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2016-07-19Merge branch 'bc/cocci'Libravatar Junio C Hamano1-1/+2
Conversion from unsigned char sha1[20] to struct object_id continues. * bc/cocci: diff: convert prep_temp_blob() to struct object_id merge-recursive: convert merge_recursive_generic() to object_id merge-recursive: convert leaf functions to use struct object_id merge-recursive: convert struct merge_file_info to object_id merge-recursive: convert struct stage_data to use object_id diff: rename struct diff_filespec's sha1_valid member diff: convert struct diff_filespec to struct object_id coccinelle: apply object_id Coccinelle transformations coccinelle: convert hashcpy() with null_sha1 to hashclr() contrib/coccinelle: add basic Coccinelle transforms hex: add oid_to_hex_r()
2016-07-13Merge branch 'va/i18n-even-more'Libravatar Junio C Hamano1-2/+2
More markings of messages for i18n, with updates to various tests to pass GETTEXT_POISON tests. One patch from the original submission dropped due to conflicts with jk/upload-pack-hook, which is still in flux. * va/i18n-even-more: (38 commits) t5541: become resilient to GETTEXT_POISON i18n: branch: mark comment when editing branch description for translation i18n: unmark die messages for translation i18n: submodule: escape shell variables inside eval_gettext i18n: submodule: join strings marked for translation i18n: init-db: join message pieces i18n: remote: allow translations to reorder message i18n: remote: mark URL fallback text for translation i18n: standardise messages i18n: sequencer: add period to error message i18n: merge: change command option help to lowercase i18n: merge: mark messages for translation i18n: notes: mark options for translation i18n: notes: mark strings for translation i18n: transport-helper.c: change N_() call to _() i18n: bisect: mark strings for translation t5523: use test_i18ngrep for negation t4153: fix negated test_i18ngrep call t9003: become resilient to GETTEXT_POISON tests: unpack-trees: update to use test_i18n* functions ...
2016-06-28diff: convert struct diff_filespec to struct object_idLibravatar brian m. carlson1-1/+2
Convert struct diff_filespec's sha1 member to use a struct object_id called "oid" instead. The following Coccinelle semantic patch was used to implement this, followed by the transformations in object_id.cocci: @@ struct diff_filespec o; @@ - o.sha1 + o.oid.hash @@ struct diff_filespec *p; @@ - p->sha1 + p->oid.hash Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-17i18n: unmark die messages for translationLibravatar Vasco Almeida1-2/+2
These messages are relevant for the programmer only, not for the end user. Thus, they can be unmarked for translation, saving translator some work. Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-09Use "working tree" instead of "working directory" for git statusLibravatar Lars Vogel1-1/+1
Working directory can be easily confused with the current directory. In one of my patches I already updated the usage of working directory with working tree for the man page but I noticed that git status also uses this incorrect term. Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-23Merge branch 'nd/worktree-various-heads'Libravatar Junio C Hamano1-20/+43
The experimental "multiple worktree" feature gains more safety to forbid operations on a branch that is checked out or being actively worked on elsewhere, by noticing that e.g. it is being rebased. * nd/worktree-various-heads: branch: do not rename a branch under bisect or rebase worktree.c: check whether branch is bisected in another worktree wt-status.c: split bisect detection out of wt_status_get_state() worktree.c: check whether branch is rebased in another worktree worktree.c: avoid referencing to worktrees[i] multiple times wt-status.c: make wt_status_check_rebase() work on any worktree wt-status.c: split rebase detection out of wt_status_get_state() path.c: refactor and add worktree_git_path() worktree.c: mark current worktree worktree.c: make find_shared_symref() return struct worktree * worktree.c: store "id" instead of "git_dir" path.c: add git_common_path() and strbuf_git_common_path() dir.c: rename str(n)cmp_icase to fspath(n)cmp
2016-05-23Merge branch 'ss/commit-dry-run-resolve-merge-to-no-op'Libravatar Junio C Hamano1-0/+1
"git commit --dry-run" reported "No, no, you cannot commit." in one case where "git commit" would have allowed you to commit, and this improves it a little bit ("git commit --dry-run --short" still does not give you the correct answer, for example). This is a stop-gap measure in that "commit --short --dry-run" still gives an incorrect result. * ss/commit-dry-run-resolve-merge-to-no-op: wt-status.c: set commitable bit if there is a meaningful merge.
