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2012-09-24Merge branch 'jc/maint-blame-no-such-path' into maintLibravatar Junio C Hamano1-16/+73
Even during a conflicted merge, "git blame $path" always meant to blame uncommitted changes to the "working tree" version; make it more useful by showing cleanly merged parts as coming from the other branch that is being merged. This incidentally fixes an unrelated problem on a case insensitive filesystem, where "git blame MAKEFILE" run in a history that has "Makefile" but not "MAKEFILE" did not say "No such file MAKEFILE in HEAD" but pretended as if "MAKEFILE" was a newly added file. * jc/maint-blame-no-such-path: blame: allow "blame file" in the middle of a conflicted merge blame $path: avoid getting fooled by case insensitive filesystems
2012-09-11blame: allow "blame file" in the middle of a conflicted mergeLibravatar Junio C Hamano1-24/+69
"git blame file" has always meant "find the origin of each line of the file in the history leading to HEAD, oh by the way, blame the lines that are modified locally to the working tree". This teaches "git blame" that during a conflicted merge, some uncommitted changes may have come from the other history that is being merged. The verify_working_tree_path() function introduced in the previous patch to notice a typo in the filename (primarily on case insensitive filesystems) has been updated to allow a filename that does not exist in HEAD (i.e. the tip of our history) as long as it exists one of the commits being merged, so that a "we deleted, the other side modified" case tracks the history of the file in the history of the other side. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-11Sync with 1.7.11.6Libravatar Junio C Hamano1-6/+3
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-11Merge branch 'tr/void-diff-setup-done' into maint-1.7.11Libravatar Junio C Hamano1-6/+3
* tr/void-diff-setup-done: diff_setup_done(): return void
2012-09-10blame $path: avoid getting fooled by case insensitive filesystemsLibravatar Junio C Hamano1-2/+14
"git blame MAKEFILE" run in a history that has "Makefile" but not MAKEFILE can get confused on a case insensitive filesystem, because the check we run to see if there is a corresponding file in the working tree with lstat("MAKEFILE") succeeds. In addition to that check, we have to make sure that the given path also exists in the commit we start digging history from (i.e. "HEAD"). Note that this reveals the breakage in a test added in cd8ae20 (git-blame shouldn't crash if run in an unmerged tree, 2007-10-18), which expects the entire merge-in-progress path to be blamed to the working tree when it did not exist in our tree. As it is clear in the log message of that commit, the old breakage was that it was causing an internal error and the fix was about avoiding it. Just check that the command does not die an uncontrolled death. For this particular case, the blame should fail, as the history for the file in that contents has not been committed yet at the point in the test. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-10Merge branch 'maint-1.7.11' into maintLibravatar Junio C Hamano1-4/+5
* maint-1.7.11: Almost 1.7.11.6 gitweb: URL-decode $my_url/$my_uri when stripping PATH_INFO rebase -i: use full onto sha1 in reflog sh-setup: protect from exported IFS receive-pack: do not leak output from auto-gc to standard output t/t5400: demonstrate breakage caused by informational message from prune setup: clarify error messages for file/revisions ambiguity send-email: improve RFC2047 quote parsing fsck: detect null sha1 in tree entries do not write null sha1s to on-disk index diff: do not use null sha1 as a sentinel value
2012-09-10Merge branch 'jk/maint-null-in-trees' into maint-1.7.11Libravatar Junio C Hamano1-4/+5
"git diff" had a confusion between taking data from a path in the working tree and taking data from an object that happens to have name 0{40} recorded in a tree. * jk/maint-null-in-trees: fsck: detect null sha1 in tree entries do not write null sha1s to on-disk index diff: do not use null sha1 as a sentinel value
2012-08-03diff_setup_done(): return voidLibravatar Thomas Rast1-6/+3
diff_setup_done() has historically returned an error code, but lost the last nonzero return in 943d5b7 (allow diff.renamelimit to be set regardless of -M/-C, 2006-08-09). The callers were in a pretty confused state: some actually checked for the return code, and some did not. Let it return void, and patch all callers to take this into account. This conveniently also gets rid of a handful of different(!) error messages that could never be triggered anyway. Note that the function can still die(). Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-07-29diff: do not use null sha1 as a sentinel valueLibravatar Jeff King1-4/+5
