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If a submodule was renamed at any point since it's inception then if you
were to try and grep on a commit prior to the submodule being moved, you
wouldn't be able to find a working directory for the submodule since the
path in the past is different from the current path.
This patch teaches grep to find the .git directory for a submodule in
the parents .git/modules/ directory in the event the path to the
submodule in the commit that is being searched differs from the state of
the currently checked out commit. If found, the child process that is
spawned to grep the submodule will chdir into its gitdir instead of a
working directory.
In order to override the explicit setting of submodule child process's
gitdir environment variable (which was introduced in '10f5c526')
`GIT_DIR_ENVIORMENT` needs to be pushed onto child process's env_array.
This allows the searching of history from a submodule's gitdir, rather
than from a working directory.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach grep to recursively search in submodules when provided with a
<tree> object. This allows grep to search a submodule based on the state
of the submodule that is present in a commit of the super project.
When grep is provided with a <tree> object, the name of the object is
prefixed to all output. In order to provide uniformity of output
between the parent and child processes the option `--parent-basename`
has been added so that the child can preface all of it's output with the
name of the parent's object instead of the name of the commit SHA1 of
the submodule. This changes output from the command
`git grep -e. -l --recurse-submodules HEAD` from:
HEAD:file
<commit sha1 of submodule>:sub/file
to:
HEAD:file
HEAD:sub/file
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Allow grep to recognize submodules and recursively search for patterns in
each submodule. This is done by forking off a process to recursively
call grep on each submodule. The top level --super-prefix option is
used to pass a path to the submodule which can in turn be used to
prepend to output or in pathspec matching logic.
Recursion only occurs for submodules which have been initialized and
checked out by the parent project. If a submodule hasn't been
initialized and checked out it is simply skipped.
In order to support the existing multi-threading infrastructure in grep,
output from each child process is captured in a strbuf so that it can be
later printed to the console in an ordered fashion.
To limit the number of theads that are created, each child process has
half the number of threads as its parents (minimum of 1), otherwise we
potentailly have a fork-bomb.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add `GREP_SOURCE_SUBMODULE` as a grep_source type and cases for this new
type in the various switch statements in grep.c.
When initializing a grep_source with type `GREP_SOURCE_SUBMODULE` the
identifier can either be NULL (to indicate that the working tree will be
used) or a SHA1 (the REV of the submodule to be grep'd). If the
identifier is a SHA1 then we want to fall through to the
`GREP_SOURCE_SHA1` case to handle the copying of the SHA1.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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teach submodules to load a '.gitmodules' file from a commit sha1. This
enables the population of the submodule_cache to be based on the state
of the '.gitmodules' file from a particular commit.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add the `is_submodule_initialized()` helper function to submodules.c.
`is_submodule_initialized()` performs a check to determine if the
submodule at the given path has been initialized.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add the `is_submodule_populated()` helper function to submodules.c.
`is_submodule_populated()` performes a check to see if a submodule has
been checkout out (and has a valid .git directory/file) at the given path.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When an absolute path is resolved, resolution begins at the first path
component after the root part. The root part is just copied verbatim,
because it must not be inspected for symbolic links. For POSIX paths,
this is just the initial slash, but on Windows, the root part has the
forms c:\ or \\server\share. We do want to canonicalize the back-slashes
in the root part because these parts are compared to the result of
getcwd(), which does return a fully canonicalized path.
Factor out a helper that splits off the root part, and have it
canonicalize the copied part.
This change was prompted because t1504-ceiling-dirs.sh caught a breakage
in GIT_CEILING_DIRECTORIES handling on Windows.
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Acked-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Migrate callers of real_path() who duplicate the retern value to use
real_pathdup or strbuf_realpath.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Create real_pathdup which returns a caller owned string of the resolved
realpath based on the provide path.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the name of real_path_internal to strbuf_realpath. In addition
push the static strbuf up to its callers and instead take as a
parameter a pointer to a strbuf to use for the final result.
