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2014-06-13t1700: new tests for split-index modeLibravatar Nguyễn Thái Ngọc Duy1-0/+194
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13t2104: make sure split index mode is off for the version testLibravatar Nguyễn Thái Ngọc Duy1-0/+2
Version tests only make sense when all entries are in the same file, so we can see if version is downgraded to 2 if 3 is not required. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-24Merge branch 'fc/transport-helper-sync-error-fix'Libravatar Junio C Hamano1-8/+23
Make sure the marks are not written out when the transport helper did not finish happily, to avoid leaving a marks file that is out of sync with the reality. * fc/transport-helper-sync-error-fix: t5801 (remote-helpers): cleanup environment sets transport-helper: fix sync issue on crashes transport-helper: trivial cleanup transport-helper: propagate recvline() error pushing remote-helpers: make recvline return an error transport-helper: remove barely used xchgline()
2014-04-21t5801 (remote-helpers): cleanup environment setsLibravatar Felipe Contreras1-7/+4
Commit 512477b (tests: use "env" to run commands with temporary env-var settings) missed some variables in the remote-helpers test. Also standardize these. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-19Git 2.0: git svn: Set default --prefix='origin/' if --prefix is not givenLibravatar Johan Herland18-126/+126
git-svn by default puts its Subversion-tracking refs directly in refs/remotes/*. This runs counter to Git's convention of using refs/remotes/$remote/* for storing remote-tracking branches. Furthermore, combining git-svn with regular git remotes run the risk of clobbering refs under refs/remotes (e.g. if you have a git remote called "tags" with a "v1" branch, it will overlap with the git-svn's tracking branch for the "v1" tag from Subversion. Even though the git-svn refs stored in refs/remotes/* are not "proper" remote-tracking branches (since they are not covered by a proper git remote's refspec), they clearly represent a similar concept, and would benefit from following the same convention. For example, if git-svn tracks Subversion branch "foo" at refs/remotes/foo, and you create a local branch refs/heads/foo to add some commits to be pushed back to Subversion (using "git svn dcommit), then it is clearly unhelpful of Git to throw warning: refname 'foo' is ambiguous. every time you checkout, rebase, or otherwise interact with the branch. The existing workaround for this is to supply the --prefix=quux/ to git svn init/clone, so that git-svn's tracking branches end up in refs/remotes/quux/* instead of refs/remotes/*. However, encouraging users to specify --prefix to work around a design flaw in git-svn is suboptimal, and not a long term solution to the problem. Instead, git-svn should default to use a non-empty prefix that saves unsuspecting users from the inconveniences described above. This patch will only affect newly created git-svn setups, as the --prefix option only applies to git svn init (and git svn clone). Existing git-svn setups will continue with their existing (lack of) prefix. Also, if anyone somehow prefers git-svn's old layout, they can recreate that by explicitly passing an empty prefix (--prefix "") on the git svn init/clone command line. The patch changes the default value for --prefix from "" to "origin/", updates the git-svn manual page, and fixes the fallout in the git-svn testcases. (Note that this patch might be easier to review using the --word-diff and --word-diff-regex=. diff options.) [ew: squashed description of <= 1.9 behavior into manpage] Suggested-by: Thomas Ferris Nicolaisen <tfnico@gmail.com> Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2014-04-16Merge branch 'km/avoid-cp-a'Libravatar Junio C Hamano1-2/+2
Portability fix. * km/avoid-cp-a: test: fix t7001 cp to use POSIX options
2014-04-16Merge branch 'km/avoid-bs-in-shell-glob'Libravatar Junio C Hamano1-2/+2
Portability fix. * km/avoid-bs-in-shell-glob: test: fix t5560 on FreeBSD
2014-04-14transport-helper: fix sync issue on crashesLibravatar Felipe Contreras1-1/+19