The diff code represents paths using the diff_filespec struct. This struct has a sha1 to represent the sha1 of the content at that path, as well as a sha1_valid member which indicates whether its sha1 field is actually useful. If sha1_valid is not true, then the filespec represents a working tree file (e.g., for the no-index case, or for when the index is not up-to-date). The diff_filespec is only used internally, though. At the interfaces to the diff subsystem, callers feed the sha1 directly, and we create a diff_filespec from it. It's at that point that we look at the sha1 and decide whether it is valid or not; callers may pass the null sha1 as a sentinel value to indicate that it is not. We should not typically see the null sha1 coming from any other source (e.g., in the index itself, or from a tree). However, a corrupt tree might have a null sha1, which would cause "diff --patch" to accidentally diff the working tree version of a file instead of treating it as a blob. This patch extends the edges of the diff interface to accept a "sha1_valid" flag whenever we accept a sha1, and to use that flag when creating a filespec. In some cases, this means passing the flag through several layers, making the code change larger than would be desirable. One alternative would be to simply die() upon seeing corrupted trees with null sha1s. However, this fix more directly addresses the problem (while bogus sha1s in a tree are probably a bad thing, it is really the sentinel confusion sending us down the wrong code path that is what makes it devastating). And it means that git is more capable of examining and debugging these corrupted trees. For example, you can still "diff --raw" such a tree to find out when the bogus entry was introduced; you just cannot do a "--patch" diff (just as you could not with any other corrupted tree, as we do not have any content to diff). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-07-11Merge branch 'jc/maint-blame-unique-abbrev' into maintLibravatar Junio C Hamano1-4/+21
"git blame" did not try to make sure that the abbreviated commit object names in its output are unique. * jc/maint-blame-unique-abbrev: blame: compute abbreviation width that ensures uniqueness
2012-07-11Strip namelen out of ce_flags into a ce_namelen fieldLibravatar Thomas Gummerer1-1/+2
Strip the name length from the ce_flags field and move it into its own ce_namelen field in struct cache_entry. This will both give us a tiny bit of a performance enhancement when working with long pathnames and is a refactoring for more readability of the code. It enhances readability, by making it more clear what is a flag, and where the length is stored and make it clear which functions use stages in comparisions and which only use the length. It also makes CE_NAMEMASK private, so that users don't mistakenly write the name length in the flags. Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-07-09Merge branch 'jc/maint-blame-unique-abbrev'Libravatar Junio C Hamano1-4/+21
"git blame" did not try to make sure the abbreviated commit object names in its output are unique. * jc/maint-blame-unique-abbrev: blame: compute abbreviation width that ensures uniqueness
2012-07-02blame: compute abbreviation width that ensures uniquenessLibravatar Junio C Hamano1-4/+21
Julia Lawall noticed that in linux-next repository the commit object 60d5c9f5 (shown with the default abbreviation width baked into "git blame") in output from $ git blame -L 3675,3675 60d5c9f5b -- \ drivers/staging/brcm80211/brcmfmac/wl_iw.c is no longer unique in the repository, which results in "short SHA1 60d5c9f5 is ambiguous". Compute the minimum abbreviation width that ensures uniqueness when the user did not specify the --abbrev option to avoid this. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-14builtin/blame.c: Fix a "Using plain integer as NULL pointer" warningLibravatar Ramsay Jones1-1/+1
Plain gcc may not but sparse catches and complains about this sort of stuff. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-09blame: factor out helper for calling xdi_diff()Libravatar René Scharfe1-22/+16
Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-09blame: use hunk_func(), part 2Libravatar René Scharfe1-5/+13
Use handle_split_cb() directly as hunk_func() callback, without going through xdi_diff_hunks(). Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-09blame: use hunk_func(), part 1Libravatar René Scharfe1-5/+12
Use blame_chunk_cb() directly as hunk_func() callback, without detour through xdi_diff_hunks(). Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-01Merge branch 'jc/maint-blame-minimal' into maintLibravatar Junio C Hamano1-0/+1
