renamed: " message Gettextize the "renamed: %s -> %s" message which appears as part of git-status(1) output. Two tests in t4001-diff-rename.sh explicitly checked for this message. Change them to skip under GETTEXT_POISON=YesPlease. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	14 years ago
Junio C Hamano	bfdbee9810	tests: use $TEST_DIRECTORY to refer to the t/ directory Many test scripts assumed that they will start in a 'trash' subdirectory that is a single level down from the t/ directory, and referred to their test vector files by asking for files like "../t9999/expect". This will break if we move the 'trash' subdirectory elsewhere. To solve this, we earlier introduced "$TEST_DIRECTORY" so that they can refer to t/ directory reliably. This finally makes all the tests use it to refer to the outside environment. With this patch, and a one-liner not included here (because it would contradict with what Dscho really wants to do): \| diff --git a/t/test-lib.sh b/t/test-lib.sh \| index 70ea7e0..60e69e4 100644 \| --- a/t/test-lib.sh \| +++ b/t/test-lib.sh \| @@ -485,7 +485,7 @@ fi \| . ../GIT-BUILD-OPTIONS \| \| # Test repository \| -test="trash directory" \| +test="trash directory/another level/yet another" \| rm -fr "$test" \|\| { \| trap - exit \| echo >&5 "FATAL: Cannot prepare test area" all the tests still pass, but we would want extra sets of eyeballs on this type of change to really make sure. [jc: with help from Stephan Beyer on http-push tests I do not run myself; credits for locating silly quoting errors go to Olivier Marin.] Signed-off-by: Junio C Hamano <gitster@pobox.com>	17 years ago
Johannes Schindelin	10455d2a95	Replace the word 'update-cache' by 'update-index' everywhere Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	18 years ago
Johannes Schindelin	637efc3456	Replace "runstatus" with "status" in the tests We no longer have "runstatus", but running "status" is no longer that expensive anyway; it is a builtin. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	18 years ago
Junio C Hamano	5be60078c9	Rewrite "git-frotz" to "git frotz" This uses the remove-dashes target to replace "git-frotz" to "git frotz". Signed-off-by: Junio C Hamano <gitster@pobox.com>	18 years ago
Johannes Schindelin	0ce396431e	diffcore-rename: favour identical basenames When there are several candidates for a rename source, and one of them has an identical basename to the rename target, take that one. Noticed by Govind Salinas, posted by Shawn O. Pearce, partial patch by Linus Torvalds. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	18 years ago
Mark Wooding	acb7257729	xdiff: Show function names in hunk headers. The speed of the built-in diff generator is nice; but the function names shown by `diff -p' are /really/ nice. And I hate having to choose. So, we hack xdiff to find the function names and print them. xdiff has grown a flag to say whether to dig up the function names. The builtin_diff function passes this flag unconditionally. I suppose it could parse GIT_DIFF_OPTS, but it doesn't at the moment. I've also reintroduced the `function name' into the test suite, from which it was removed in commit `3ce8f089`. The function names are parsed by a particularly stupid algorithm at the moment: it just tries to find a line in the `old' file, from before the start of the hunk, whose first character looks plausible. Still, it's most definitely a start. Signed-off-by: Mark Wooding <mdw@distorted.org.uk> Signed-off-by: Junio C Hamano <junkio@cox.net>	19 years ago
Junio C Hamano	3ce8f08944	built-in diff: minimum tweaks This fixes up a couple of minor issues with the real built-in diff to be more usable: - Omit ---/+++ header unless we emit diff output; - Detect and punt binary diff like GNU does; - Honor GIT_DIFF_OPTS minimally (only -u<number> and --unified=<number> are currently supported); - Omit line count of 1 from "@@ -l,k +m,n @@" hunk header (i.e. when k == 1 or n == 1) - Adjust testsuite for the lack of -p support. Signed-off-by: Junio C Hamano <junkio@cox.net>	19 years ago
Junio C Hamano	ec1fcc16af	Show original and resulting blob object info in diff output. This adds more cruft to diff --git header to record the blob SHA1 and the mode the patch/diff is intended to be applied against, to help the receiving end fall back on a three-way merge. The new header looks like this: diff --git a/apply.c b/apply.c index 7be5041..8366082 100644 --- a/apply.c +++ b/apply.c @@ -14,6 +14,7 @@ // files that are being modified, but doesn't apply the patch // --stat does just a diffstat, and doesn't actually apply +// --show-index-info shows the old and new index info for... ... Upon receiving such a patch, if the patch did not apply cleanly to the target tree, the recipient can try to find the matching old objects in her object database and create a temporary tree, apply the patch to that temporary tree, and attempt a 3-way merge between the patched temporary tree and the target tree using the original temporary tree as the common ancestor. The patch lifts the code to compute the hash for an on-filesystem object from update-index.c and makes it available to the diff output routine. Signed-off-by: Junio C Hamano <junkio@cox.net>	20 years ago