When a remote helper crashes while pushing we should revert back to the state before the push, however, it's possible that `git fast-export` already finished its job, and therefore has exported the marks already. This creates a synchronization problem because from that moment on `git fast-{import,export}` will have marks that the remote helper is not aware of and all further commands fail (if those marks are referenced). The fix is to tell `git fast-export` to export to a temporary file, and only after the remote helper has finishes successfully, move to the final destination. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-11test: fix t5560 on FreeBSDLibravatar Kyle J. McKay1-2/+2
Since fd0a8c2e (first appearing in v1.7.0), the t/t5560-http-backend-noserver.sh test has used a backslash escape inside a ${} expansion in order to specify a literal '?' character. Unfortunately the FreeBSD /bin/sh does not interpret this correctly. In a POSIX compliant shell, the following: x='one?two?three' echo "${x#*\?}" Would be expected to produce this: two?three When using the FreeBSD /bin/sh instead you get this: one?two?three In fact the FreeBSD /bin/sh treats the backslash as a literal character to match so that this: y='one\two\three' echo "${y#*\?}" Produces this unexpected value: wo\three In this case the backslash is not only treated literally, it also fails to defeat the special meaning of the '?' character. Instead, we can use the [...] construct to defeat the special meaning of the '?' character and match it exactly in a way that works for the FreeBSD /bin/sh as well as other POSIX /bin/sh implementations. Changing the example like so: x='one?two?three' echo "${x#*[?]}" Produces the expected output using the FreeBSD /bin/sh. Therefore, change the use of \? to [?] in order to be compatible with the FreeBSD /bin/sh which allows t/t5560-http-backend-noserver.sh to pass on FreeBSD again. Signed-off-by: Kyle J. McKay <mackyle@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-11test: fix t7001 cp to use POSIX optionsLibravatar Kyle J. McKay1-2/+2
Since 11502468 and 04c1ee57 (both first appearing in v1.8.5), the t7001-mv test has used "cp -a" to perform a copy in several of the tests. However, the "-a" option is not required for a POSIX cp utility and some platforms' cp utilities do not support it. The POSIX equivalent of -a is -R -P -p. Change "cp -a" to "cp -R -P -p" so that the t7001-mv test works on systems with a cp utility that only implements the POSIX required set of options and not the "-a" option. Signed-off-by: Kyle J. McKay <mackyle@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-08Merge branch 'jk/pack-bitmap'Libravatar Junio C Hamano1-0/+31
* jk/pack-bitmap: pack-objects: do not reuse packfiles without --delta-base-offset add `ignore_missing_links` mode to revwalk
2014-04-08Merge branch 'jl/nor-or-nand-and'Libravatar Junio C Hamano7-7/+7
Eradicate mistaken use of "nor" (that is, essentially "nor" used not in "neither A nor B" ;-)) from in-code comments, command output strings, and documentations. * jl/nor-or-nand-and: code and test: fix misuses of "nor" comments: fix misuses of "nor" contrib: fix misuses of "nor" Documentation: fix misuses of "nor"
2014-04-08Merge branch 'mh/update-ref-batch-create-fix'Libravatar Junio C Hamano1-0/+11
* mh/update-ref-batch-create-fix: update-ref: fail create operation over stdin if ref already exists
2014-04-08Merge branch 'mr/opt-set-ptr'Libravatar Junio C Hamano1-4/+3
OPT_SET_PTR() implementation was broken on IL32P64 platforms; it turns out that the macro is not used by any real user. * mr/opt-set-ptr: parse-options: remove unused OPT_SET_PTR parse-options: add cast to correct pointer type to OPT_SET_PTR MSVC: fix t0040-parse-options crash
2014-04-08Merge branch 'jc/rev-parse-argh-dashed-multi-words'Libravatar Junio C Hamano1-0/+13
Make sure that the help text given to describe the "<param>" part of the "git cmd --option=<param>" does not contain SP or _, e.g. "--gpg-sign=<key-id>" option for "git commit" is not spelled as "--gpg-sign=<key id>". * jc/rev-parse-argh-dashed-multi-words: parse-options: make sure argh string does not have SP or _ update-index: teach --cacheinfo a new syntax "mode,sha1,path" parse-options: multi-word argh should use dash to separate words
2014-04-08Merge branch 'jk/commit-dates-parsing-fix'Libravatar Junio C Hamano1-4/+2
Finishing touches for portability. * jk/commit-dates-parsing-fix: t4212: loosen far-in-future test for AIX date: recognize bogus FreeBSD gmtime output
2014-04-04add `ignore_missing_links` mode to revwalkLibravatar Vicent Marti1-0/+31
