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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()
2014-06-16Merge 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>
2014-06-13convert logmsg_reencode to get_commit_bufferLibravatar Jeff King2-3/+3
Like the callsites in the previous commit, logmsg_reencode already falls back to read_sha1_file when necessary. However, I split its conversion out into its own commit because it's a bit more complex. We return either: 1. The original commit->buffer 2. A newly allocated buffer from read_sha1_file 3. A reencoded buffer (based on either 1 or 2 above). while trying to do as few extra reads/allocations as possible. Callers currently free the result with logmsg_free, but we can simplify this by pointing them straight to unuse_commit_buffer. This is a slight layering violation, in that we may be passing a buffer from (3). However, since the end result is to free() anything except (1), which is unlikely to change, and because this makes the interface much simpler, it's a reasonable bending of the rules. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13use get_cached_commit_buffer where appropriateLibravatar Jeff King1-1/+1
Some call sites check commit->buffer to see whether we have a cached buffer, and if so, do some work with it. In the long run we may want to switch these code paths to make their decision on a different boolean flag (because checking the cache may get a little more expensive in the future). But for now, we can easily support them by converting the calls to use get_cached_commit_buffer. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13provide a helper to set the commit bufferLibravatar Jeff King1-1/+1
Right now this is just a one-liner, but abstracting it will make it easier to change later. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13provide a helper to free commit bufferLibravatar Jeff King4-9/+6
This converts two lines into one at each caller. But more importantly, it abstracts the concept of freeing the buffer, which will make it easier to change later. Note that we also need to provide a "detach" mechanism for a tricky case in index-pack. We are passed a buffer for the object generated by processing the incoming pack. If we are not using --strict, we just calculate the sha1 on that buffer and return, leaving the caller to free it. But if we are using --strict, we actually attach that buffer to an object, pass the object to the fsck functions, and then detach the buffer from the object again (so that the caller can free it as usual). In this case, we don't want to free the buffer ourselves, but just make sure it is no longer associated with the commit. Note that we are making the assumption here that the attach/detach process does not impact the buffer at all (e.g., it is never reallocated or modified). That holds true now, and we have no plans to change that. However, as we abstract the commit_buffer code, this dependency becomes less obvious. So when we detach, let's also make sure that we get back the same buffer that we gave to the commit_buffer code. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-12Merge branch 'jc/rev-parse-argh-dashed-multi-words' into maintLibravatar Junio C Hamano1-0/+3
* jc/rev-parse-argh-dashed-multi-words: update-index: fix segfault with missing --cacheinfo argument
2014-06-12logmsg_reencode: return const bufferLibravatar Jeff King2-2/+2
The return value from logmsg_reencode may be either a newly allocated buffer or a pointer to the existing commit->buffer. We would not want the caller to accidentally free() or modify the latter, so let's mark it as const. We can cast away the constness in logmsg_free, but only once we have determined that it is a free-able buffer. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-12do not create "struct commit" with xcallocLibravatar Jeff King1-1/+1
In both blame and merge-recursive, we sometimes create a "fake" commit struct for convenience (e.g., to represent the HEAD state as if we would commit it). By allocating ourselves rather than using alloc_commit_node, we do not properly set the "index" field of the commit. This can produce subtle bugs if we then use commit-slab on the resulting commit, as we will share the "0" index with another commit. We can fix this by using alloc_commit_node() to allocate. Note that we cannot free the result, as it is part of our commit allocator. However, both cases were already leaking the allocated commit anyway, so there's nothing to fix up. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-12commit_tree: take a pointer/len pair rather than a const strbufLibravatar Jeff King3-8/+8
While strbufs are pretty common throughout our code, it is more flexible for functions to take a pointer/len pair than a strbuf. It's easy to turn a strbuf into such a pair (by dereferencing its members), but less easy to go the other way (you can strbuf_attach, but that has implications about memory ownership). This patch teaches commit_tree (and its associated callers and sub-functions) to take such a pair for the commit message rather than a strbuf. This makes passing the buffer around slightly more verbose, but means we can get rid of some dangerous strbuf_attach calls in the next patch. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-10repack: introduce repack.writeBitmaps config optionLibravatar Jeff King1-1/+2
We currently have pack.writeBitmaps, which originally operated at the pack-objects level. This should really have been a repack.* option from day one. Let's give it the more sensible name, but keep the old version as a deprecated synonym. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-10repack: simplify handling of --write-bitmap-indexLibravatar Jeff King1-5/+4
We previously needed to pass --no-write-bitmap-index explicitly to pack-objects to override its reading of pack.writebitmaps from the config. Now that it no longer does so, we can assume that bitmaps are off by default, and only turn them on when necessary. This also lets us avoid a confusing tri-state flag for write_bitmaps. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>