| Commit message (Collapse) | Author | Age |
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packet_flush() would die in case of a write error even though for some
callers an error would be acceptable. Add packet_flush_gently() which
writes a pkt-line flush packet like packet_flush() but does not die in
case of an error. The function is used in a subsequent patch.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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packet_write_fmt() would die in case of a write error even though for
some callers an error would be acceptable. Add packet_write_fmt_gently()
which writes a formatted pkt-line like packet_write_fmt() but does not
die in case of an error. The function is used in a subsequent patch.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Extracted set_packet_header() function converts an integer to a 4 byte
hex string. Make this function locally available so that other pkt-line
functions could use it.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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packet_write() should be called packet_write_fmt() because it is a
printf-like function that takes a format string as first parameter.
packet_write_fmt() should be used for text strings only. Arbitrary
binary data should use a new packet_write() function that is introduced
in a subsequent patch.
Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some processes might want to perform cleanup tasks before Git kills them
due to the 'clean_on_exit' flag. Let's give them an interface for doing
this. The feature is used in a subsequent patch.
Please note, that the cleanup callback is not executed if Git dies of a
signal. The reason is that only "async-signal-safe" functions would be
allowed to be call in that case. Since we cannot control what functions
the callback will use, we will not support the case. See 507d7804 for
more details.
Helped-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move check_pipe() to run_command and make it public. This is necessary
to call the function from pkt-line in a subsequent patch.
While at it, make async_exit() static to run_command.c as it is no
longer used from outside.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use `test_config` to set the config, check that files are empty with
`test_must_be_empty`, compare files with `test_cmp`, and remove spaces
after ">" and "<".
Please note that the "rot13" filter configured in "setup" keeps using
`git config` instead of `test_config` because subsequent tests might
depend on it.
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git filter driver commands with spaces (e.g. `filter.sh foo`) are hard
to read in error messages. Quote them to improve the readability.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git generally does not explicitly close file descriptors that were
open in the parent process when spawning a child process, but most
of the time the child does not want to access them. As Windows does
not allow removing or renaming a file that has a file descriptor
open, a slow-to-exit child can even break the parent process by
holding onto them. Use O_CLOEXEC flag to open files in various
codepaths.
* ls/git-open-cloexec:
read-cache: make sure file handles are not inherited by child processes
sha1_file: open window into packfiles with O_CLOEXEC
sha1_file: rename git_open_noatime() to git_open()
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This fixes "convert: add filter.<driver>.process option" (edcc8581) on
Windows.
Consider the case of a file that requires filtering and is present in
branch A but not in branch B. If A is the current HEAD and we checkout B
then the following happens:
1. ce_compare_data() opens the file
2. index_fd() detects that the file requires to run a clean filter and
calls index_stream_convert_blob()
4. index_stream_convert_blob() calls convert_to_git_filter_fd()
5. convert_to_git_filter_fd() calls apply_filter() which creates a
new long running filter process (in case it is the first file
of this kind to be filtered)
6. The new filter process inherits all file handles. This is the
default on Linux/OSX and is explicitly defined in the
`CreateProcessW` call in `mingw.c` on Windows.
7. ce_compare_data() closes the file
8. Git unlinks the file as it is not present in B
The unlink operation does not work on Windows because the filter process
has still an open handle to the file. On Linux/OSX the unlink operation
succeeds but the file descriptors still leak into the child process.
Fix this problem by opening files in read-cache with the O_CLOEXEC flag
to ensure that the file descriptor does not remain open in a newly
spawned process similar to 05d1ed6148 ("mingw: ensure temporary file
handles are not inherited by child processes", 2016-08-22).
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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All processes that the Git main process spawns inherit the open file
descriptors of the main process. These leaked file descriptors can
cause problems.
Use the O_CLOEXEC flag similar to 05d1ed61 to fix the leaked file
descriptors.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This function is meant to be used when reading from files in the
object store, and the original objective was to avoid smudging atime
of loose object files too often, hence its name. Because we'll be
extending its role in the next commit to also arrange the file
descriptors they return auto-closed in the child processes, rename
it to lose "noatime" part that is too specific.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test clean-up.
* pb/test-parse-options-expect:
t0040: convert all possible tests to use `test-parse-options --expect`
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Code cleanup.
* jc/cocci-xstrdup-or-null:
cocci: refactor common patterns to use xstrdup_or_null()
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Code cleanup.
* rs/cocci:
use strbuf_add_unique_abbrev() for adding short hashes, part 3
remove unnecessary NULL check before free(3)
coccicheck: make transformation for strbuf_addf(sb, "...") more precise
use strbuf_add_unique_abbrev() for adding short hashes, part 2
use strbuf_addstr() instead of strbuf_addf() with "%s", part 2
gitignore: ignore output files of coccicheck make target
use strbuf_addstr() for adding constant strings to a strbuf, part 2
add coccicheck make target
contrib/coccinelle: fix semantic patch for oid_to_hex_r()
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A bit more comments in a tricky code.
