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2014-07-09Merge branch 'jk/xstrfmt'Libravatar Junio C Hamano6-29/+11
* jk/xstrfmt: setup_git_env(): introduce git_path_from_env() helper unique_path: fix unlikely heap overflow walker_fetch: fix minor memory leak merge: use argv_array when spawning merge strategy sequencer: use argv_array_pushf setup_git_env: use git_pathdup instead of xmalloc + sprintf use xstrfmt to replace xmalloc + strcpy/strcat use xstrfmt to replace xmalloc + sprintf use xstrdup instead of xmalloc + strcpy use xstrfmt in favor of manual size calculations strbuf: add xstrfmt helper
2014-07-09Merge branch 'jk/skip-prefix'Libravatar Junio C Hamano9-32/+32
* jk/skip-prefix: http-push: refactor parsing of remote object names imap-send: use skip_prefix instead of using magic numbers use skip_prefix to avoid repeated calculations git: avoid magic number with skip_prefix fetch-pack: refactor parsing in get_ack fast-import: refactor parsing of spaces stat_opt: check extra strlen call daemon: use skip_prefix to avoid magic numbers fast-import: use skip_prefix for parsing input use skip_prefix to avoid repeating strings use skip_prefix to avoid magic numbers transport-helper: avoid reading past end-of-string fast-import: fix read of uninitialized argv memory apply: use skip_prefix instead of raw addition refactor skip_prefix to return a boolean avoid using skip_prefix as a boolean daemon: mark some strings as const parse_diff_color_slot: drop ofs parameter
2014-07-08diff-tree: call free_commit_list() instead of duplicating its codeLibravatar René Scharfe1-6/+2
Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-07-02Merge branch 'jk/commit-buffer-length'Libravatar Junio C Hamano11-29/+47
Move "commit->buffer" out of the in-core commit object and keep track of their lengths. Use this to optimize the code paths to validate GPG signatures in commit objects. * jk/commit-buffer-length: reuse cached commit buffer when parsing signatures commit: record buffer length in cache commit: convert commit->buffer to a slab commit-slab: provide a static initializer use get_commit_buffer everywhere convert logmsg_reencode to get_commit_buffer use get_commit_buffer to avoid duplicate code use get_cached_commit_buffer where appropriate provide helpers to access the commit buffer provide a helper to set the commit buffer provide a helper to free commit buffer sequencer: use logmsg_reencode in get_message logmsg_reencode: return const buffer do not create "struct commit" with xcalloc commit: push commit_index update into alloc_commit_node alloc: include any-object allocations in alloc_report replace dangerous uses of strbuf_attach commit_tree: take a pointer/len pair rather than a const strbuf
2014-07-02enums: remove trailing ',' after last item in enumLibravatar Ronnie Sahlberg1-1/+1
Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-07-02Merge branch 'maint'Libravatar Junio C Hamano1-1/+1
* maint: t7300: repair filesystem permissions with test_when_finished enums: remove trailing ',' after last item in enum
2014-07-02Merge branch 'maint-1.8.5' into maintLibravatar Junio C Hamano1-1/+1
* maint-1.8.5: t7300: repair filesystem permissions with test_when_finished enums: remove trailing ',' after last item in enum
2014-07-02enums: remove trailing ',' after last item in enumLibravatar Ronnie Sahlberg1-1/+1
Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-25Merge branch 'rs/blame-refactor'Libravatar Junio C Hamano1-28/+14
* rs/blame-refactor: blame: simplify prepare_lines() blame: factor out get_next_line()
2014-06-25Merge branch 'jk/repack-pack-writebitmaps-config'Libravatar Junio C Hamano2-10/+6
* jk/repack-pack-writebitmaps-config: t7700: drop explicit --no-pack-kept-objects from .keep test repack: introduce repack.writeBitmaps config option repack: simplify handling of --write-bitmap-index pack-objects: stop respecting pack.writebitmaps
2014-06-25Merge branch 'jk/repack-pack-keep-objects'Libravatar Junio C Hamano1-5/+9
Recent updates to "git repack" started to duplicate objects that are in packfiles marked with .keep flag into the new packfile by mistake. * jk/repack-pack-keep-objects: repack: s/write_bitmap/&s/ in code repack: respect pack.writebitmaps repack: do not accidentally pack kept objects by default