When pack-objects is computing the reachability bitmap to serve a fetch request, it can erroneously die() if some of the UNINTERESTING objects are not present. Upload-pack throws away HAVE lines from the client for objects we do not have, but we may have a tip object without all of its ancestors (e.g., if the tip is no longer reachable and was new enough to survive a `git prune`, but some of its reachable objects did get pruned). In the non-bitmap case, we do a revision walk with the HAVE objects marked as UNINTERESTING. The revision walker explicitly ignores errors in accessing UNINTERESTING commits to handle this case (and we do not bother looking at UNINTERESTING trees or blobs at all). When we have bitmaps, however, the process is quite different. The bitmap index for a pack-objects run is calculated in two separate steps: First, we perform an extensive walk from all the HAVEs to find the full set of objects reachable from them. This walk is usually optimized away because we are expected to hit an object with a bitmap during the traversal, which allows us to terminate early. Secondly, we perform an extensive walk from all the WANTs, which usually also terminates early because we hit a commit with an existing bitmap. Once we have the resulting bitmaps from the two walks, we AND-NOT them together to obtain the resulting set of objects we need to pack. When we are walking the HAVE objects, the revision walker does not know that we are walking it only to mark the results as uninteresting. We strip out the UNINTERESTING flag, because those objects _are_ interesting to us during the first walk. We want to keep going to get a complete set of reachable objects if we can. We need some way to tell the revision walker that it's OK to silently truncate the HAVE walk, just like it does for the UNINTERESTING case. This patch introduces a new `ignore_missing_links` flag to the `rev_info` struct, which we set only for the HAVE walk. It also adds tests to cover UNINTERESTING objects missing from several positions: a missing blob, a missing tree, and a missing parent commit. The missing blob already worked (as we do not care about its contents at all), but the other two cases caused us to die(). Note that there are a few cases we do not need to test: 1. We do not need to test a missing tree, with the blob still present. Without the tree that refers to it, we would not know that the blob is relevant to our walk. 2. We do not need to test a tip commit that is missing. Upload-pack omits these for us (and in fact, we complain even in the non-bitmap case if it fails to do so). Reported-by: Siddharth Agarwal <sid0@fb.com> Signed-off-by: Vicent Marti <tanoku@gmail.com> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-03Merge branch 'cb/aix'Libravatar Junio C Hamano2-4/+2
* cb/aix: tests: don't rely on strerror text when testing rmdir failure dir.c: make git_fnmatch() not inline
2014-04-03Merge branch 'cn/fetch-prune-overlapping-destination'Libravatar Junio C Hamano1-0/+20
Protect refs in a hierarchy that can come from more than one remote hierarcies from incorrect removal by "git fetch --prune". * cn/fetch-prune-overlapping-destination: fetch: handle overlaping refspecs on --prune fetch: add a failing test for prunning with overlapping refspecs
2014-04-02Merge branch 'rs/pickaxe-i'Libravatar Junio C Hamano1-102/+64
Allow the options -i/--regexp-ignore-case, --pickaxe-regex, and -S to be used together and work as expected to perform a pickaxe search using case-insensitive regular expression matching. * rs/pickaxe-i: pickaxe: simplify kwset loop in contains() pickaxe: call strlen only when necessary in diffcore_pickaxe_count() pickaxe: move pickaxe() after pickaxe_match() pickaxe: merge diffcore_pickaxe_grep() and diffcore_pickaxe_count() into diffcore_pickaxe() pickaxe: honor -i when used with -S and --pickaxe-regex t4209: use helper functions to test --author t4209: use helper functions to test --grep t4209: factor out helper function test_log_icase() t4209: factor out helper function test_log() t4209: set up expectations up front
2014-04-02Revert "submodule: explicit local branch creation in module_clone"Libravatar Junio C Hamano1-38/+1
This reverts commit 23d25e48f5ead73c9ce233986f90791abec9f1e8, as it is broken for users who haven't opted into the new feature of checking out submodule.*.branch with update mode set to checkout.