* jc/diff-unique-abbrev-comments:
diff_unique_abbrev(): document its assumption and limitation
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Small doc update.
* rs/pretty-format-color-doc-fix:
pretty: fix document link for color specification
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Message fix-up.
* js/reset-usage:
reset: fix usage
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Some AsciiDoc formatter mishandles a displayed illustration with
tabs in it. Adjust a few of them in merge-base documentation to
work around them.
* po/fix-doc-merge-base-illustration:
doc: fix the 'revert a faulty merge' ASCII art tab spacing
doc: fix merge-base ASCII art tab spacing
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The Travis CI configuration we ship ran the tests with --verbose
option but this risks non-TAP output that happens to be "ok" to be
misinterpreted as TAP signalling a test that passed. This resulted
in unnecessary failure. This has been corrected by introducing a
new mode to run our tests in the test harness to send the verbose
output separately to the log file.
* jk/tap-verbose-fix:
test-lib: bail out when "-v" used under "prove"
travis: use --verbose-log test option
test-lib: add --verbose-log option
test-lib: handle TEST_OUTPUT_DIRECTORY with spaces
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A hot-fix for a test added by a recent topic that went to both
'master' and 'maint' already.
* tg/add-chmod+x-fix:
t3700: fix broken test under !SANITY
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Recent git allows submodule.<name>.branch to use a special token
"." instead of the branch name; the documentation has been updated
to describe it.
* bw/submodule-branch-dot-doc:
submodules doc: update documentation for "." used for submodule branches
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Protect our code from over-eager compilers.
* jk/tighten-alloc:
inline xalloc_flex() into FLEXPTR_ALLOC_MEM
avoid pointer arithmetic involving NULL in FLEX_ALLOC_MEM
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When fetching from a remote that has many tags that are irrelevant
to branches we are following, we used to waste way too many cycles
when checking if the object pointed at by a tag (that we are not
going to fetch!) exists in our repository too carefully.
* jk/fetch-quick-tag-following:
fetch: use "quick" has_sha1_file for tag following
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"git rebase" immediately after "git clone" failed to find the fork
point from the upstream.
* jk/merge-base-fork-point-without-reflog:
merge-base: handle --fork-point without reflog
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In a worktree connected to a repository elsewhere, created via "git
worktree", "git checkout" attempts to protect users from confusion
by refusing to check out a branch that is already checked out in
another worktree. However, this also prevented checking out a
branch, which is designated as the primary branch of a bare
reopsitory, in a worktree that is connected to the bare
repository. The check has been corrected to allow it.
* dk/worktree-dup-checkout-with-bare-is-ok:
worktree: allow the main brach of a bare repository to be checked out
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The "submodule.<name>.path" stored in .gitmodules is never copied
to .git/config and such a key in .git/config has no meaning, but
the documentation described it and submodule.<name>.url next to
each other as if both belong to .git/config. This has been fixed.
* sb/submodule-config-doc-drop-path:
documentation: improve submodule.<name>.{url, path} description
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A stray symbolic link in $GIT_DIR/refs/ directory could make name
resolution loop forever, which has been corrected.
* jk/ref-symlink-loop:
files_read_raw_ref: prevent infinite retry loops in general
files_read_raw_ref: avoid infinite loop on broken symlinks
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Documentation for "git commit" was updated to clarify that "commit
-p <paths>" adds to the current contents of the index to come up
with what to commit.
* nd/commit-p-doc:
git-commit.txt: clarify --patch mode with pathspec
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"git clone" of a local repository can be done at the filesystem
level, but the codepath did not check errors while copying and
adjusting the file that lists alternate object stores.
* jk/clone-copy-alternates-fix:
clone: detect errors in normalize_path_copy
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http.emptyauth configuration is a way to allow an empty username to
pass when attempting to authenticate using mechanisms like
Kerberos. We took an unspecified (NULL) username and sent ":"
(i.e. no username, no password) to CURLOPT_USERPWD, but did not do
the same when the username is explicitly set to an empty string.
* dt/http-empty-auth:
http: http.emptyauth should allow empty (not just NULL) usernames
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The ./configure script generated from configure.ac was taught how
to detect support of SSL by libcurl better.
* dp/autoconf-curl-ssl:
./configure.ac: detect SSL in libcurl using curl-config
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When we started cURL to talk to imap server when a new enough
version of cURL library is available, we forgot to explicitly add
imap(s):// before the destination. To some folks, that didn't work
and the library tried to make HTTP(s) requests instead.
* ak/curl-imap-send-explicit-scheme:
imap-send: Tell cURL to use imap:// or imaps://
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When "git fetch" tries to find where the history of the repository
it runs in has diverged from what the other side has, it has a
mechanism to avoid digging too deep into irrelevant side branches.
This however did not work well over the "smart-http" transport due
to a design bug, which has been fixed.