2016-04-22wt-status.c: split bisect detection out of wt_status_get_state()Libravatar Nguyễn Thái Ngọc Duy1-9/+14
And make it work with any given worktree, in preparation for (again) find_shared_symref(). read_and_strip_branch() is deleted because it's no longer used. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-04-22wt-status.c: make wt_status_check_rebase() work on any worktreeLibravatar Nguyễn Thái Ngọc Duy1-13/+20
This is a preparation step for find_shared_symref() to detect if any worktree is being rebased. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-04-22wt-status.c: split rebase detection out of wt_status_get_state()Libravatar Nguyễn Thái Ngọc Duy1-6/+17
worktree.c:find_shared_symref() later needs to know if a branch is being rebased, and only rebase, no cherry-pick, do detached branch... Split this code so it can be used independently from other in-progress tests. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-04-13Merge branch 'sb/misc-cleanups'Libravatar Junio C Hamano1-3/+1
Assorted minor clean-ups. * sb/misc-cleanups: credential-cache, send_request: close fd when done bundle: don't leak an fd in case of early return abbrev_sha1_in_line: don't leak memory notes: don't leak memory in git_config_get_notes_strategy
2016-04-01abbrev_sha1_in_line: don't leak memoryLibravatar Stefan Beller1-3/+1
`split` is of type `struct strbuf **`, and currently we are leaking split itself as well as each element in split[i]. We have a dedicated free function for `struct strbuf **`, which takes care of freeing all related memory. Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-03-14Merge branch 'mg/wt-status-mismarked-i18n'Libravatar Junio C Hamano1-2/+2
* mg/wt-status-mismarked-i18n: wt-status: allow "ahead " to be picked up by l10n
2016-03-14wt-status: allow "ahead " to be picked up by l10nLibravatar Michael J Gruber1-2/+2
The extra pair of parentheses keeps the l10n engine from picking up the string. Remove them so that "ahead " ends up in git.pot. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-17wt-status.c: set commitable bit if there is a meaningful merge.Libravatar Stephen P. Smith1-0/+1
The 'commit --dry-run' and 'commit' return values differed if a conflicted merge had been resolved and the resulting commit would record the same tree as the parent. Update show_merge_in_progress to set the commitable bit if conflicts have been resolved and a merge is in progress. Signed-off-by: Stephen P. Smith <ischis2@cox.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-01-15strbuf: introduce strbuf_getline_{lf,nul}()Libravatar Junio C Hamano1-2/+2
The strbuf_getline() interface allows a byte other than LF or NUL as the line terminator, but this is only because I wrote these codepaths anticipating that there might be a value other than NUL and LF that could be useful when I introduced line_termination long time ago. No useful caller that uses other value has emerged. By now, it is clear that the interface is overly broad without a good reason. Many codepaths have hardcoded preference to read either LF terminated or NUL terminated records from their input, and then call strbuf_getline() with LF or NUL as the third parameter. This step introduces two thin wrappers around strbuf_getline(), namely, strbuf_getline_lf() and strbuf_getline_nul(), and mechanically rewrites these call sites to call either one of them. The changes contained in this patch are: * introduction of these two functions in strbuf.[ch] * mechanical conversion of all callers to strbuf_getline() with either '\n' or '\0' as the third parameter to instead call the respective thin wrapper. After this step, output from "git grep 'strbuf_getline('" would become a lot smaller. An interim goal of this series is to make this an empty set, so that we can have strbuf_getline_crlf() take over the shorter name strbuf_getline(). Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-12-10Merge branch 'bc/object-id'Libravatar Junio C Hamano1-1/+1
More transition from "unsigned char[40]" to "struct object_id". This needed a few merge fixups, but is mostly disentangled from other topics. * bc/object-id: remote: convert functions to struct object_id Remove get_object_hash. Convert struct object to object_id Add several uses of get_object_hash. object: introduce get_object_hash macro. ref_newer: convert to use struct object_id push_refs_with_export: convert to struct object_id get_remote_heads: convert to struct object_id parse_fetch: convert to use struct object_id add_sought_entry_mem: convert to struct object_id Convert struct ref to use object_id. sha1_file: introduce has_object_file helper.