2014-04-02update-ref: fail create operation over stdin if ref already existsLibravatar Aman Gupta1-0/+11
Signed-off-by: Aman Gupta <aman@tmm1.net> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Acked-by: Brad King <brad.king@kitware.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-01t4212: loosen far-in-future test for AIXLibravatar Jeff King1-4/+2
One of the tests in t4212 checks our behavior when we feed gmtime a date so far in the future that it gives up and returns NULL. Some implementations, like AIX, may actually just provide us a bogus result instead. It's not worth it for us to come up with heuristics that guess whether the return value is sensible or not. On good platforms where gmtime reports the problem to us with NULL, we will print the epoch value. On bad platforms, we will print garbage. But our test should be written for the lowest common denominator so that it passes everywhere. Reported-by: Charles Bailey <cbailey32@bloomberg.net> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-31Merge branch 'jk/tests-cleanup'Libravatar Junio C Hamano10-180/+87
* jk/tests-cleanup: t0001: drop subshells just for "cd" t0001: drop useless subshells t0001: use test_must_fail t0001: use test_config_global t0001: use test_path_is_* t0001: make symlink reinit test more careful t: prefer "git config --file" to GIT_CONFIG t: prefer "git config --file" to GIT_CONFIG with test_must_fail t: stop using GIT_CONFIG to cross repo boundaries t: drop useless sane_unset GIT_* calls t/test-lib: drop redundant unset of GIT_CONFIG t/Makefile: stop setting GIT_CONFIG
2014-03-31Merge branch 'ib/rev-parse-parseopt-argh'Libravatar Junio C Hamano1-36/+56
Teaches the "rev-parse --parseopt" mechanism used by scripted Porcelains to parse command line options and give help text how to supply argv-help (the placeholder string for an option parameter, e.g. "key-id" in "--gpg-sign=<key-id>"). * ib/rev-parse-parseopt-argh: t1502: protect runs of SPs used in the indentation rev-parse --parseopt: option argument name hints
2014-03-31Merge branch 'js/userdiff-cc'Libravatar Junio C Hamano32-153/+298
Improves the pattern to match the hunk-header for C/C++. * js/userdiff-cc: userdiff: have 'cpp' hunk header pattern catch more C++ anchor points t4018: test cases showing that the cpp pattern misses many anchor points t4018: test cases for the built-in cpp pattern t4018: reduce test files for pattern compilation tests t4018: convert custom pattern test to the new infrastructure t4018: convert java pattern test to the new infrastructure t4018: convert perl pattern tests to the new infrastructure t4018: an infrastructure to test hunk headers userdiff: support unsigned and long long suffixes of integer constants userdiff: support C++ ->* and .* operators in the word regexp
2014-03-31Merge branch 'dt/tests-with-env-not-subshell'Libravatar Junio C Hamano12-152/+42
* dt/tests-with-env-not-subshell: tests: use "env" to run commands with temporary env-var settings
2014-03-31code and test: fix misuses of "nor"Libravatar Justin Lebar7-7/+7
Signed-off-by: Justin Lebar <jlebar@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-31parse-options: remove unused OPT_SET_PTRLibravatar Marat Radchenko1-4/+3
OPT_SET_PTR was never used since its creation at db7244bd (parse-options new features., 2007-11-07). Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-31tests: don't rely on strerror text when testing rmdir failureLibravatar Charles Bailey2-4/+2
AIX doesn't make a distiction between EEXIST and ENOTEMPTY; relying on the strerror string for the rmdir failure is fragile. Just test that the start of the string matches the Git controlled "failed to rmdir..." error. The exact text of the OS generated error string isn't important to the test. Signed-off-by: Charles Bailey <cbailey32@bloomberg.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-28Merge branch 'bg/rebase-off-of-previous-branch'Libravatar Junio C Hamano1-0/+17
* bg/rebase-off-of-previous-branch: rebase: allow "-" short-hand for the previous branch
2014-03-28Merge branch 'bp/commit-p-editor'Libravatar Junio C Hamano2-9/+58
When it is not necessary to edit a commit log message (e.g. "git commit -m" is given a message without specifying "-e"), we used to disable the spawning of the editor by overriding GIT_EDITOR, but this means all the uses of the editor, other than to edit the commit log message, are also affected. * bp/commit-p-editor: run-command: mark run_hook_with_custom_index as deprecated merge hook tests: fix and update tests merge: fix GIT_EDITOR override for commit hook commit: fix patch hunk editing with "commit -p -m" test patch hunk editing with "commit -p -m" merge hook tests: use 'test_must_fail' instead of '!' merge hook tests: fix missing '&&' in test
2014-03-28Merge branch 'jk/pack-bitmap'Libravatar Junio C Hamano1-1/+4
