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2013-06-07t3509, t4023, t4114: use test_ln_s_add to remove SYMLINKS prerequisiteLibravatar Johannes Sixt3-36/+33
In t4023 and t4114, we have to remove the entries using 'git rm' because otherwise the entries that must turn from symbolic links to regular files would stay symbolic links in the index. For the same reason, we have to use 'git mv' instead of plain 'mv' in t3509. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-07t3100: use test_ln_s_add to remove SYMLINKS prerequisiteLibravatar Johannes Sixt1-27/+15
This undoes the special casing introduced in this test by 704a3143 (Use prerequisite tags to skip tests that depend on symbolic links, 2009-03-04). Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-07t3030: use test_ln_s_add to remove SYMLINKS prerequisiteLibravatar Johannes Sixt1-36/+26
The test cases include many corner-cases of merge-recursive's behavior, some of them involve type changes and symbolic links. All cases, including those that are protected by SYMLINKS check only whether the result of merge-recursive is correctly stored in the database and the index; the file system is not investigated. Use test_ln_s_add to enter a symbolic link in the index in the test setup and run the tests without the SYMLINKS prerequisite. Notice that one test that has the SYMLINKS protection removed is an expect_failure. There is a possibility that the test fails differently depending on whether SYMLINKS is present or not; but this is not the case presently. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-07t0000: use test_ln_s_add to remove SYMLINKS prerequisiteLibravatar Johannes Sixt1-29/+10
t0000-basic hard-codes many object IDs. To cater to file systems that do not support symbolic links, different IDs are used depending on the SYMLINKS prerequisite. But we can observe the symbolic links are only needed to generate index entries. Use test_ln_s_add to generate the index entries and get rid of explicit SYMLINKS checks. This undoes the special casing introduced in this test by 704a3143 (Use prerequisite tags to skip tests that depend on symbolic links, 2009-03-04). Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-07tests: use test_ln_s_add to remove SYMLINKS prerequisite (trivial cases)Libravatar Johannes Sixt19-110/+106
There are many instances where the treatment of symbolic links in the object model and the algorithms are tested, but where it is not necessary to actually have a symbolic link in the worktree. Make adjustments to the tests and remove the SYMLINKS prerequisite when appropriate in trivial cases, where "trivial" means: - merely a replacement of 'ln -s a b && git add b' by test_ln_s_add is needed; - a test for symbolic link on the file system can be split off (and remains protected by SYMLINKS); - existing code is equivalent to test_ln_s_add. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-07tests: introduce test_ln_s_addLibravatar Johannes Sixt2-0/+31
Add a new function that creates a symbolic link and adds it to the index to be used in cases where a symbolic link is not required on the file system. We will use it to remove many SYMLINKS prerequisites from test cases. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-07t3010: modernize styleLibravatar Johannes Sixt1-62/+61
In particular: - move test preparations inside test_expect_success - place test description on the test_expect_success line - indent with a tab Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-20git-svn: introduce --parents parameter for commands branch and tagLibravatar Tobias Schulte1-0/+48
This parameter is equivalent to the parameter --parents on svn cp commands and is useful for non-standard repository layouts. Signed-off-by: Tobias Schulte <tobias.schulte@gliderpilot.de> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2013-05-17difftool: fix dir-diff when file does not exist in working treeLibravatar John Keeping1-0/+7
Commit 02c5631 (difftool --dir-diff: symlink all files matching the working tree, 2013-03-14) does not handle the case where a file that is being compared does not exist in the working tree. Fix this by checking for existence explicitly before running git-hash-object. Reported-by: Kevin Bracey <kevin@bracey.fi> Signed-off-by: John Keeping <john@keeping.me.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-11Merge git://git.bogomips.org/git-svnLibravatar Junio C Hamano2-1/+149
* git://git.bogomips.org/git-svn: git-svn: added an --include-path flag Git::SVN::*: add missing "NAME" section to perldoc git-svn: avoid self-referencing mergeinfo
2013-05-09Sync with v1.8.2.3Libravatar Junio C Hamano1-4/+3