2014-06-25Merge branch 'jl/status-added-submodule-is-never-ignored' into maintLibravatar Junio C Hamano1-2/+16
"git status" (and "git commit") behaved as if changes in a modified submodule are not there if submodule.*.ignore configuration is set, which was misleading. The configuration is only to unclutter diff output during the course of development, and should not to hide changes in the "status" output to cause the users forget to commit them. * jl/status-added-submodule-is-never-ignored: commit -m: commit staged submodules regardless of ignore config status/commit: show staged submodules regardless of ignore config
2014-06-25Merge branch 'ym/fix-opportunistic-index-update-race' into maintLibravatar Junio C Hamano1-1/+1
"git status", even though it is a read-only operation, tries to update the index with refreshed lstat(2) info to optimize future accesses to the working tree opportunistically, but this could race with a "read-write" operation that modify the index while it is running. Detect such a race and avoid overwriting the index. * ym/fix-opportunistic-index-update-race: read-cache.c: verify index file before we opportunistically update it wrapper.c: add xpread() similar to xread()
2014-06-25Merge branch 'jl/remote-rm-prune' into maintLibravatar Junio C Hamano1-7/+30
"git remote rm" and "git remote prune" can involve removing many refs at once, which is not a very efficient thing to do when very many refs exist in the packed-refs file. * jl/remote-rm-prune: remote prune: optimize "dangling symref" check/warning remote: repack packed-refs once when deleting multiple refs remote rm: delete remote configuration as the last
2014-06-25Merge branch 'fc/rerere-conflict-style' into maintLibravatar Junio C Hamano1-0/+2
"git rerere forget" did not work well when merge.conflictstyle was set to a non-default value. * fc/rerere-conflict-style: rerere: fix for merge.conflictstyle
2014-06-25Merge branch 'dt/merge-recursive-case-insensitive' into maintLibravatar Junio C Hamano1-1/+2
On a case insensitive filesystem, merge-recursive incorrectly deleted the file that is to be renamed to a name that is the same except for case differences. * dt/merge-recursive-case-insensitive: mv: allow renaming to fix case on case insensitive filesystems merge-recursive.c: fix case-changing merge bug
2014-06-25Merge branch 'rs/mailinfo-header-cmp' into maintLibravatar Junio C Hamano1-3/+3
"git mailinfo" used to read beyond the end of header string while parsing an incoming e-mail message to extract the patch. * rs/mailinfo-header-cmp: mailinfo: use strcmp() for string comparison
2014-06-25Merge branch 'jk/index-pack-report-missing' into maintLibravatar Junio C Hamano1-2/+7
The error reporting from "git index-pack" has been improved to distinguish missing objects from type errors. * jk/index-pack-report-missing: index-pack: distinguish missing objects from type errors
2014-06-25Merge branch 'nd/index-pack-one-fd-per-thread' into maintLibravatar Junio C Hamano1-10/+17
We used to disable threaded "git index-pack" on platforms without thread-safe pread(); use a different workaround for such platforms to allow threaded "git index-pack". * nd/index-pack-one-fd-per-thread: index-pack: work around thread-unsafe pread()
2014-06-25Merge branch 'sk/spawn-less-case-insensitively-from-grep-O-i' into maintLibravatar Junio C Hamano1-0/+3
"git grep -O" to show the lines that hit in the pager did not work well with case insensitive search. We now spawn "less" with its "-I" option when it is used as the pager (which is the default). * sk/spawn-less-case-insensitively-from-grep-O-i: git grep -O -i: if the pager is 'less', pass the '-I' option
2014-06-25Merge branch 'nd/daemonize-gc' into maintLibravatar Junio C Hamano1-6/+20
"git gc --auto" was recently changed to run in the background to give control back early to the end-user sitting in front of the terminal, but it forgot that housekeeping involving reflogs should be done without other processes competing for accesses to the refs. * nd/daemonize-gc: gc --auto: do not lock refs in the background
2014-06-25Merge branch 'jk/diff-follow-must-take-one-pathspec' into maintLibravatar Junio C Hamano1-6/+2