This change makes strbuf_realpath reentrant.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The current implementation of real_path uses chdir() in order to resolve
symlinks. Unfortunately this isn't thread-safe as chdir() affects a
process as a whole and not just an individual thread. Instead perform
the symlink resolution by hand so that the calls to chdir() can be
removed, making real_path one step closer to being reentrant.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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For now, let's call it 2.12 tentatively.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint-2.10:
preparing for 2.10.3
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/common-main:
common-main: stop munging argv[0] path
git-compat-util: move content inside ifdef/endif guards
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Code cleanup.
* tk/diffcore-delta-remove-unused:
diffcore-delta: remove unused parameter to diffcore_count_changes()
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Code clean-up.
* jk/create-branch-remove-unused-param:
create_branch: drop unused "head" parameter
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Typofix.
* nd/worktree-lock:
git-worktree.txt: fix typo "to"/"two", and add comma
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Doc fix.
* ps/common-info-doc:
doc: fix location of 'info/' with $GIT_COMMON_DIR
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Improve the rule to convert "unsigned char [20]" into "struct
object_id *" in contrib/coccinelle/
* rs/cocci:
cocci: avoid self-references in object_id transformations
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Update to the test framework made in 2.9 timeframe broke running
the tests under valgrind, which has been fixed.
* nd/test-helpers:
valgrind: support test helpers
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Documentation fix.
* sc/fmt-merge-msg-doc-markup-fix:
Documentation/fmt-merge-msg: fix markup in example
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Code simplification.
* rs/commit-pptr-simplify:
commit: simplify building parents list
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Documentation fix.
* jk/rebase-config-insn-fmt-docfix:
doc: fix missing "::" in config list
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A trivial clean-up to a recently graduated topic.
* ak/pre-receive-hook-template-modefix:
pre-receive.sample: mark it executable
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Portability update and workaround for builds on recent Mac OS X.
* ls/macos-update:
travis-ci: disable GIT_TEST_HTTPD for macOS
Makefile: set NO_OPENSSL on macOS by default
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Fix for a racy false-positive test failure.
* as/merge-attr-sleep:
t6026: clarify the point of "kill $(cat sleep.pid)"
t6026: ensure that long-running script really is
Revert "t6026-merge-attr: don't fail if sleep exits early"
Revert "t6026-merge-attr: ensure that the merge driver was called"
t6026-merge-attr: ensure that the merge driver was called
t6026-merge-attr: don't fail if sleep exits early
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Recent update to git-sh-setup (a library of shell functions that
are used by our in-tree scripted Porcelain commands) included
another shell library git-sh-i18n without specifying where it is,
relying on the $PATH. This has been fixed to be more explicit by
prefixing $(git --exec-path) output in front.
* ak/sh-setup-dot-source-i18n-fix:
git-sh-setup: be explicit where to dot-source git-sh-i18n from.
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"git daemon" used fixed-length buffers to turn URL to the
repository the client asked for into the server side directory
path, using snprintf() to avoid overflowing these buffers, but
allowed possibly truncated paths to the directory. This has been
tightened to reject such a request that causes overlong path to be
required to serve.
* jk/daemon-path-ok-check-truncation:
daemon: detect and reject too-long paths
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The code that we have used for the past 10+ years to cycle
4-element ring buffers turns out to be not quite portable in
theoretical world.
* rs/ring-buffer-wraparound:
hex: make wraparound of the index into ring-buffer explicit
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"git send-email" attempts to pick up valid e-mails from the
trailers, but people in real world write non-addresses there, like
"Cc: Stable <add@re.ss> # 4.8+", which broke the output depending
on the availability and vintage of Mail::Address perl module.
* mm/send-email-cc-cruft-after-address:
Git.pm: add comment pointing to t9000
t9000-addresses: update expected results after fix
parse_mailboxes: accept extra text after <...> address
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The command-line completion script (in contrib/) learned to
complete "git cmd ^mas<HT>" to complete the negative end of
reference to "git cmd ^master".
* cp/completion-negative-refs:
completion: support excluding refs
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Extract a small helper out of the function that reads the authors
script file "git am" internally uses.
