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Passing "-m" in "git log --first-parent -m" is not needed as
--first-parent implies --diff-merges=first-parent anyway. OTOH, it
will stop being harmless once we let "-m" imply "-p".
While we are at it, fix corresponding test description in t3903-stash
to match what it actually tests.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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rev-list doesn't utilize -m. It happens to eat it silently, so this
bug went unnoticed.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move specific handling of "-m" for diff-index to diff-index.c, so
diff-merges is left to handle only diff for merges options.
Being a better design by itself, this is especially essential in
preparation for letting -m imply -p, as "diff-index -m" obviously
should not imply -p, as it's entirely unrelated.
To handle this, in addition to moving specific diff-index "-m" code
out of diff-merges, we introduce new
diff_merges_suppress_options_parsing()
and call it before generic options processing in cmd_diff_index().
This new diff_merges_suppress_options_parsing() could then be reused
and called before invocations of setup_revisions() for other commands
that don't need --diff-merges options, but that's outside of the scope
of these patch series.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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-m in "git diff-index" means "match missing", that differs
from its meaning in "git diff". Let's check it in diff-index.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We want to ensure we don't affect plumbing commands with our changes
of "-m" semantics, so add corresponding test.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is to ensure we won't break different diff formats when we start
to imply "-p" by "-m".
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is to ensure we won't break different diff formats when we start
to imply "-p" by "-m".
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is to notice current behavior that we are going to change when we
start to imply "-p" by "-m".
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Document changes in -m and --diff-merges=m semantics, as well as new
--diff-merges=on option.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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New log.diffMerges configuration variable sets the format that
--diff-merges=on will be using. The default is "separate".
t4013: add the following tests for log.diffMerges config:
* Test that wrong values are denied.
* Test that the value of log.diffMerges properly affects both
--diff-merges=on and -m.
t9902: fix completion tests for log.d* to match log.diffMerges.
Added documentation for log.diffMerges.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Let -m option (and --diff-merges=m) enable the default format instead
of "separate", to be able to tune it with log.diffMerges option.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Split set_diff_merges() into separate parsing and execution functions,
the former to be reused for parsing of configuration values later in
the patch series.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce the notion of default diff format for merges, and the option
"on" to select it. The default format is "separate" and can't yet
be changed, so effectively "on" is just a synonym for "separate"
for now. Add corresponding test to t4013.
This is in preparation for introducing log.diffMerges configuration
option that will let --diff-merges=on to be configured to any
supported format.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We auto-generate the list of supported configuration variables from
'Documentation/config/*.txt', and that list used to be created by the
'generate-cmdlist.sh' helper script and stored in the 'command-list.h'
header. Commit 709df95b78 (help: move list_config_help to
builtin/help, 2020-04-16) extracted this into a dedicated
'generate-configlist.sh' script and 'config-list.h' header, and added
a new target in the 'Makefile' as well, but while doing so it forgot
to extract the dependencies of the latter. Consequently, since then
'config-list.h' is not re-generated when 'Documentation/config/*.txt'
is updated, while 'command-list.h' is re-generated unnecessarily:
$ touch Documentation/config/log.txt
$ make -j4
GEN command-list.h
CC help.o
AR libgit.a
Fix this and list all config-related documentation files as
dependencies of 'config-list.h' and remove them from the dependencies
of 'command-list.h'.
$ touch Documentation/config/log.txt
$ make
GEN config-list.h
CC builtin/help.o
LINK git
Signed-off-by: SZEDER Gábor <szeder.dev@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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Fix a corner case bug in "git mv" on case insensitive systems,
which was introduced in 2.29 timeframe.
* tb/git-mv-icase-fix:
git mv foo FOO ; git mv foo bar gave an assert
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Code cleanup.
* rs/xcalloc-takes-nelem-first:
fix xcalloc() argument order
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Update insn in Makefile comments to run fuzz-all target.
* ah/make-fuzz-all-doc-update:
Makefile: update 'make fuzz-all' docs to reflect modern clang
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Unused code removal.
* jk/slimmed-down:
vcs-svn: remove header files as well
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CALLOC_ARRAY() macro replaces many uses of xcalloc().