* jt/fetch-pack-in-vain-count-with-stateless:
fetch-pack: do not reset in_vain on non-novel acks
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A follow-up to an already graduated topic.
* js/regexec-buf:
configure.ac: improve description of NO_REGEX test
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When "%C(auto)" appears at the very beginning of the pretty format
string, it did not need to issue the reset sequence, but it did.
This is a small optimization to already graduated topic.
* rs/c-auto-resets-attributes:
pretty: avoid adding reset for %C(auto) if output is empty
pretty: let %C(auto) reset all attributes
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Shorten description of auto-following in "git tag" by removing a
mention of historical remotes layout which is not relevant to the
main topic.
* yk/git-tag-remove-mention-of-old-layout-in-doc:
doc: remove reference to the traditional layout in git-tag.txt
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... but not quite yet. A few more topics to go.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* 'svn-cache' of git://bogomips.org/git-svn:
git-svn: do not reuse caches memoized for a different architecture
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Reusing cached data speeds up git-svn by quite a fair bit. However, if
the YAML module is unavailable, the caches are written to disk in an
architecture-dependent manner. That leads to problems when upgrading,
say, from 32-bit to 64-bit Git for Windows.
Let's just try to read those caches back if we detect the absence of the
YAML module and the presence of the file, and delete the file if it
could not be read back correctly.
Note that the only way to catch the error when the memoized cache could
not be read back is to put the call inside an `eval { ... }` block
because it would die otherwise; the `eval` block should also return `1`
in case of success explicitly since the function reading back the cached
data does not return an appropriate value to test for success.
This fixes https://github.com/git-for-windows/git/issues/233.
[ew: import "retrieve" explictly, check unlink result]
Signed-off-by: Gavin Lambert <github@mirality.co.nz>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Eric Wong <e@80x24.org>
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* 'svn-wt' of git://bogomips.org/git-svn:
git-svn: "git worktree" awareness
git-svn: reduce scope of input record separator change
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git-svn internals were previously not aware of repository
layout differences for users of the "git worktree" command.
Introduce this awareness by using "git rev-parse --git-path"
instead of relying on outdated uses of GIT_DIR and friends.
Thanks-to: Duy Nguyen <pclouds@gmail.com>
Reported-by: Mathieu Arnold <mat@freebsd.org>
Signed-off-by: Eric Wong <e@80x24.org>
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Reducing the scope of where we change the record separator ($/)
avoids bugs in calls which rely on the input record separator
further down, such as the 'chomp' usage in command_oneline.
This is necessary for a future change to git-svn, but exists in
Git.pm since it seems useful for gitweb and our other Perl
scripts, too.
Signed-off-by: Eric Wong <e@80x24.org>
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When new paths were added by "git add -N" to the index, it was
enough to circumvent the check by "git commit" to refrain from
making an empty commit without "--allow-empty". The same logic
prevented "git status" to show such a path as "new file" in the
"Changes not staged for commit" section.
* nd/ita-empty-commit:
commit: don't be fooled by ita entries when creating initial commit
commit: fix empty commit creation when there's no changes but ita entries
diff: add --ita-[in]visible-in-index
diff-lib: allow ita entries treated as "not yet exist in index"
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ita entries are dropped at tree generation phase. If the entire index
consists of just ita entries, the result would be a a commit with no
entries, which should be caught unless --allow-empty is specified. The
test "!!active_nr" is not sufficient to catch this.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If i-t-a entries are present and there is no change between the index
and HEAD i-t-a entries, index_differs_from() still returns "dirty, new
entries" (aka, the resulting commit is not empty), but cache-tree will
skip i-t-a entries and produce the exact same tree of current
commit.
index_differs_from() is supposed to catch this so we can abort
git-commit (unless --no-empty is specified). Update it to optionally
ignore i-t-a entries when doing a diff between the index and HEAD so
that it would return "no change" in this case and abort commit.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The option --ita-invisible-in-index exposes the "ita_invisible_in_index"
diff flag to outside to allow easier experimentation with this new mode.
The "plan" is to make --ita-invisible-in-index default to keep consistent
behavior with 'status' and 'commit', but a bunch other commands like
'apply', 'merge', 'reset'.... need to be taken into consideration as well.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When comparing the index and the working tree to show which paths are
new, and comparing the tree recorded in the HEAD and the index to see if
committing the contents recorded in the index would result in an empty
commit, we would want the former comparison to say "these are new paths"
and the latter to say "there is no change" for paths that are marked as
intent-to-add.
We made a similar attempt at d95d728a ("diff-lib.c: adjust position of
i-t-a entries in diff", 2015-03-16), which redefined the semantics of
these two comparison modes globally, which was a disaster and had to be
reverted at 78cc1a54 ("Revert "diff-lib.c: adjust position of i-t-a
entries in diff"", 2015-06-23).
To make sure we do not repeat the same mistake, introduce a new internal
diffopt option so that this different semantics can be asked for only by
callers that ask it, while making sure other unaudited callers will get
the same comparison result.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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