This by itself is not useful until a second caller appears in the
future for "rebase -i" helper.
* jc/am-read-author-file:
am: refactor read_author_script()
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix for a small regression in a topic already in 'master'.
* jk/common-main:
common-main: stop munging argv[0] path
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l10n-2.11.0-rnd3.1: update ru and ca translations
* tag 'l10n-2.11.0-rnd3.1' of git://github.com/git-l10n/git-po:
l10n: ru.po: update Russian translation
l10n: ca.po: update translation
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Since 650c44925 (common-main: call git_extract_argv0_path(),
2016-07-01), the argv[0] that is seen in cmd_main() of
individual programs is always the basename of the
executable, as common-main strips off the full path. This
can produce confusing results for git-daemon, which wants to
re-exec itself.
For instance, if the program was originally run as
"/usr/lib/git/git-daemon", it will try just re-execing
"git-daemon", which will find the first instance in $PATH.
If git's exec-path has not been prepended to $PATH, we may
find the git-daemon from a different version (or no
git-daemon at all).
Normally this isn't a problem. Git commands are run as "git
daemon", the git wrapper puts the exec-path at the front of
$PATH, and argv[0] is already "daemon" anyway. But running
git-daemon via its full exec-path, while not really a
recommended method, did work prior to 650c44925. Let's make
it work again.
The real goal of 650c44925 was not to munge argv[0], but to
reliably set the argv0_path global. The only reason it
munges at all is that one caller, the git.c wrapper,
piggy-backed on that computation to find the command
basename. Instead, let's leave argv[0] untouched in
common-main, and have git.c do its own basename computation.
While we're at it, let's drop the return value from
git_extract_argv0_path(). It was only ever used in this one
callsite, and its dual purposes is what led to this
confusion in the first place.
Note that by changing the interface, the compiler can
confirm for us that there are no other callers storing the
return value. But the compiler can't tell us whether any of
the cmd_main() functions (besides git.c) were relying on the
basename munging. However, we can observe that prior to
650c44925, no other cmd_main() functions did that munging,
and no new cmd_main() functions have been introduced since
then. So we can't be regressing any of those cases.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* 'russian-l10n' of https://github.com/DJm00n/git-po-ru:
l10n: ru.po: update Russian translation
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Signed-off-by: Dimitriy Ryazantcev <dimitriy.ryazantcev@gmail.com>
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Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
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Signed-off-by: Marc Branchaud <marcnarc@xiplink.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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l10n-2.11.0-rnd3
* tag 'l10n-2.11.0-rnd3' of git://github.com/git-l10n/git-po:
l10n: de.po: translate 210 new messages
l10n: fix unmatched single quote in error message
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Translate 210 new messages came from git.pot update in fda7b09
(l10n: git.pot: v2.11.0 round 1 (209 new, 53 removed)) and c091ffb
(l10n: git.pot: v2.11.0 round 2 (1 new, 1 removed)).
Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
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Translate one message introduced by commit:
* 358718064b i18n: fix unmatched single quote in error message
Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git archive" and "git mailinfo" stopped reading from local
configuration file with a recent update.
* jc/setup-cleanup-fix:
archive: read local configuration
mailinfo: read local configuration
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Doc update.
* jt/trailer-with-cruft:
doc: mention user-configured trailers
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"git rebase -i" did not work well with core.commentchar
configuration variable for two reasons, both of which have been
fixed.
* js/rebase-i-commentchar-fix:
rebase -i: handle core.commentChar=auto
stripspace: respect repository config
rebase -i: highlight problems with core.commentchar
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Using a %(HEAD) placeholder in "for-each-ref --format=" option
caused the command to segfault when on an unborn branch.
* jc/for-each-ref-head-segfault-fix:
for-each-ref: do not segv with %(HEAD) on an unborn branch
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Brandon Williams
Johannes Sixt
Junio C Hamano
Jeff King
Jiang Xin
Dimitriy Ryazantcev
Alex Henrie
Marc Branchaud
Ralf Thielow