2015-11-28wt-status: correct and simplify check for detached HEADLibravatar René Scharfe1-5/+4
If a branch name is longer than four characters then memcmp() reads over the end of the static string "HEAD". This causes the following test failures with AddressSanitizer: t3203-branch-output.sh (Wstat: 256 Tests: 18 Failed: 4) Failed tests: 12, 15-17 Non-zero exit status: 1 t3412-rebase-root.sh (Wstat: 256 Tests: 31 Failed: 3) Failed tests: 28-29, 31 Non-zero exit status: 1 t3507-cherry-pick-conflict.sh (Wstat: 256 Tests: 31 Failed: 4) Failed tests: 14, 29-31 Non-zero exit status: 1 t3510-cherry-pick-sequence.sh (Wstat: 256 Tests: 39 Failed: 14) Failed tests: 17, 22-26, 28-30, 34-35, 37-39 Non-zero exit status: 1 t3420-rebase-autostash.sh (Wstat: 256 Tests: 28 Failed: 4) Failed tests: 24-27 Non-zero exit status: 1 t3404-rebase-interactive.sh (Wstat: 256 Tests: 91 Failed: 57) Failed tests: 17, 19, 21-42, 44, 46-74, 77, 81-82 Non-zero exit status: 1 t3900-i18n-commit.sh (Wstat: 256 Tests: 34 Failed: 1) Failed test: 34 Non-zero exit status: 1 t5407-post-rewrite-hook.sh (Wstat: 256 Tests: 14 Failed: 6) Failed tests: 9-14 Non-zero exit status: 1 t7001-mv.sh (Wstat: 256 Tests: 46 Failed: 5) Failed tests: 39-43 Non-zero exit status: 1 t7509-commit.sh (Wstat: 256 Tests: 12 Failed: 2) Failed tests: 11-12 Non-zero exit status: 1 t7512-status-help.sh (Wstat: 256 Tests: 39 Failed: 35) Failed tests: 5-39 Non-zero exit status: 1 t6030-bisect-porcelain.sh (Wstat: 256 Tests: 70 Failed: 1) Failed test: 13 Non-zero exit status: 1 And if a branch is named "H", "HE", or "HEA" then the current if clause erroneously considers it as matching "HEAD" because it only compares up to the end of the branch name. Fix that by doing the comparison using strcmp() and only after the branch name is extracted. This way neither too less nor too many characters are checked. While at it call strchrnul() to find the end of the branch name instead of open-coding it. Helped-by: Jeff King <peff@peff.net> Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Jeff King <peff@peff.net>
2015-11-20Remove get_object_hash.Libravatar brian m. carlson1-1/+1
Convert all instances of get_object_hash to use an appropriate reference to the hash member of the oid member of struct object. This provides no functional change, as it is essentially a macro substitution. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Jeff King <peff@peff.net>
2015-11-20Add several uses of get_object_hash.Libravatar brian m. carlson1-1/+1
Convert most instances where the sha1 member of struct object is dereferenced to use get_object_hash. Most instances that are passed to functions that have versions taking struct object_id, such as get_sha1_hex/get_oid_hex, or instances that can be trivially converted to use struct object_id instead, are not converted. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Jeff King <peff@peff.net>
2015-11-05Merge branch 'rs/wt-status-detached-branch-fix' into maintLibravatar Junio C Hamano1-35/+29
"git status --branch --short" accessed beyond the constant string "HEAD", which has been corrected. * rs/wt-status-detached-branch-fix: wt-status: use skip_prefix() to get rid of magic string length constants wt-status: don't skip a magical number of characters blindly wt-status: avoid building bogus branch name with detached HEAD wt-status: exit early using goto in wt_shortstatus_print_tracking() t7060: add test for status --branch on a detached HEAD
2015-11-03Merge branch 'rs/wt-status-detached-branch-fix'Libravatar Junio C Hamano1-35/+29
"git status --branch --short" accessed beyond the constant string "HEAD", which has been corrected. * rs/wt-status-detached-branch-fix: wt-status: use skip_prefix() to get rid of magic string length constants wt-status: don't skip a magical number of characters blindly wt-status: avoid building bogus branch name with detached HEAD wt-status: exit early using goto in wt_shortstatus_print_tracking() t7060: add test for status --branch on a detached HEAD
2015-11-01wt-status: use skip_prefix() to get rid of magic string length constantsLibravatar René Scharfe1-21/+15
Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-11-01wt-status: don't skip a magical number of characters blindlyLibravatar René Scharfe1-1/+1
Use the variable branch_name, which already has "refs/heads/" removed, instead of blindly advancing in the ->branch string by 11 bytes. This is safer and less magical. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-11-01wt-status: avoid building bogus branch name with detached HEADLibravatar René Scharfe1-6/+9