* rs/calloc-array:
cocci: allow xcalloc(1, size)
use CALLOC_ARRAY
git-compat-util.h: drop trailing semicolon from macro definition
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Fix macros that can silently inject unintended null-statements.
* rs/avoid-null-statement-after-macro-call:
mem-pool: drop trailing semicolon from macro definition
block-sha1: drop trailing semicolon from macro definition
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Docfix.
* km/config-doc-typofix:
config.txt: add missing period
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Test fix.
* jt/clone-unborn-head:
t5606: run clone branch name test with protocol v2
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The data structure used by fsmonitor interface was not properly
duplicated during an in-core merge, leading to use-after-free etc.
* js/fsmonitor-unpack-fix:
fsmonitor: do not forget to release the token in `discard_index()`
fsmonitor: fix memory corruption in some corner cases
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"git bisect" reimplemented more in C during 2.30 timeframe did not
take an annotated tag as a good/bad endpoint well. This regression
has been corrected.
* jk/bisect-peel-tag-fix:
bisect: peel annotated tags to commits
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The fsmonitor interface read from its input without making sure
there is something to read from. This bug is new in 2.31
timeframe.
* jh/fsmonitor-prework:
fsmonitor: avoid global-buffer-overflow READ when checking trivial response
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Code clean-up.
* jc/calloc-fix:
xcalloc: use CALLOC_ARRAY() when applicable
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In 56c6910028a (fsmonitor: change last update timestamp on the
index_state to opaque token, 2020-01-07), we forgot to adjust
`discard_index()` to release the "last-update" token: it is no longer a
64-bit number, but a free-form string that has been allocated.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 56c6910028a (fsmonitor: change last update timestamp on the
index_state to opaque token, 2020-01-07), we forgot to adjust the part
of `unpack_trees()` that copies the FSMonitor "last-update" information
that we copy from the source index to the result index since 679f2f9fdd2
(unpack-trees: skip stat on fsmonitor-valid files, 2019-11-20).
Since the "last-update" information is no longer a 64-bit number, but a
free-form string that has been allocated, we need to duplicate it rather
than just copying it.
This is important because there _are_ cases when `unpack_trees()` will
perform a oneway merge that implicitly calls `refresh_fsmonitor()`
(which will allocate that "last-update" token). This happens _after_
that token was copied into the result index. However, we _then_ call
`check_updates()` on that index, which will _also_ call
`refresh_fsmonitor()`, accessing the "last-update" string, which by now
would be released already.
In the instance that lead to this patch, this caused a segmentation
fault during a lengthy, complicated rebase involving the todo command
`reset` that (crucially) had to updated many files. Unfortunately, it
seems very hard to trigger that crash, therefore this patch is not
accompanied by a regression test.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Kyle Meyer <kyle@kyleam.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch fixes a bug where git-bisect doesn't handle receiving
annotated tags as "git bisect good <tag>", etc. It's a regression in
27257bc466 (bisect--helper: reimplement `bisect_state` & `bisect_head`
shell functions in C, 2020-10-15).
The original shell code called:
sha=$(git rev-parse --verify "$rev^{commit}") ||
die "$(eval_gettext "Bad rev input: \$rev")"
which will peel the input to a commit (or complain if that's not
possible). But the C code just calls get_oid(), which will yield the oid
of the tag.
The fix is to peel to a commit. The error message here is a little
non-idiomatic for Git (since it starts with a capital). I've mostly left
it, as it matches the other converted messages (like the "Bad rev input"
we print when get_oid() fails), though I did add an indication that it
was the peeling that was the problem. It might be worth taking a pass
through this converted code to modernize some of the error messages.
Note also that the test does a bare "grep" (not i18ngrep) on the
expected "X is the first bad commit" output message. This matches the
rest of the test script.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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4f37d45706 ("clone: respect remote unborn HEAD", 2021-02-05) introduces
a new feature (if the remote has an unborn HEAD, e.g. when the remote
repository is empty, use it as the name of the branch) that only works
in protocol v2, but did not ensure that one of its tests always uses
protocol v2, and thus that test would fail if
GIT_TEST_PROTOCOL_VERSION=0 (or 1) is used. Therefore, add "-c
protocol.version=2" to the appropriate test.
(The rest of the tests from that commit have "-c protocol.version=2"
already added.)