"git blame" started missing quite a few changes from the origin since we stopped using the diff minimalization by default in v1.7.2 era. Teach "--minimal" option to "git blame" to work around this regression. * jc/maint-blame-minimal: blame: accept --need-minimal
2012-04-23Merge branch 'jc/maint-blame-minimal'Libravatar Junio C Hamano1-0/+1
"git blame" started missing quite a few changes from the origin since we stopped using the diff minimalization by default in v1.7.2 era. * jc/maint-blame-minimal: blame: accept --need-minimal
2012-04-11blame: accept --need-minimalLibravatar Junio C Hamano1-0/+1
Between v1.7.1 and v1.7.2, 582aa00bdffb switched the default "diff" invocation not to use XDF_NEED_MINIMAL, but this breaks "git blame" rather badly. Allow the command line option to ask for an extra careful matching. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-20Merge branch 'zj/decimal-width'Libravatar Junio C Hamano1-15/+3
* zj/decimal-width: make lineno_width() from blame reusable for others Conflicts: cache.h pager.c
2012-02-14make lineno_width() from blame reusable for othersLibravatar Zbigniew Jędrzejewski-Szmek1-15/+3
builtin/blame.c has a helper function to compute how many columns we need to show a line-number, whose implementation is reusable as a more generic helper function to count the number of columns necessary to show any cardinal number. Rename it to decimal_width(), move it to pager.c and export it for use by future callers. Signed-off-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-07drop odd return value semantics from userdiff_configLibravatar Jeff King1-7/+1
When the userdiff_config function was introduced in be58e70 (diff: unify external diff and funcname parsing code, 2008-10-05), it used a return value convention unlike any other config callback. Like other callbacks, it used "-1" to signal error. But it returned "1" to indicate that it found something, and "0" otherwise; other callbacks simply returned "0" to indicate that no error occurred. This distinction was necessary at the time, because the userdiff namespace overlapped slightly with the color configuration namespace. So "diff.color.foo" could mean "the 'foo' slot of diff coloring" or "the 'foo' component of the "color" userdiff driver". Because the color-parsing code would die on an unknown color slot, we needed the userdiff code to indicate that it had matched the variable, letting us bypass the color-parsing code entirely. Later, in 8b8e862 (ignore unknown color configuration, 2009-12-12), the color-parsing code learned to silently ignore unknown slots. This means we no longer need to protect userdiff-matched variables from reaching the color-parsing code. We can therefore change the userdiff_config calling convention to a more normal one. This drops some code from each caller, which is nice. But more importantly, it reduces the cognitive load for readers who may wonder why userdiff_config is unlike every other config callback. There's no need to add a new test confirming that this works; t4020 already contains a test that sets diff.color.external. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-13Merge branch 'maint-1.7.7' into maintLibravatar Junio C Hamano1-1/+1
* maint-1.7.7: Git 1.7.7.5 Git 1.7.6.5 blame: don't overflow time buffer fetch: create status table using strbuf checkout,merge: loosen overwriting untracked file check based on info/exclude cast variable in call to free() in builtin/diff.c and submodule.c apply: get rid of useless x < 0 comparison on a size_t type Conflicts: Documentation/git.txt GIT-VERSION-GEN RelNotes builtin/fetch.c
2011-12-13blame: don't overflow time bufferLibravatar Jeff King1-1/+1
When showing the raw timestamp, we format the numeric seconds-since-epoch into a buffer, followed by the timezone string. This string has come straight from the commit object. A well-formed object should have a timezone string of only a few bytes, but we could be operating on data pushed by a malicious user. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-11-07Merge branch 'ss/blame-textconv-fake-working-tree'Libravatar Junio C Hamano1-4/+3
* ss/blame-textconv-fake-working-tree: blame.c: Properly initialize strbuf after calling textconv_object(), again
2011-11-07blame.c: Properly initialize strbuf after calling textconv_object(), againLibravatar Sebastian Schuberth1-4/+3
2564aa4 started to initialize buf.alloc, but that should actually be one more byte than the string length due to the trailing \0. Also, do not modify buf.alloc out of the strbuf code. Use the existing strbuf_attach instead. Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-11-01Merge branch 'ss/blame-textconv-fake-working-tree'Libravatar Junio C Hamano1-1/+3