* maint: Git 1.8.2.3 t5004: avoid using tar for checking emptiness of archive t5004: ignore pax global header file mergetools/kdiff3: do not use --auto when diffing transport-helper: trivial style cleanup
2013-05-09t5004: avoid using tar for checking emptiness of archiveLibravatar René Scharfe1-3/+2
Test 2 of t5004 checks if a supposedly empty tar archive really contains no files. 24676f02 (t5004: fix issue with empty archive test and bsdtar) removed our commit hash to make it work with bsdtar, but the test still fails on NetBSD and OpenBSD, which use their own tar that considers a tar file containing only NULs as broken. Here's what the different archivers do when asked to create a tar file without entries: $ uname -v NetBSD 6.0.1 (GENERIC) $ gtar --version | head -1 tar (GNU tar) 1.26 $ bsdtar --version bsdtar 2.8.4 - libarchive 2.8.4 $ : >zero.tar $ perl -e 'print "\0" x 10240' >tenk.tar $ sha1 zero.tar tenk.tar SHA1 (zero.tar) = da39a3ee5e6b4b0d3255bfef95601890afd80709 SHA1 (tenk.tar) = 34e163be8e43c5631d8b92e9c43ab0bf0fa62b9c $ : | tar cf - -T - | sha1 da39a3ee5e6b4b0d3255bfef95601890afd80709 $ : | gtar cf - -T - | sha1 34e163be8e43c5631d8b92e9c43ab0bf0fa62b9c $ : | bsdtar cf - -T - | sha1 34e163be8e43c5631d8b92e9c43ab0bf0fa62b9c So NetBSD's native tar creates an empty file, while GNU tar and bsdtar both give us 10KB of NULs -- just like git archive with an empty tree. Now let's see how the archivers handle these two kinds of empty tar files: $ tar tf zero.tar; echo $? tar: Unexpected EOF on archive file 1 $ gtar tf zero.tar; echo $? gtar: This does not look like a tar archive gtar: Exiting with failure status due to previous errors 2 $ bsdtar tf zero.tar; echo $? 0 $ tar tf tenk.tar; echo $? tar: Cannot identify format. Searching... tar: End of archive volume 1 reached tar: Sorry, unable to determine archive format. 1 $ gtar tf tenk.tar; echo $? 0 $ bsdtar tf tenk.tar; echo $? 0 NetBSD's tar complains about both, bsdtar happily accepts any of them and GNU tar doesn't like zero-length archive files. So the safest course of action is to stay with our block-of-NULs format which is compatible with GNU tar and bsdtar, as we can't make NetBSD's native tar happy anyway. We can simplify our test, however, by taking tar out of the picture. Instead of extracting the archive and checking for the non-presence of files, check if the file has a size of 10KB and contains only NULs. This makes t5004 pass on NetBSD and OpenBSD. Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-09t5004: ignore pax global header fileLibravatar René Scharfe1-1/+1
Versions of tar that don't know pax headers -- like the ones in NetBSD 6 and OpenBSD 5.2 -- extract them as regular files. Explicitly ignore the file created for our global header when checking the list of extracted files, as this is normal and harmless fall-back behaviour. This fixes test 3 of t5004 on these platforms. Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-09git-svn: added an --include-path flagLibravatar Paul Walmsley1-0/+149
The SVN::Fetcher module is now able to filter for inclusion as well as exclusion (as used by --ignore-path). Also added tests, documentation changes and git completion script. If you have an SVN repository with many top level directories and you only want a git-svn clone of some of them then using --ignore-path is difficult as it requires a very long regexp. In this case it's much easier to filter for inclusion. [ew: remove trailing whitespace] Signed-off-by: Paul Walmsley <pjwhams@gmail.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2013-05-09git-svn: avoid self-referencing mergeinfoLibravatar Michael Contreras1-1/+0
When svn.pushmergeinfo is set, the target branch is included in the mergeinfo if it was previously merged into one of the source branches. SVN does not do this. Remove merge target branch path from resulting mergeinfo when svn.pushmergeinfo is set to better match the behavior of SVN. Update the svn-mergeinfo-push test. [ew: 80 columns] Signed-off-by: Michael Contreras <michael@inetric.com> Reported-by: Avishay Lavie <avishay.lavie@gmail.com> Acked-by: Eric Wong <normalperson@yhbt.net>
2013-05-06Merge branch 'jk/merge-tree-added-identically'Libravatar Junio C Hamano1-0/+51
* jk/merge-tree-added-identically: merge-tree: handle directory/empty conflict correctly
2013-05-06merge-tree: handle directory/empty conflict correctlyLibravatar John Keeping1-0/+51
git-merge-tree causes a null pointer dereference when a directory entry exists in only one or two of the three trees being compared with no corresponding entry in the other tree(s). When this happens, we want to handle the entry as a directory and not attempt to mark it as a file merge. Do this by setting the entries bit in the directory mask when the entry is missing or when it is a directory, only performing the file comparison when we know that a file entry exists. Reported-by: Andreas Jacobsen <andreas@andreasjacobsen.com> Signed-off-by: John Keeping <john@keeping.me.uk> Tested-by: Andreas Jacobsen <andreas@andreasjacobsen.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-05Merge branch 'fc/push-with-export-reporting-result'Libravatar Junio C Hamano1-0/+14