Instead of dying when asked to (re)pack with the reachability bitmap when a bitmap cannot be built, just (re)pack without producing a bitmap in such a case, with a warning. * jk/pack-bitmap: pack-objects: turn off bitmaps when skipping objects
2014-03-26fetch: handle overlaping refspecs on --pruneLibravatar Carlos Martín Nieto1-1/+1
We need to consider that a remote-tracking branch may match more than one rhs of a fetch refspec. In such a case, it is not enough to stop at the first match but look at all of the matches in order to determine whether a head is stale. To this goal, introduce a variant of query_refspecs which returns all of the matching refspecs and loop over those answers to check for staleness. Signed-off-by: Carlos Martín Nieto <cmn@elego.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-25Merge branch 'ss/test-on-mingw-rsync-path-no-absolute'Libravatar Junio C Hamano1-3/+3
* ss/test-on-mingw-rsync-path-no-absolute: t5510: Do not use $(pwd) when fetching / pushing / pulling via rsync
2014-03-25Merge branch 'us/printf-not-echo'Libravatar Junio C Hamano1-2/+2
* us/printf-not-echo: test-lib.sh: do not "echo" caller-supplied strings rebase -i: do not "echo" random user-supplied strings
2014-03-25Merge branch 'jk/lib-terminal-lazy'Libravatar Junio C Hamano1-18/+19
The test helper lib-terminal always run an actual test_expect_* when included, which screwed up with the use of skil-all that may have to be done later. * jk/lib-terminal-lazy: t/lib-terminal: make TTY a lazy prerequisite
2014-03-25Merge branch 'nd/commit-editor-cleanup'Libravatar Junio C Hamano1-0/+16
"git commit --cleanup=<mode>" learned a new mode, scissors. * nd/commit-editor-cleanup: commit: add --cleanup=scissors wt-status.c: move cut-line print code out to wt_status_add_cut_line wt-status.c: make cut_line[] const to shrink .data section a bit
2014-03-25Merge branch 'jk/mv-submodules-fix'Libravatar Junio C Hamano1-1/+12
"git mv" that moves a submodule forgot to adjust the array that uses to keep track of which submodules were to be moved to update its configuration. * jk/mv-submodules-fix: mv: prevent mismatched data when ignoring errors. builtin/mv: fix out of bounds write
2014-03-24pickaxe: honor -i when used with -S and --pickaxe-regexLibravatar René Scharfe1-0/+5
accccde4 (pickaxe: allow -i to search in patch case-insensitively) allowed case-insenitive matching for -G and -S, but for the latter only if fixed string matching is used. Allow it for -S and regular expression matching as well to make the support complete. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-24t4209: use helper functions to test --authorLibravatar René Scharfe1-9/+4
Also add tests for case sensitive and non-matching cases. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-24t4209: use helper functions to test --grepLibravatar René Scharfe1-14/+4
Also add tests for non-matching cases. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-24t4209: factor out helper function test_log_icase()Libravatar René Scharfe1-12/+14
Reduce code duplication by introducing test_log_icase() that runs the same test with both --regexp-ignore-case and -i. The specification of the four basic test scenarios (matching/nomatching combined with case sensitive/insensitive) becomes easier to read and write. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-24t4209: factor out helper function test_log()Libravatar René Scharfe1-58/+42
Twelve tests in t4209 follow the same simple pattern for description, git log call and checking. Extract that shared logic into a helper function named test_log. Test specifications become a lot more compact, new tests can be added more easily. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-24t4209: set up expectations up frontLibravatar René Scharfe1-39/+25
Instead of creating an expect file for each test, build three files with the possible valid values during setup and use them in the tests. This shortens the test code and saves nine calls to git rev-parse. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-24update-index: teach --cacheinfo a new syntax "mode,sha1,path"Libravatar Junio C Hamano1-0/+13
The "--cacheinfo" option is unusual in that it takes three option parameters. An option with an optional parameter is bad enough. An option with multiple parameters is simply insane. Introduce a new syntax that takes these three things concatenated together with a comma, which makes the command line syntax more uniform across subcommands, while retaining the traditional syntax for backward compatiblity. If we were designing the "update-index" subcommand from scratch today, it may probably have made sense to make this option (and possibly others) a command mode option that does not take any option parameter (hence no need for arg-help). But we do not live in such an ideal world, and as far as I can tell, the command still supports (and must support) mixed command modes in a single invocation, e.g. $ git update-index path1 --add path2 \ --cacheinfo 100644 $(git hash-object --stdin -w <path3) path3 \ path4 must make sure path1 is already in the index and update all of these four paths. So this is probably as far as we can go to fix this issue without risking to break people's existing scripts. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-23t1502: protect runs of SPs used in the indentationLibravatar Junio C Hamano1-56/+56