"git format-patch" did not enforce the rule that the "--follow" option from the log/diff family of commands must be used with exactly one pathspec. * jk/diff-follow-must-take-one-pathspec: move "--follow needs one pathspec" rule to diff_setup_done
2014-06-25Merge branch 'jk/commit-C-pick-empty' into maintLibravatar Junio C Hamano1-3/+2
"git commit --allow-empty-message -C $commit" did not work when the commit did not have any log message. * jk/commit-C-pick-empty: commit: do not complain of empty messages from -C
2014-06-25Merge branch 'bc/blame-crlf-test' into maintLibravatar Junio C Hamano1-1/+0
"git blame" assigned the blame to the copy in the working-tree if the repository is set to core.autocrlf=input and the file used CRLF line endings. * bc/blame-crlf-test: blame: correctly handle files regardless of autocrlf
2014-06-25Merge branch 'jx/blame-align-relative-time' into maintLibravatar Junio C Hamano1-8/+22
"git blame" miscounted number of columns needed to show localized timestamps, resulting in jaggy left-side-edge of the source code lines in its output. * jx/blame-align-relative-time: blame: dynamic blame_date_width for different locales blame: fix broken time_buf paddings in relative timestamp
2014-06-25Merge branch 'jc/apply-ignore-whitespace' into maintLibravatar Junio C Hamano1-5/+7
"--ignore-space-change" option of "git apply" ignored the spaces at the beginning of line too aggressively, which is inconsistent with the option of the same name "diff" and "git diff" have. * jc/apply-ignore-whitespace: apply --ignore-space-change: lines with and without leading whitespaces do not match
2014-06-20Merge branch 'jc/fetch-pull-refmap'Libravatar Junio C Hamano1-3/+32
* jc/fetch-pull-refmap: docs: Explain the purpose of fetch's and pull's <refspec> parameter. fetch: allow explicit --refmap to override configuration fetch doc: add a section on configured remote-tracking branches fetch doc: remove "short-cut" section fetch doc: update refspec format description fetch doc: on pulling multiple refspecs fetch doc: remove notes on outdated "mixed layout" fetch doc: update note on '+' in front of the refspec fetch doc: move FETCH_HEAD material lower and add an example fetch doc: update introductory part for clarity
2014-06-20Merge branch 'rs/more-starts-with'Libravatar Junio C Hamano1-1/+1
* rs/more-starts-with: Use starts_with() for C strings instead of memcmp()
2014-06-20use skip_prefix to avoid repeating stringsLibravatar Jeff King3-11/+11
It's a common idiom to match a prefix and then skip past it with strlen, like: if (starts_with(foo, "bar")) foo += strlen("bar"); This avoids magic numbers, but means we have to repeat the string (and there is no compiler check that we didn't make a typo in one of the strings). We can use skip_prefix to handle this case without repeating ourselves. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-20apply: use skip_prefix instead of raw additionLibravatar Jeff King1-2/+3
A submodule diff generally has content like: -Subproject commit [0-9a-f]{40} +Subproject commit [0-9a-f]{40} When we are using "git apply --index" with a submodule, we first apply the textual diff, and then parse that result to figure out the new sha1. If the diff has bogus input like: -Subproject commit 1234567890123456789012345678901234567890 +bogus we will parse the "bogus" portion. Our parser assumes that the buffer starts with "Subproject commit", and blindly skips past it using strlen(). This can cause us to read random memory after the buffer. This problem was unlikely to have come up in practice (since it requires a malformed diff), and even when it did, we likely noticed the problem anyway as the next operation was to call get_sha1_hex on the random memory. However, we can easily fix it by using skip_prefix to notice the parsing error. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-20refactor skip_prefix to return a booleanLibravatar Jeff King6-18/+17