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Allow BLOCK_GROWTH_SIZE to be used like an integer literal by removing
the trailing semicolon from its definition. Also wrap the expression in
parentheses, to allow it to be used with operators without leading to
unexpected results. It doesn't matter for the current use site, but
make it follow standard macro rules anyway to avoid future surprises.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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23119ffb4e (block-sha1: put expanded macro parameters in parentheses,
2012-07-22) added a trailing semicolon to the definition of SHA_MIX
without explanation. It doesn't matter with the current code, but make
sure to avoid potential surprises by removing it again.
This allows the macro to be used almost like a function: Users can
combine it with operators of their choice, but still must not pass an
expression with side-effects as a parameter, as it would be evaluated
multiple times.
Signed-off-by: René Scharfe <l.s.r@web.de>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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query_result can be be an empty strbuf (STRBUF_INIT) - in that case
trying to read 3 bytes triggers a buffer overflow read (as
query_result.buf = '\0').
Therefore we need to check query_result's length before trying to read 3
bytes.
This overflow was introduced in:
940b94f35c (fsmonitor: log invocation of FSMonitor hook to trace2, 2021-02-03)
It was found when running the test-suite against ASAN, and can be most
easily reproduced with the following command:
make GIT_TEST_OPTS="-v" DEFAULT_TEST_TARGET="t7519-status-fsmonitor.sh" \
SANITIZE=address DEVELOPER=1 test
==2235==ERROR: AddressSanitizer: global-buffer-overflow on address 0x0000019e6e5e at pc 0x00000043745c bp 0x7fffd382c520 sp 0x7fffd382bcc8
READ of size 3 at 0x0000019e6e5e thread T0
#0 0x43745b in MemcmpInterceptorCommon(void*, int (*)(void const*, void const*, unsigned long), void const*, void const*, unsigned long) /home/abuild/rpmbuild/BUILD/llvm-11.0.0.src/build/../projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:842:7
#1 0x43786d in bcmp /home/abuild/rpmbuild/BUILD/llvm-11.0.0.src/build/../projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:887:10
#2 0x80b146 in fsmonitor_is_trivial_response /home/ahunt/oss-fuzz/git/fsmonitor.c:192:10
#3 0x80b146 in query_fsmonitor /home/ahunt/oss-fuzz/git/fsmonitor.c:175:7
#4 0x80a749 in refresh_fsmonitor /home/ahunt/oss-fuzz/git/fsmonitor.c:267:21
#5 0x80bad1 in tweak_fsmonitor /home/ahunt/oss-fuzz/git/fsmonitor.c:429:4
#6 0x90f040 in read_index_from /home/ahunt/oss-fuzz/git/read-cache.c:2321:3
#7 0x8e5d08 in repo_read_index_preload /home/ahunt/oss-fuzz/git/preload-index.c:164:15
#8 0x52dd45 in prepare_index /home/ahunt/oss-fuzz/git/builtin/commit.c:363:6
#9 0x52a188 in cmd_commit /home/ahunt/oss-fuzz/git/builtin/commit.c:1588:15
#10 0x4ce77e in run_builtin /home/ahunt/oss-fuzz/git/git.c:453:11
#11 0x4ccb18 in handle_builtin /home/ahunt/oss-fuzz/git/git.c:704:3
#12 0x4cb01c in run_argv /home/ahunt/oss-fuzz/git/git.c:771:4
#13 0x4cb01c in cmd_main /home/ahunt/oss-fuzz/git/git.c:902:19
#14 0x6aca8d in main /home/ahunt/oss-fuzz/git/common-main.c:52:11
#15 0x7fb027bf5349 in __libc_start_main (/lib64/libc.so.6+0x24349)
#16 0x4206b9 in _start /home/abuild/rpmbuild/BUILD/glibc-2.26/csu/../sysdeps/x86_64/start.S:120
0x0000019e6e5e is located 2 bytes to the left of global variable 'strbuf_slopbuf' defined in 'strbuf.c:51:6' (0x19e6e60) of size 1
'strbuf_slopbuf' is ascii string ''
0x0000019e6e5e is located 126 bytes to the right of global variable 'signals' defined in 'sigchain.c:11:31' (0x19e6be0) of size 512
SUMMARY: AddressSanitizer: global-buffer-overflow /home/abuild/rpmbuild/BUILD/llvm-11.0.0.src/build/../projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:842:7 in MemcmpInterceptorCommon(void*, int (*)(void const*, void const*, unsigned long), void const*, void const*, unsigned long)
Shadow bytes around the buggy address:
0x000080334d70: f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 00 00 00 00