The expected output from the argument help use runs of SPs to align the description of each option; a careless use of --whitespace=fix can turn leading parts of them into appropriate number of HTs. Prevent such a breakage by prefixing all the expected lines with leading vertical bars in the original and stripping them with a small sed script. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-23rev-parse --parseopt: option argument name hintsLibravatar Ilya Bobyr1-0/+20
Built-in commands can specify names for option arguments when usage text is generated for a command. sh based commands should be able to do the same. Option argument name hint is any text that comes after [*=?!] after the argument name up to the first whitespace. Signed-off-by: Ilya Bobyr <ilya.bobyr@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-21userdiff: have 'cpp' hunk header pattern catch more C++ anchor pointsLibravatar Johannes Sixt12-12/+0
The hunk header pattern 'cpp' is intended for C and C++ source code, but it is actually not particularly useful for the latter, and even misses some use-cases for the former. The parts of the pattern have the following flaws: - The first part matches an identifier followed immediately by a colon and arbitrary text and is intended to reject goto labels and C++ access specifiers (public, private, protected). But this pattern also rejects C++ constructs, which look like this: MyClass::MyClass() MyClass::~MyClass() MyClass::Item MyClass::Find(... - The second part matches an identifier followed by a list of qualified names (i.e. identifiers separated by the C++ scope operator '::') separated by space or '*' followed by an opening parenthesis (with space between the tokens). It matches function declarations like struct item* get_head(... int Outer::Inner::Func(... Since the pattern requires at least two identifiers, GNU-style function definitions are ignored: void func(... Moreover, since the pattern does not allow punctuation other than '*', the following C++ constructs are not recognized: . template definitions: template<class T> int func(T arg) . functions returning references: const string& get_message() . functions returning templated types: vector<int> foo() . operator definitions: Value operator+(Value l, Value r) - The third part of the pattern finally matches compound definitions. But it forgets about unions and namespaces, and also skips single-line definitions struct random_iterator_tag {}; because no semicolon can occur on the line. Change the first pattern to require a colon at the end of the line (except for trailing space and comments), so that it does not reject constructor or destructor definitions. Notice that all interesting anchor points begin with an identifier or keyword. But since there is a large variety of syntactical constructs after the first "word", the simplest is to require only this word and accept everything else. Therefore, this boils down to a line that begins with a letter or underscore (optionally preceded by the C++ scope operator '::' to accept functions returning a type anchored at the global namespace). Replace the second and third part by a single pattern that picks such a line. This has the following desirable consequence: - All constructs mentioned above are recognized. and the following likely desirable consequences: - Definitions of global variables and typedefs are recognized: int num_entries = 0; extern const char* help_text; typedef basic_string<wchar_t> wstring; - Commonly used marco-ized boilerplate code is recognized: BEGIN_MESSAGE_MAP(CCanvas,CWnd) Q_DECLARE_METATYPE(MyStruct) PATTERNS("tex",...) (The last one is from this very patch.) but also the following possibly undesirable consequence: - When a label is not on a line by itself (except for a comment) it is no longer rejected, but can appear as a hunk header if it occurs at the beginning of a line: next:; IMO, the benefits of the change outweigh the (possible) regressions by a large margin. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-21t4018: test cases showing that the cpp pattern misses many anchor pointsLibravatar Johannes Sixt12-0/+66
Most of the tests show C++ code, but there is also a union definition and a GNU style function definition that are not recognized. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>