If we're on a detached HEAD then wt_shortstatus_print_tracking() takes the string "HEAD (no branch)", translates it, skips the first eleven characters and passes the result to branch_get(), which returns a bogus result and accesses memory out of bounds in order to produce it. Somehow stat_tracking_info(), which is passed that result, does the right thing anyway, i.e. it finds that there is no base. Avoid the bogus results and memory accesses by checking for HEAD first and exiting early in that case. This fixes t7060 with --valgrind. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-11-01wt-status: exit early using goto in wt_shortstatus_print_tracking()Libravatar René Scharfe1-8/+5
Deduplicate printing the line terminator by jumping to the end of the function. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-10-16Merge branch 'mm/detach-at-HEAD-reflog' into maintLibravatar Junio C Hamano1-0/+6
After "git checkout --detach", "git status" reported a fairly useless "HEAD detached at HEAD", instead of saying at which exact commit. * mm/detach-at-HEAD-reflog: status: don't say 'HEAD detached at HEAD' t3203: test 'detached at' after checkout --detach
2015-10-15Merge branch 'mm/detach-at-HEAD-reflog'Libravatar Junio C Hamano1-0/+6
After "git checkout --detach", "git status" reported a fairly useless "HEAD detached at HEAD", instead of saying at which exact commit. * mm/detach-at-HEAD-reflog: status: don't say 'HEAD detached at HEAD' t3203: test 'detached at' after checkout --detach
2015-10-02status: don't say 'HEAD detached at HEAD'Libravatar Matthieu Moy1-0/+6
After using "git checkout --detach", the reflog is left with an entry like checkout: moving from ... to HEAD This message is parsed to generate the 'HEAD detached at' message in 'git branch' and 'git status', which leads to the not-so-useful message 'HEAD detached at HEAD'. Instead, when parsing such reflog entry, resolve HEAD to the corresponding commit in the reflog, so that the message becomes 'HEAD detached at $sha1'. Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-09-03Merge branch 'sg/wt-status-header-inclusion' into maintLibravatar Junio C Hamano1-1/+0
* sg/wt-status-header-inclusion: wt-status: move #include "pathspec.h" to the header
2015-08-26Merge branch 'sg/wt-status-header-inclusion'Libravatar Junio C Hamano1-1/+0
* sg/wt-status-header-inclusion: wt-status: move #include "pathspec.h" to the header
2015-08-21wt-status: move #include "pathspec.h" to the headerLibravatar SZEDER Gábor1-1/+0
The declaration of 'struct wt_status' requires the declararion of 'struct pathspec'. Signed-off-by: SZEDER Gábor <szeder@ira.uka.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-08-10memoize common git-path "constant" filesLibravatar Jeff King1-4/+4
One of the most common uses of git_path() is to pass a constant, like git_path("MERGE_MSG"). This has two drawbacks: 1. The return value is a static buffer, and the lifetime is dependent on other calls to git_path, etc. 2. There's no compile-time checking of the pathname. This is OK for a one-off (after all, we have to spell it correctly at least once), but many of these constant strings appear throughout the code. This patch introduces a series of functions to "memoize" these strings, which are essentially globals for the lifetime of the program. We compute the value once, take ownership of the buffer, and return the cached value for subsequent calls. cache.h provides a helper macro for defining these functions as one-liners, and defines a few common ones for global use. Using a macro is a little bit gross, but it does nicely document the purpose of the functions. If we need to touch them all later (e.g., because we learned how to change the git_dir variable at runtime, and need to invalidate all of the stored values), it will be much easier to have the complete list. Note that the shared-global functions have separate, manual declarations. We could do something clever with the macros (e.g., expand it to a declaration in some places, and a declaration _and_ a definition in path.c). But there aren't that many, and it's probably better to stay away from too-magical macros. Likewise, if we abandon the C preprocessor in favor of generating these with a script, we could get much fancier. E.g., normalizing "FOO/BAR-BAZ" into "git_path_foo_bar_baz". But the small amount of saved typing is probably not worth the resulting confusion to readers who want to grep for the function's definition. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-08-03Merge branch 'gp/status-rebase-i-info'Libravatar Junio C Hamano1-17/+134
Teach "git status" to show a more detailed information regarding the "rebase -i" session in progress. * gp/status-rebase-i-info: status: add new tests for status during rebase -i status: give more information during rebase -i status: differentiate interactive from non-interactive rebases status: factor two rebase-related messages together
2015-08-03Merge branch 'sg/commit-cleanup-scissors' into maintLibravatar Junio C Hamano1-4/+5
"git commit --cleanup=scissors" was not careful enough to protect against getting fooled by a line that looked like scissors. * sg/commit-cleanup-scissors: commit: cope with scissors lines in commit message