* fc/push-with-export-reporting-result: transport-helper: improve push messages
2013-05-05transport-helper: improve push messagesLibravatar Felipe Contreras1-0/+14
If there's already a remote-helper tracking ref, we can fetch the SHA-1 to report proper push messages (as opposed to always reporting [new branch]). The remote-helper currently can specify the old SHA-1 to avoid this problem, but there's no point in forcing all remote-helpers to be aware of git commit ids; they should be able to be agnostic of them. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-03Merge branch 'tr/remote-tighten-commandline-parsing' into maintLibravatar Junio C Hamano1-0/+22
* tr/remote-tighten-commandline-parsing: remote: 'show' and 'prune' can take more than one remote remote: check for superfluous arguments in 'git remote add' remote: add a test for extra arguments, according to docs
2013-05-01Merge branch 'tr/remote-tighten-commandline-parsing'Libravatar Junio C Hamano1-0/+22
* tr/remote-tighten-commandline-parsing: remote: 'show' and 'prune' can take more than one remote remote: check for superfluous arguments in 'git remote add' remote: add a test for extra arguments, according to docs
2013-05-01Merge branch 'zk/prompt-rebase-step'Libravatar Junio C Hamano1-4/+10
* zk/prompt-rebase-step: bash-prompt.sh: show where rebase is at when stopped
2013-04-28Merge branch 'maint'Libravatar Junio C Hamano1-38/+0
* maint: documentation: trivial whitespace cleanups t/Makefile: remove smoke test targets
2013-04-28t/Makefile: remove smoke test targetsLibravatar John Keeping1-38/+0
Commit d24fbca (Remove Git's support for smoke testing - 2011-12-23) removed the smoke test support from the test suite but it was re-added by commit 342e9ef (Introduce a performance testing framework - 2012-02-17). This appears to be the result of a mis-rebase, since re-adding the smoke testing infrastructure does not relate to the subject of that commit. The current 'smoke' target is broken since the 'harness' script it uses no longer exists, so just reapply this section of commit d24fbca and remove all of the smoke testing section in the makefile. Signed-off-by: John Keeping <john@keeping.me.uk> Acked-by: Thomas Rast <trast@inf.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-28Merge branch 'jk/merge-tree-added-identically'Libravatar Junio C Hamano1-0/+13
off-by-one fix. * jk/merge-tree-added-identically: merge-tree: fix typo in "both changed identically"
2013-04-28merge-tree: fix typo in "both changed identically"Libravatar John Keeping1-0/+13
Commit aacecc3 (merge-tree: don't print entries that match "local" - 2013-04-07) had a typo causing the "same in both" check to be incorrect and check if both the base and "their" versions are removed instead of checking that both the "our" and "their" versions are removed. Fix this. Reported-by: René Scharfe <rene.scharfe@lsrfire.ath.cx> Test-written-by: René Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: John Keeping <john@keeping.me.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-26Merge branch 'th/bisect-skipped-log'Libravatar Junio C Hamano1-0/+20
* th/bisect-skipped-log: bisect: Log possibly bad, skipped commits at bisection end
2013-04-26Merge branch 'ph/rebase-original'Libravatar Junio C Hamano1-0/+7
* ph/rebase-original: rebase: find orig_head unambiguously
2013-04-26Sync with 1.8.2.2Libravatar Junio C Hamano3-10/+22
2013-04-26Merge branch 'jk/chopped-ident' into maintLibravatar Junio C Hamano2-4/+43
* jk/chopped-ident: blame: handle broken commit headers gracefully pretty: handle broken commit headers gracefully cat-file: print tags raw for "cat-file -p"
2013-04-26Merge branch 'rt/commentchar-fmt-merge-msg' into maintLibravatar Junio C Hamano1-0/+18
* rt/commentchar-fmt-merge-msg: t6200: avoid path mangling issue on Windows fmt-merge-msg: use core.commentchar in tag signatures completely fmt-merge-msg: respect core.commentchar in people credits
2013-04-26Merge branch 'rs/empty-archive' into maintLibravatar Junio C Hamano1-1/+1
* rs/empty-archive: t5004: fix issue with empty archive test and bsdtar
2013-04-26Merge branch 'pe/pull-rebase-v-q' into maintLibravatar Junio C Hamano1-0/+27
* pe/pull-rebase-v-q: pull: Apply -q and -v options to rebase mode as well
2013-04-26t7409: do not use export X=YLibravatar Torsten Bögershausen1-4/+10