0x000080334d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x000080334d90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x000080334da0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x000080334db0: 00 00 00 00 00 00 00 00 00 00 00 00 f9 f9 f9 f9
=>0x000080334dc0: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9[f9]01 f9 f9 f9
0x000080334dd0: f9 f9 f9 f9 03 f9 f9 f9 f9 f9 f9 f9 02 f9 f9 f9
0x000080334de0: f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 04 f9 f9 f9
0x000080334df0: f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00
0x000080334e00: f9 f9 f9 f9 00 00 00 00 f9 f9 f9 f9 01 f9 f9 f9
0x000080334e10: f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 00 f9 f9 f9
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
Signed-off-by: Andrzej Hunt <ajrhunt@google.com>
Acked-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Allocating a pre-cleared single element is quite common and it is
misleading to use CALLOC_ARRAY(); these allocations that would be
affected without this change are not allocating an array.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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These are for codebase before Git 2.31
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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Disable the recent mergetool's hideresolved feature by default for
backward compatibility and safety.
* jn/mergetool-hideresolved-is-optional:
doc: describe mergetool configuration in git-mergetool(1)
mergetool: do not enable hideResolved by default
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Fix for a topic in 'master'.
* tb/pack-revindex-on-disk:
pack-revindex.c: don't close unopened file descriptors
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l10n for Git 2.31.0 round 2
* tag 'l10n-2.31.0-rnd2' of git://github.com/git-l10n/git-po:
l10n: zh_CN: for git v2.31.0 l10n round 1 and 2
l10n: de.po: Update German translation for Git v2.31.0
l10n: pt_PT: add Portuguese translations part 1
l10n: vi.po(5104t): for git v2.31.0 l10n round 2
l10n: es: 2.31.0 round 2
l10n: Add translation team info
l10n: start Indonesian translation
l10n: zh_TW.po: v2.31.0 round 2 (15 untranslated)
l10n: bg.po: Updated Bulgarian translation (5104t)
l10n: fr: v2.31 rnd 2
l10n: tr: v2.31.0-rc1
l10n: sv.po: Update Swedish translation (5104t0f0u)
l10n: git.pot: v2.31.0 round 2 (9 new, 8 removed)
l10n: tr: v2.31.0-rc0
l10n: sv.po: Update Swedish translation (5103t0f0u)
l10n: pl.po: Update translation
l10n: fr: v2.31.0 rnd 1
l10n: git.pot: v2.31.0 round 1 (155 new, 89 removed)
l10n: Update Catalan translation
l10n: ru.po: update Russian translation
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fc47391e24 (drop vcs-svn experiment, 2020-08-13) removed most vcs-svn
files. Drop the remaining header files as well, as they are no longer
used.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Translate 161 new messages (5104t0f0u) for git 2.31.0.
Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
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* 'master' of github.com:vnwildman/git:
l10n: vi.po(5104t): for git v2.31.0 l10n round 2
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* 'l10n/zh_TW/210301' of github.com:l10n-tw/git-po:
l10n: zh_TW.po: v2.31.0 round 2 (15 untranslated)
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* 'po-id' of github.com:bagasme/git-po:
l10n: Add translation team info
l10n: start Indonesian translation
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* 'master' of github.com:Softcatala/git-po:
l10n: Update Catalan translation
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* 'russian-l10n' of github.com:DJm00n/git-po-ru:
l10n: ru.po: update Russian translation
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* 'pt-PT' of github.com:git-l10n-pt-PT/git-po:
l10n: pt_PT: add Portuguese translations part 1
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Add and apply a semantic patch for converting code that open-codes
CALLOC_ARRAY to use it instead. It shortens the code and infers the
element size automatically.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Sergey Organov
SZEDER Gábor
Junio C Hamano
Johannes Schindelin
Kyle Meyer
Jeff King
Jonathan Tan
René Scharfe
Andrzej Hunt
Jiang Xin