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The build procedure did not bother fixing perl and python scripts
when NO_PERL and NO_PYTHON build-time configuration changed.
* jk/rebuild-perl-scripts-with-no-perl-seting-change:
Makefile: have python scripts depend on NO_PYTHON setting
Makefile: simplify by using SCRIPT_{PERL,SH}_GEN macros
Makefile: have perl scripts depend on NO_PERL setting
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Like the perl scripts, python scripts need a dependency to ensure they
are rebuilt when switching between the "dummy" versions that run
without Python and the real thing.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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SCRIPT_PERL_GEN is defined as $(patsubst %.perl,%,$(SCRIPT_PERL))
for use in targets like build-perl-script used by makefiles in
subdirectories that override SCRIPT_PERL (see v1.8.2-rc0~17^2,
"git-remote-mediawiki: use toplevel's Makefile", 2013-02-08).
The same expression is used in the rules that actually write the
generated perl scripts, and since these rules were introduced before
SCRIPT_PERL_GEN, they use the longhand instead of that macro. Use the
macro to make reading easier.
Likewise for SCRIPT_SH_GEN. The Python rules already got the same
simplification in v1.8.4-rc0~162^2~8 (2013-05-24).
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If NO_PERL is not set, our perl scripts are built as
usual. If it is set, then we build "dummy" versions that
tell you git was built without perl support and exit
gracefully.
However, if you switch to NO_PERL in a directory with
existing build artifacts, we do not notice that the files
need rebuilt. We see only that they are newer than the
"unimplemented.sh" wrapper and assume they are done. So
doing:
make
make NO_PERL=Nope
would result in a git-add--interactive script that uses perl
(and running the test suite would make use of it).
Instead, we should trigger a rebuild of the perl scripts
anytime NO_PERL changes.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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z/OS port
* dm/port2zos:
compat/bswap.h: detect endianness from XL C compiler macros
Makefile: reorder linker flags in the git executable rule
git-compat-util.h: support variadic macros with the XL C compiler
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The XL C compiler can fail due to mixing library path and object
file arguments, for example when linking git while building with
"gmake LDFLAGS=-L$prefix/lib".
Move the ALL_LDFLAGS variable expansion in the git executable rule
to be consistent with all the other linking rules, namely to have
LDFLAGS such as -L$where before the object files *.o being linked
together.
Signed-off-by: David Michael <fedora.dm0@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A new filter to programatically edit the tail end of the commit log
messages.
* cc/interpret-trailers:
Documentation: add documentation for 'git interpret-trailers'
trailer: add tests for commands in config file
trailer: execute command from 'trailer.<name>.command'
trailer: add tests for "git interpret-trailers"
trailer: add interpret-trailers command
trailer: put all the processing together and print
trailer: parse trailers from file or stdin
trailer: process command line trailer arguments
trailer: read and process config information
trailer: process trailers from input message and arguments
trailer: add data structures and basic functions
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* rs/sha1-array-test:
sha1-lookup: handle duplicates in sha1_pos()
sha1-array: add test-sha1-array and basic tests
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This patch adds the "git interpret-trailers" command.
This command uses the previously added process_trailers()
function in trailer.c.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We will use a doubly linked list to store all information
about trailers and their configuration.
This way we can easily remove or add trailers to or from
trailer lists while traversing the lists in either direction.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Helped-by: Jeff King <peff@peff.net>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ir/makefile-typofix:
Makefile: fix some typos in the preamble
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* tb/crlf-tests:
MinGW: update tests to handle a native eol of crlf
Makefile: propagate NATIVE_CRLF to C
t0027: Tests for core.eol=native, eol=lf, eol=crlf
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Signed-off-by: Ian Liu Rodrigues <ian.liu88@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Admit that keeping LIB_H up-to-date, only for those that do not use
the automatically generated dependencies, is a losing battle, and
make it conservative by making everything depend on anything.
* jk/make-simplify-dependencies:
Makefile: drop CHECK_HEADER_DEPENDENCIES code
Makefile: use `find` to determine static header dependencies
i18n: treat "make pot" as an explicitly-invoked target
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Add in-core caching layer to let us avoid reading the same
configuration files number of times.
* ta/config-set:
test-config: add tests for the config_set API
add `config_set` API for caching config-like files
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Commit 95f31e9a (convert: The native line-ending is \r\n on MinGW,
2010-09-04) correctly points out that the NATIVE_CRLF setting is
incorrectly set on Mingw git. However, the Makefile variable is not
propagated to the C preprocessor and results in no change. This patch
pushes the definition to the C code and adds a test to validate that
when core.eol as native is crlf, we actually normalize text files to
this line ending convention when core.autocrlf is false.