The shell syntax "export X=Y A=B" is not understood by all shells. Signed-off-by: Torsten Bögershausen <tboegi@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-26t9501: do not use export X=YLibravatar Torsten Bögershausen1-5/+10
The shell syntax "export X=Y" is not understood by all shells. Signed-off-by: Torsten Bögershausen <tboegi@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-26t9020: do not use export X=YLibravatar Torsten Bögershausen1-1/+2
The shell syntax "export X=Y" is not understood by all shells. Signed-off-by: Torsten Bögershausen <tboegi@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-25bash-prompt.sh: show where rebase is at when stoppedLibravatar Zoltan Klinger1-4/+10
When a rebase stops (e.g. interrupted by a merge conflict), it could be useful to know how far a rebase has progressed and how many commits in total this rebase will apply. Teach the __git_ps1() command to display the number of commits so far applied and the total number of commits to be applied, like this: ((3ec0a6a...)|REBASE 2/5) In the example above the rebase has stopped at the second commit due to a merge conflict and there are a total number of five commits to be applied by this rebase. This information can be already obtained from the following files which are being generated during the rebase: GIT_DIR/.git/rebase-merge/msgnum (git-rebase--merge.sh) GIT_DIR/.git/rebase-merge/end (git-rebase--merge.sh) GIT_DIR/.git/rebase-apply/next (git-am.sh) GIT_DIR/.git/rebase-apply/last (git-am.sh) but "rebase -i" does not leave necessary clues. Implement this feature by doing these three things: 1) Modify git-rebase--interactive.sh to also create GIT_DIR/.git/rebase-merge/msgnum GIT_DIR/.git/rebase-merge/end files for the number of commits so far applied and the total number of commits to be applied. 2) Modify git-prompt.sh to read and display info from the above files. 3) Update test t9903-bash-prompt.sh to reflect changes introduced by this patch. Signed-off-by: Zoltan Klinger <zoltan.klinger@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-24Merge branch 'jk/remote-helper-with-signed-tags'Libravatar Junio C Hamano2-0/+26
Allows remote-helpers to declare they can handle signed tags, and issue a warning when using those that don't. * jk/remote-helper-with-signed-tags: transport-helper: add 'signed-tags' capability transport-helper: pass --signed-tags=warn-strip to fast-export fast-export: add --signed-tags=warn-strip mode
2013-04-24Merge branch 'sr/log-SG-no-textconv' into maintLibravatar Junio C Hamano1-0/+28
"git log -S/-G" started paying attention to textconv filter, but there was no way to disable this. Make it honor --no-textconv option. * sr/log-SG-no-textconv: diffcore-pickaxe: unify code for log -S/-G diffcore-pickaxe: fix leaks in "log -S<block>" and "log -G<pattern>" diffcore-pickaxe: port optimization from has_changes() to diff_grep() diffcore-pickaxe: respect --no-textconv diffcore-pickaxe: remove fill_one() diffcore-pickaxe: remove unnecessary call to get_textconv()
2013-04-24Merge branch 'jc/merge-tag-object' into maintLibravatar Junio C Hamano1-32/+68
"git merge $(git rev-parse v1.8.2)" behaved quite differently from "git merge v1.8.2", as if v1.8.2 were written as v1.8.2^0 and did not pay much attention to the annotated tag payload. Make the code notice the type of the tag object, in addition to the dwim_ref() based classification the current code uses (i.e. the name appears in refs/tags/) to decide when to special case merging of tags. * jc/merge-tag-object: t6200: test message for merging of an annotated tag t6200: use test_config/test_unconfig merge: a random object may not necssarily be a commit
2013-04-24remote: 'show' and 'prune' can take more than one remoteLibravatar Thomas Rast1-8/+3
The 'git remote show' and 'prune' subcommands are documented as taking only a single remote name argument, but that is not the case; they will simply iterate the action over all remotes given. Update the documentation and tests to match. With the last user of the -f flag gone, we also remove the code supporting it. Signed-off-by: Thomas Rast <trast@inf.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-24remote: check for superfluous arguments in 'git remote add'Libravatar Thomas Rast1-1/+1
The 'git remote add' subcommand did not check for superfluous command line arguments. Make it so. Signed-off-by: Thomas Rast <trast@inf.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-24remote: add a test for extra arguments, according to docsLibravatar Thomas Rast1-0/+27