2015-07-06status: give more information during rebase -iLibravatar Guillaume Pagès1-0/+114
git status gives more information during rebase -i, about the list of command that are done during the rebase. It displays the two last commands executed and the two next lines to be executed. It also gives hints to find the whole files in .git directory. Signed-off-by: Guillaume Pagès <guillaume.pages@ensimag.grenoble-inp.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-06-30status: differentiate interactive from non-interactive rebasesLibravatar Guillaume Pagès1-1/+4
Signed-off-by: Guillaume Pagès <guillaume.pages@ensimag.grenoble-inp.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-06-30status: factor two rebase-related messages togetherLibravatar Guillaume Pagès1-16/+16
Signed-off-by: Guillaume Pagès <guillaume.pages@ensimag.grenoble-inp.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-06-24Merge branch 'sg/commit-cleanup-scissors'Libravatar Junio C Hamano1-4/+5
"git commit --cleanup=scissors" was not careful enough to protect against getting fooled by a line that looked like scissors. * sg/commit-cleanup-scissors: commit: cope with scissors lines in commit message
2015-06-09commit: cope with scissors lines in commit messageLibravatar SZEDER Gábor1-4/+5
The diff and submodule shortlog appended to the commit message template by 'git commit --verbose' are not stripped when the commit message contains an indented scissors line. When cleaning up a commit message with 'git commit --verbose' or '--cleanup=scissors' the code is careful and triggers only on a pure scissors line, i.e. a line containing nothing but a comment character, a space, and the scissors cut. This is good, because people can embed scissors lines in the commit message while using 'git commit --verbose', and the text they write after their indented scissors line doesn't get deleted. While doing so, however, the cleanup function only looks at the first line matching the scissors pattern and if it doesn't start at the beginning of the line, then the function just returns without performing any cleanup. This is wrong, because a "real" scissors line added by 'git commit --verbose' might follow, and in that case the diff and submodule shortlog get included in the commit message. Fix this by changing the scissors pattern to match only at the beginning of the line, yet be careful to catch scissors on the first line as well. Helped-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: SZEDER Gábor <szeder@ira.uka.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-06-05Merge branch 'jk/at-push-sha1'Libravatar Junio C Hamano1-12/+6
Introduce <branch>@{push} short-hand to denote the remote-tracking branch that tracks the branch at the remote the <branch> would be pushed to. * jk/at-push-sha1: for-each-ref: accept "%(push)" format for-each-ref: use skip_prefix instead of starts_with sha1_name: implement @{push} shorthand sha1_name: refactor interpret_upstream_mark sha1_name: refactor upstream_mark remote.c: add branch_get_push remote.c: return upstream name from stat_tracking_info remote.c: untangle error logic in branch_get_upstream remote.c: report specific errors from branch_get_upstream remote.c: introduce branch_get_upstream helper remote.c: hoist read_config into remote_get_1 remote.c: provide per-branch pushremote name remote.c: hoist branch.*.remote lookup out of remote_get_1 remote.c: drop "remote" pointer from "struct branch" remote.c: refactor setup of branch->merge list remote.c: drop default_remote_name variable
2015-05-26Merge branch 'nd/untracked-cache'Libravatar Junio C Hamano1-0/+2
Teach the index to optionally remember already seen untracked files to speed up "git status" in a working tree with tons of cruft. * nd/untracked-cache: (24 commits) git-status.txt: advertisement for untracked cache untracked cache: guard and disable on system changes mingw32: add uname() t7063: tests for untracked cache update-index: test the system before enabling untracked cache update-index: manually enable or disable untracked cache status: enable untracked cache untracked-cache: temporarily disable with $GIT_DISABLE_UNTRACKED_CACHE untracked cache: mark index dirty if untracked cache is updated untracked cache: print stats with $GIT_TRACE_UNTRACKED_STATS untracked cache: avoid racy timestamps read-cache.c: split racy stat test to a separate function untracked cache: invalidate at index addition or removal untracked cache: load from UNTR index extension untracked cache: save to an index extension ewah: add convenient wrapper ewah_serialize_strbuf() untracked cache: don't open non-existent .gitignore untracked cache: mark what dirs should be recursed/saved untracked cache: record/validate dir mtime and reuse cached output untracked cache: make a wrapper around {open,read,close}dir() ...