The skip_prefix() function returns a pointer to the content past the prefix, or NULL if the prefix was not found. While this is nice and simple, in practice it makes it hard to use for two reasons: 1. When you want to conditionally skip or keep the string as-is, you have to introduce a temporary variable. For example: tmp = skip_prefix(buf, "foo"); if (tmp) buf = tmp; 2. It is verbose to check the outcome in a conditional, as you need extra parentheses to silence compiler warnings. For example: if ((cp = skip_prefix(buf, "foo")) /* do something with cp */ Both of these make it harder to use for long if-chains, and we tend to use starts_with() instead. However, the first line of "do something" is often to then skip forward in buf past the prefix, either using a magic constant or with an extra strlen(3) (which is generally computed at compile time, but means we are repeating ourselves). This patch refactors skip_prefix() to return a simple boolean, and to provide the pointer value as an out-parameter. If the prefix is not found, the out-parameter is untouched. This lets you write: if (skip_prefix(arg, "foo ", &arg)) do_foo(arg); else if (skip_prefix(arg, "bar ", &arg)) do_bar(arg); Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-19use xstrfmt to replace xmalloc + strcpy/strcatLibravatar Jeff King3-14/+4
It's easy to get manual allocation calculations wrong, and the use of strcpy/strcat raise red flags for people looking for buffer overflows (though in this case each site was fine). It's also shorter to use xstrfmt, and the printf-format tends to be easier for a reader to see what the final string will look like. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-19use xstrfmt to replace xmalloc + sprintfLibravatar Jeff King2-11/+6
This is one line shorter, and makes sure the length in the malloc and sprintf steps match. These conversions are very straightforward; we can drop the malloc entirely, and replace the sprintf with xstrfmt. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-19use xstrdup instead of xmalloc + strcpyLibravatar Jeff King1-4/+1
This is one line shorter, and makes sure the length in the malloc and copy steps match. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-18avoid using skip_prefix as a booleanLibravatar Jeff King1-1/+1
There's no point in using: if (skip_prefix(buf, "foo")) over if (starts_with(buf, "foo")) as the point of skip_prefix is to return a pointer to the data after the prefix. Using starts_with is more readable, and will make refactoring skip_prefix easier. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-16Merge branch 'lt/log-auto-decorate'Libravatar Junio C Hamano1-0/+2
* lt/log-auto-decorate: git log: support "auto" decorations
2014-06-16Merge branch 'jm/format-patch-mail-sig'Libravatar Junio C Hamano1-2/+24
* jm/format-patch-mail-sig: format-patch: add "--signature-file=<file>" option format-patch: make newline after signature conditional
2014-06-16Merge branch 'fc/remote-helper-refmap'Libravatar Junio C Hamano1-1/+48
Allow remote-helper/fast-import based transport to rename the refs while transferring the history. * fc/remote-helper-refmap: transport-helper: remove unnecessary strbuf resets transport-helper: add support to delete branches fast-export: add support to delete refs fast-import: add support to delete refs transport-helper: add support to push symbolic refs transport-helper: add support for old:new refspec fast-export: add new --refspec option fast-export: improve argument parsing
2014-06-16Merge branch 'nd/daemonize-gc'Libravatar Junio C Hamano1-6/+20
"git gc --auto" was recently changed to run in the background to give control back early to the end-user sitting in front of the terminal, but it forgot that housekeeping involving reflogs should be done without other processes competing for accesses to the refs. * nd/daemonize-gc: gc --auto: do not lock refs in the background
2014-06-16Merge branch 'jl/remote-rm-prune'Libravatar Junio C Hamano1-7/+30
"git remote rm" and "git remote prune" can involve removing many refs at once, which is not a very efficient thing to do when very many refs exist in the packed-refs file. * jl/remote-rm-prune: remote prune: optimize "dangling symref" check/warning remote: repack packed-refs once when deleting multiple refs remote rm: delete remote configuration as the last
2014-06-16Merge branch 'bg/xcalloc-nmemb-then-size'Libravatar Junio C Hamano2-5/+5