* ss/blame-textconv-fake-working-tree: (squash) test for previous blame.c: Properly initialize strbuf after calling, textconv_object() Conflicts: t/t8006-blame-textconv.sh
2011-10-28blame.c: Properly initialize strbuf after calling, textconv_object()Libravatar Sebastian Schuberth1-1/+3
For a plain string where only the length is known, strbuf.alloc needs to be initialized to the length. Otherwise strbuf.alloc is 0 and a later call to strbuf_setlen() will fail. This bug surfaced when calling git blame under Windows on a *.doc file. The *.doc file is converted to plain text by antiword via the textconv mechanism. However, the plain text returned by antiword contains DOS line endings instead of Unix line endings which triggered the strbuf_setlen() which previous to this patch failed. Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-05-09blame: add --line-porcelain output formatLibravatar Jeff King1-2/+8
This is just like --porcelain, except that we always output the commit information for each line, not just the first time it is referenced. This can make quick and dirty scripts much easier to write; see the example added to the blame documentation. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-05-09blame: refactor porcelain outputLibravatar Jeff King1-9/+16
This is in preparation for adding more porcelain output options. The three changes are: 1. emit_porcelain now receives the format option flags 2. emit_one_suspect_detail takes an optional "repeat" parameter to suppress the "show only once" behavior 3. The code for emitting porcelain suspect is factored into its own function for repeatability. There should be no functional changes. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-05-06Merge branch 'js/blame-parsename'Libravatar Junio C Hamano1-1/+1
* js/blame-parsename: t/annotate-tests: Use echo & cat instead of sed blame: tolerate bogus e-mail addresses a bit better
2011-04-29blame: tolerate bogus e-mail addresses a bit betterLibravatar Josh Stone1-1/+1
The names and e-mails are sanitized by fmt_ident() when creating commits, so that they do not contain "<" nor ">", and the "committer" and "author" lines in the commit object will always be in the form: ("author" | "committer") name SP "<" email ">" SP timestamp SP zone When parsing the email part out, the current code looks for SP starting from the end of the email part, but the author could obfuscate the address as "author at example dot com". We should instead look for SP followed by "<", to match the logic of the side that formats these lines. Signed-off-by: Josh Stone <jistone@redhat.com> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-04-05blame: add --abbrev command line option and make it honor core.abbrevLibravatar Namhyung Kim1-1/+8
If user sets config.abbrev option, use it as if --abbrev was given. This is the default value and user can override different abbrev length by specifying the --abbrev=N command line option. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-03-16standardize brace placement in struct definitionsLibravatar Jonathan Nieder1-2/+1
In a struct definitions, unlike functions, the prevailing style is for the opening brace to go on the same line as the struct name, like so: struct foo { int bar; char *baz; }; Indeed, grepping for 'struct [a-z_]* {$' yields about 5 times as many matches as 'struct [a-z_]*$'. Linus sayeth: Heretic people all over the world have claimed that this inconsistency is ... well ... inconsistent, but all right-thinking people know that (a) K&R are _right_ and (b) K&R are right. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-12-12Merge branch 'jn/parse-options-extra'Libravatar Junio C Hamano1-2/+2
* jn/parse-options-extra: update-index: migrate to parse-options API setup: save prefix (original cwd relative to toplevel) in startup_info parse-options: make resuming easier after PARSE_OPT_STOP_AT_NON_OPTION parse-options: allow git commands to invent new option types parse-options: never suppress arghelp if LITERAL_ARGHELP is set parse-options: do not infer PARSE_OPT_NOARG from option type parse-options: sanity check PARSE_OPT_NOARG flag parse-options: move NODASH sanity checks to parse_options_check parse-options: clearer reporting of API misuse parse-options: Don't call parse_options_check() so much
2010-12-06parse-options: Don't call parse_options_check() so muchLibravatar Stephen Boyd1-2/+2
parse_options_check() is being called for each invocation of parse_options_step which can be quite a bit for some commands. The commit introducing this function cb9d398 (parse-options: add parse_options_check to validate option specs., 2009-06-09) had the correct motivation and explicitly states that parse_options_check() should be called from parse_options_start(). However, the implementation differs from the motivation. Fix it. Signed-off-by: Stephen Boyd <bebarino@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-29Merge branch 'kb/blame-author-email'Libravatar Junio C Hamano1-6/+22