2015-05-22remote.c: return upstream name from stat_tracking_infoLibravatar Jeff King1-12/+6
After calling stat_tracking_info, callers often want to print the name of the upstream branch (in addition to the tracking count). To do this, they have to access branch->merge->dst[0] themselves. This is not wrong, as the return value from stat_tracking_info tells us whether we have an upstream branch or not. But it is a bit leaky, as we make an assumption about how it calculated the upstream name. Instead, let's add an out-parameter that lets the caller know the upstream name we found. As a bonus, we can get rid of the unusual tri-state return from the function. We no longer need to use it to differentiate between "no tracking config" and "tracking ref does not exist" (since you can check the upstream_name for that), so we can just use the usual 0/-1 convention for success/error. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-04-14Merge branch 'sb/plug-wt-shortstatus-tracking-leak'Libravatar Junio C Hamano1-0/+1
* sb/plug-wt-shortstatus-tracking-leak: wt-status.c: fix a memleak
2015-03-30wt-status.c: fix a memleakLibravatar Stefan Beller1-0/+1
wt_shortstatus_print_tracking() calls shorten_unambiguous_ref(), which returns a newly allocated memory the caller takes ownership of; it is necessary to free `base` when the function is done with it. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-03-25Merge branch 'jk/run-command-capture'Libravatar Junio C Hamano1-7/+3
The run-command interface was easy to abuse and make a pipe for us to read from the process, wait for the process to finish and then attempt to read its output, which is a pattern that lead to a deadlock. Fix such uses by introducing a helper to do this correctly (i.e. we need to read first and then wait the process to finish) and also add code to prevent such abuse in the run-command helper. * jk/run-command-capture: run-command: forbid using run_command with piped output trailer: use capture_command submodule: use capture_command wt-status: use capture_command run-command: introduce capture_command helper wt_status: fix signedness mismatch in strbuf_read call wt-status: don't flush before running "submodule status"
2015-03-22wt-status: use capture_commandLibravatar Jeff King1-4/+1
When we spawn "git submodule status" to read its output, we use run_command() followed by strbuf_read() read from the pipe. This can deadlock if the subprocess output is larger than the system pipe buffer. Furthermore, if start_command() fails, we'll try to read from a bogus descriptor (probably "-1" or a descriptor we just closed, but it is a bad idea for us to make assumptions about how start_command implements its error handling). And if start_command succeeds, we leak the file descriptor for the pipe to the child. All of these can be solved by using the capture_command helper. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-03-22wt_status: fix signedness mismatch in strbuf_read callLibravatar Jeff King1-3/+3
We call strbuf_read(), and want to know whether we got any output. To do so, we assign the result to a size_t, and check whether it is non-zero. But strbuf_read returns a signed ssize_t. If it encounters an error, it will return -1, and we'll end up treating this the same as if we had gotten output. Instead, we can just check whether our buffer has anything in it (which is what we care about anyway, and is the same thing since we know the buffer was empty to begin with). Note that the "len" variable actually has two roles in this function. Now that we've eliminated the first, we can push the declaration closer to the point of use for the second one. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-03-22wt-status: don't flush before running "submodule status"Libravatar Jeff King1-1/+0
This is a holdover from the original implementation in ac8d5af (builtin-status: submodule summary support, 2008-04-12), which just had the sub-process output to our descriptor; we had to make sure we had flushed any data that we produced before it started writing. Since 3ba7407 (submodule summary: ignore --for-status option, 2013-09-06), however, we pipe the sub-process output back to ourselves. So there's no longer any need to flush (it does not hurt, but it may leave readers wondering why we do it). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-03-20Merge branch 'mg/detached-head-report'Libravatar Junio C Hamano1-3/+3
"git branch" on a detached HEAD always said "(detached from xyz)", even when "git status" would report "detached at xyz". The HEAD is actually at xyz and haven't been moved since it was detached in such a case, but the user cannot read what the current value of HEAD is when "detached from" is used. * mg/detached-head-report: branch: name detached HEAD analogous to status wt-status: refactor detached HEAD analysis