Junio C Hamano	215a7ad1ef	Big tool rename. As promised, this is the "big tool rename" patch. The primary differences since 0.99.6 are: (1) git-*-script are no more. The commands installed do not have any such suffix so users do not have to remember if something is implemented as a shell script or not. (2) Many command names with 'cache' in them are renamed with 'index' if that is what they mean. There are backward compatibility symblic links so that you and Porcelains can keep using the old names, but the backward compatibility support is expected to be removed in the near future. Signed-off-by: Junio C Hamano <junkio@cox.net>	20 years ago
Linus Torvalds	dc93841715	diff 'rename' format change. Clearly even Junio felt git "rename" header lines should say "from/to" instead of "old/new", since he wrote the documentation that way. This way it also matches "copy". git-apply will accept both versions, at least for a while.	20 years ago
Junio C Hamano	427dcb4bca	[PATCH] Diff overhaul, adding half of copy detection. This introduces the diff-core, the layer between the diff-tree family and the external diff interface engine. The calls to the interface diff-tree family uses (diff_change and diff_addremove) have not changed and will not change. The purpose of the diff-core layer is to provide an infrastructure to transform the set of differences sent from the applications, before sending them to the external diff interface. The recently introduced rename detection code has been rewritten to use the diff-core facility. When applications send in separate creates and deletes, matching ones are transformed into a single rename-and-edit diff, and sent out to the external diff interface as such. This patch also enhances the rename detection code further to be able to detect copies. Currently this happens only as long as copy sources appear as part of the modified files, but there already is enough provision for callers to report unmodified files to diff-core, so that they can be also used as copy source candidates. Extending the callers this way will be done in a separate patch. Please see and marvel at how well this works by trying out the newly added t/t4003-diff-rename-1.sh test script. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>	20 years ago
Linus Torvalds	de809dbbce	Fix up previous commit Add '-R' flag to diff-tree, and change the test subdirectory shell files to be executable (something that Junio couldn't get me to do through the pure patch with my current patch handling infrastructure).	20 years ago
Junio C Hamano	57fe64a40d	[PATCH] diff overhaul This cleans up the way calls are made into the diff core from diff-tree family and diff-helper. Earlier, these programs had "if (generating_patch)" sprinkled all over the place, but those ugliness are gone and handled uniformly from the diff core, even when not generating patch format. This also allowed diff-cache and diff-files to acquire -R (reverse) option to generate diff in reverse. Users of diff-tree can swap two trees easily so I did not add -R there. [ Linus' note: I'll add -R to "diff-tree" too, since a "commit diff" doesn't have another tree to switch around: the other tree is always the parent(s) of the commit ] Also -M<digits-as-mantissa> suggestion made by Linus has been implemented. Documentation updates are also included. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>	20 years ago
Junio C Hamano	5c97558c9a	[PATCH] Detect renames in diff family. This rips out the rename detection engine from diff-helper and moves it to the diff core, and updates the internal calling convention used by diff-tree family into the diff core. In order to give the same option name to diff-tree family as well as to diff-helper, I've changed the earlier diff-helper '-r' option to '-M' (stands for Move; sorry but the natural abbreviation 'r' for 'rename' is already taken for 'recursive'). Although I did a fair amount of test with the git-diff-tree with existing rename commits in the core GIT repository, this should still be considered beta (preview) release. This patch depends on the diff-delta infrastructure just committed. This implements almost everything I wanted to see in this series of patch, except a few minor cleanups in the calling convention into diff core, but that will be a separate cleanup patch. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>	20 years ago

26 Commits (217bb56d4f32f1637b40fcf53237586f0ec27c15)