* kb/blame-author-email: blame: Add option to show author email instead of name Conflicts: t/annotate-tests.sh
2010-11-17Merge branch 'ks/no-textconv-symlink'Libravatar Junio C Hamano1-11/+22
* ks/no-textconv-symlink: blame,cat-file --textconv: Don't assume mode is ``S_IFREF | 0664'' blame,cat-file: Demonstrate --textconv is wrongly running converter on symlinks blame,cat-file: Prepare --textconv tests for correctly-failing conversion program
2010-10-19blame: Add option to show author email instead of nameLibravatar Kevin Ballard1-6/+22
Add a new option -e (or --show-email) to git-blame that will display the author's email instead of name on each line. This option works for both git-blame and git-annotate. Signed-off-by: Kevin Ballard <kevin@sb.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-29blame,cat-file --textconv: Don't assume mode is ``S_IFREF | 0664''Libravatar Kirill Smelkov1-11/+22
We need to get the correct mode when blame reads the source from the working tree, the index, or trees. This allows us to omit running textconv filters on symbolic links. Signed-off-by: Kirill Smelkov <kirr@landau.phys.spbu.ru> Reviewed-by: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-08-22Merge branch 'maint'Libravatar Junio C Hamano1-2/+2
* maint: Typos in code comments, an error message, documentation
2010-08-22Typos in code comments, an error message, documentationLibravatar Ralf Wildenhues1-2/+2
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-08-18Merge branch 'cc/find-commit-subject'Libravatar Junio C Hamano1-15/+7
* cc/find-commit-subject: blame: use find_commit_subject() instead of custom code merge-recursive: use find_commit_subject() instead of custom code bisect: use find_commit_subject() instead of custom code revert: rename variables related to subject in get_message() revert: refactor code to find commit subject in find_commit_subject() revert: fix off by one read when searching the end of a commit subject
2010-07-23blame: use find_commit_subject() instead of custom codeLibravatar Christian Couder1-15/+7
Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-06-27Merge branch 'cp/textconv-cat-file'Libravatar Junio C Hamano1-4/+4
* cp/textconv-cat-file: git-cat-file.txt: Document --textconv t/t8007: test textconv support for cat-file textconv: support for cat_file sha1_name: add get_sha1_with_context()
2010-06-27Merge branch 'ab/blame-textconv'Libravatar Junio C Hamano1-13/+72
* ab/blame-textconv: t/t8006: test textconv support for blame textconv: support for blame textconv: make the API public Conflicts: diff.h
2010-06-21Merge branch 'gv/portable'Libravatar Junio C Hamano1-4/+6
* gv/portable: test-lib: use DIFF definition from GIT-BUILD-OPTIONS build: propagate $DIFF to scripts Makefile: Tru64 portability fix Makefile: HP-UX 10.20 portability fixes Makefile: HPUX11 portability fixes Makefile: SunOS 5.6 portability fix inline declaration does not work on AIX Allow disabling "inline" Some platforms lack socklen_t type Make NO_{INET_NTOP,INET_PTON} configured independently Makefile: some platforms do not have hstrerror anywhere git-compat-util.h: some platforms with mmap() lack MAP_FAILED definition test_cmp: do not use "diff -u" on platforms that lack one fixup: do not unconditionally disable "diff -u" tests: use "test_cmp", not "diff", when verifying the result Do not use "diff" found on PATH while building and installing enums: omit trailing comma for portability Makefile: -lpthread may still be necessary when libc has only pthread stubs Rewrite dynamic structure initializations to runtime assignment Makefile: pass CPPFLAGS through to fllow customization Conflicts: Makefile wt-status.h
2010-06-21Merge branch 'rs/diff-no-minimal' into maintLibravatar Junio C Hamano1-1/+1
* rs/diff-no-minimal: git diff too slow for a file
2010-06-18textconv: support for cat_fileLibravatar Clément Poulain1-4/+4
Make the textconv_object function public, and add --textconv option to cat-file to perform conversion on blob objects. Using --textconv implies that we are working on a blob. As files drivers need to be initialized, a new config is required in addition to git_default_config. Therefore git_cat_file_config() is introduced Signed-off-by: Clément Poulain <clement.poulain@ensimag.imag.fr> Signed-off-by: Diane Gasselin <diane.gasselin@ensimag.imag.fr> Signed-off-by: Axel Bonnet <axel.bonnet@ensimag.imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>