This adds one test or comment for each subcommand of git-remote according to its current documentation. All but 'set-branches' and 'update' are listed as taking only a fixed number of arguments; for those we can write a test with one more (bogus) argument, and see if the command notices that. They fail on several counts: 'add' does not check for extra arguments, and 'show' and 'prune' actually iterate over remotes (i.e., take any number of args). We'll fix them in the next two patches. The -f machinery is only there to make the tests readable while still ensuring they pass as a whole, and will be removed in the final patch. Signed-off-by: Thomas Rast <trast@inf.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-23rebase: find orig_head unambiguouslyLibravatar Phil Hord1-0/+7
When we 'git rebase $upstream', git uses 'rev-parse --verify $current_branch' to find ORIG_HEAD. But if $current_branch is ambiguous, 'rev-parse --verify' emits a warning and returns a SHA1 anyway. When the wrong ambiguous choice is used, git-rebase fails non-gracefully: it emits a warning about failing to lock $current_branch, an error about being unable to checkout $current_branch again, and it might even decide the rebase is a fast-forward when it is not. In the 'rebase $upstream' case, we already know the unambiguous spelling of $current_branch is "HEAD". Fix git-rebase to find $orig_head unambiguously. Add a test in t3400-rebase.sh which creates an ambiguous branch name and rebases it implicitly with 'git rebase $other'. Signed-off-by: Phil Hord <hordp@cisco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-23Merge branch 'nd/pretty-formats'Libravatar Junio C Hamano3-10/+185
pretty-printing body of the commit that is stored in non UTF-8 encoding did not work well. The early part of this series fixes it. And then it adds %C(auto) specifier that turns the coloring on when we are emitting to the terminal, and adds column-aligning format directives. * nd/pretty-formats: pretty: support %>> that steal trailing spaces pretty: support truncating in %>, %< and %>< pretty: support padding placeholders, %< %> and %>< pretty: add %C(auto) for auto-coloring pretty: split color parsing into a separate function pretty: two phase conversion for non utf-8 commits utf8.c: add reencode_string_len() that can handle NULs in string utf8.c: add utf8_strnwidth() with the ability to skip ansi sequences utf8.c: move display_mode_esc_sequence_len() for use by other functions pretty: share code between format_decoration and show_decorations pretty-formats.txt: wrap long lines pretty: get the correct encoding for --pretty:format=%e pretty: save commit encoding from logmsg_reencode if the caller needs it
2013-04-23Merge branch 'kb/status-ignored-optim-2'Libravatar Junio C Hamano3-3/+205
Fixes a handful of issues in the code to traverse working tree to find untracked and/or ignored files, cleans up and optimizes the codepath in general. * kb/status-ignored-optim-2: dir.c: git-status --ignored: don't scan the work tree twice dir.c: git-status --ignored: don't scan the work tree three times dir.c: git-status: avoid is_excluded checks for tracked files dir.c: replace is_path_excluded with now equivalent is_excluded API dir.c: unify is_excluded and is_path_excluded APIs dir.c: move prep_exclude dir.c: factor out parts of last_exclude_matching for later reuse dir.c: git-clean -d -X: don't delete tracked directories dir.c: make 'git-status --ignored' work within leading directories dir.c: git-status --ignored: don't list empty directories as ignored dir.c: git-ls-files --directories: don't hide empty directories dir.c: git-status --ignored: don't list empty ignored directories dir.c: git-status --ignored: don't list files in ignored directories dir.c: git-status --ignored: don't drop ignored directories
2013-04-23bisect: Log possibly bad, skipped commits at bisection endLibravatar Torstein Hegge1-0/+20
If the bisection completes with only skipped commits left to as possible first bad commit, output the list of possible first bad commits to human readers of the bisection log. Signed-off-by: Torstein Hegge <hegge@resisty.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-22Merge branch 'jk/doc-http-backend' into maintLibravatar Junio C Hamano2-0/+48
Improve documentation to illustrate "push authenticated, fetch anonymous" configuration for smart HTTP servers. * jk/doc-http-backend: doc/http-backend: match query-string in apache half-auth example doc/http-backend: give some lighttpd config examples doc/http-backend: clarify "half-auth" repo configuration
2013-04-22Merge branch 'jk/test-trash' into maintLibravatar Junio C Hamano1-9/+9
* jk/test-trash: t/test-lib.sh: drop "$test" variable t/test-lib.sh: fix TRASH_DIRECTORY handling
2013-04-22Merge branch 'js/rerere-forget-protect-against-NUL' into maintLibravatar Junio C Hamano1-0/+25
* js/rerere-forget-protect-against-NUL: rerere forget: do not segfault if not all stages are present rerere forget: grok files containing NUL