Like calloc(3), xcalloc() takes nmemb and then size. * bg/xcalloc-nmemb-then-size: transport-helper.c: rearrange xcalloc arguments remote.c: rearrange xcalloc arguments reflog-walk.c: rearrange xcalloc arguments pack-revindex.c: rearrange xcalloc arguments notes.c: rearrange xcalloc arguments imap-send.c: rearrange xcalloc arguments http-push.c: rearrange xcalloc arguments diff.c: rearrange xcalloc arguments config.c: rearrange xcalloc arguments commit.c: rearrange xcalloc arguments builtin/remote.c: rearrange xcalloc arguments builtin/ls-remote.c: rearrange xcalloc arguments
2014-06-16Merge branch 'jl/status-added-submodule-is-never-ignored'Libravatar Junio C Hamano1-2/+16
submodule.*.ignore and diff.ignoresubmodules are used to ignore all submodule changes in "diff" output, but it can be confusing to apply these configuration values to status and commit. This is a backward-incompatible change, but should be so in a good way (aka bugfix). * jl/status-added-submodule-is-never-ignored: commit -m: commit staged submodules regardless of ignore config status/commit: show staged submodules regardless of ignore config
2014-06-16Merge branch 'jk/daemon-tolower'Libravatar Junio C Hamano1-14/+1
* jk/daemon-tolower: daemon/config: factor out duplicate xstrdup_tolower
2014-06-16Merge branch 'jk/diff-follow-must-take-one-pathspec'Libravatar Junio C Hamano1-6/+2
* jk/diff-follow-must-take-one-pathspec: move "--follow needs one pathspec" rule to diff_setup_done
2014-06-16Merge branch 'cc/replace-edit'Libravatar Junio C Hamano1-45/+180
"git replace" learns a new "--edit" option. * cc/replace-edit: Documentation: replace: describe new --edit option replace: add --edit to usage string replace: add tests for --edit replace: die early if replace ref already exists replace: refactor checking ref validity replace: make sure --edit results in a different object replace: add --edit option replace: factor object resolution out of replace_object replace: use OPT_CMDMODE to handle modes replace: refactor command-mode determination
2014-06-16Merge branch 'mt/patch-id-stable' (early part)Libravatar Junio C Hamano1-15/+59
* 'mt/patch-id-stable' (early part): patch-id-test: test stable and unstable behaviour patch-id: make it stable against hunk reordering test doc: test_write_lines does not split its arguments test: add test_write_lines helper
2014-06-13blame: simplify prepare_lines()Libravatar René Scharfe1-13/+7
Changing get_next_line() to return the end pointer instead of NULL in case no newline character is found treats allows us to treat complete and incomplete lines the same, simplifying the code. Switching to counting lines instead of EOLs allows us to start counting at the first character, instead of having to call get_next_line() first. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13blame: factor out get_next_line()Libravatar René Scharfe1-18/+10
Move the code for finding the start of the next line into a helper function in order to reduce duplication. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13commit: record buffer length in cacheLibravatar Jeff King6-6/+18
Most callsites which use the commit buffer try to use the cached version attached to the commit, rather than re-reading from disk. Unfortunately, that interface provides only a pointer to the NUL-terminated buffer, with no indication of the original length. For the most part, this doesn't matter. People do not put NULs in their commit messages, and the log code is happy to treat it all as a NUL-terminated string. However, some code paths do care. For example, when checking signatures, we want to be very careful that we verify all the bytes to avoid malicious trickery. This patch just adds an optional "size" out-pointer to get_commit_buffer and friends. The existing callers all pass NULL (there did not seem to be any obvious sites where we could avoid an immediate strlen() call, though perhaps with some further refactoring we could). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13use get_commit_buffer everywhereLibravatar Jeff King3-4/+13
Each of these sites assumes that commit->buffer is valid. Since they would segfault if this was not the case, they are likely to be correct in practice. However, we can future-proof them by using get_commit_buffer. And as a side effect, we abstract away the final bare uses of commit->buffer. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>