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This code was useful when we kept a static list of header
files, and it was easy to forget to update it. Since the last
commit, we generate the list dynamically.
Technically this could still be used to find a dependency
that our dynamic check misses (e.g., a header file without a
".h" extension). But that is reasonably unlikely to be
added, and even less likely to be noticed by this tool
(because it has to be run manually)., It is not worth
carrying around the cruft in the Makefile.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix profile-feedback build broken in 2.1 for tarball releases.
* jk/fix-profile-feedback-build:
Makefile: make perf tests optional for profile build
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Most modern platforms will use automatically computed header
dependencies to figure out when a C file needs rebuilt due
to a header changing. With old compilers, however, we
fallback to a static list of header files. If any of them
changes, we recompile everything. This is overly
conservative, but the best we can do on older platforms.
It is unfortunately easy for our static header list to grow
stale, as none of the regular developers make use of it.
Instead of trying to keep it up to date, let's invoke "find"
to generate the list dynamically.
Since we do not use the value $(LIB_H) unless either
COMPUTE_HEADER_DEPENDENCIES is turned on or the user is
building "po/git.pot" (where it comes in via $(LOCALIZED_C),
make is smart enough to not even run this "find" in most
cases. However, we do need to stop using the "immediate"
variable assignment ":=" for $(LOCALIZED_C). That's OK,
because it was not otherwise useful here.
Signed-off-by: Jeff King <peff@peff.net>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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po/git.pot is normally used as-is and not regenerated by people
building git, so it is okay if an explicit "make po/git.pot" always
automatically regenerates it. Depend on the magic FORCE target
instead of explicitly keeping track of dependencies.
This simplifies the makefile, in particular preparing for a moment
when $(LIB_H), which is part of $(LOCALIZED_C), can be computed on the
fly. It also fixes a slight breakage in which changes to perl and shell
scripts did not trigger a rebuild of po/git.pot.
We still need a dependency on GENERATED_H, to force those files to be
built when regenerating git.pot.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The perf tests need a repository to operate on; if none is
defined, we fall back to the repository containing our build
directory. That fails, though, for an exported tarball of
git.git, which has no repository.
Since 5d7fd6d we run the perf tests as part of "make
profile". Therefore "make profile" fails out of the box on
released tarballs of v2.1.0.
We can fix this by making the perf tests optional; if they
are skipped, we still run the regular test suite, which
should give a lot of profile data (and is what we used to do
prior to 5d7fd6d anyway).
Signed-off-by: Jeff King <peff@peff.net>
Acked-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Expose the `config_set` C API as a set of simple commands in order to
facilitate testing. Add tests for the `config_set` API as well as for
`git_config_get_*()` family for the usual config files.
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* kb/perf-trace:
api-trace.txt: add trace API documentation
progress: simplify performance measurement by using getnanotime()
wt-status: simplify performance measurement by using getnanotime()
git: add performance tracing for git's main() function to debug scripts
trace: add trace_performance facility to debug performance issues
trace: add high resolution timer function to debug performance issues
trace: add 'file:line' to all trace output
trace: move code around, in preparation to file:line output
trace: add current timestamp to all trace output
trace: disable additional trace output for unit tests
trace: add infrastructure to augment trace output with additional info
sha1_file: change GIT_TRACE_PACK_ACCESS logging to use trace API
Documentation/git.txt: improve documentation of 'GIT_TRACE*' variables
trace: improve trace performance
trace: remove redundant printf format attribute
trace: consistently name the format parameter
trace: move trace declarations from cache.h to new trace.h
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* ak/profile-feedback-build:
Fix profile feedback with -jN and add profile-fast
Run the perf test suite for profile feedback too
Don't define away __attribute__ on gcc
Use BASIC_FLAGS for profile feedback
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An experiment to use two files (the base file and incremental
changes relative to it) to represent the index to reduce I/O cost
of rewriting a large index when only small part of the working tree
changes.
* nd/split-index: (32 commits)
t1700: new tests for split-index mode
t2104: make sure split index mode is off for the version test
read-cache: force split index mode with GIT_TEST_SPLIT_INDEX
read-tree: note about dropping split-index mode or index version
read-tree: force split-index mode off on --index-output
rev-parse: add --shared-index-path to get shared index path
update-index --split-index: do not split if $GIT_DIR is read only
update-index: new options to enable/disable split index mode
split-index: strip pathname of on-disk replaced entries
split-index: do not invalidate cache-tree at read time
split-index: the reading part
split-index: the writing part
read-cache: mark updated entries for split index
read-cache: save deleted entries in split index
read-cache: mark new entries for split index
read-cache: split-index mode
read-cache: save index SHA-1 after reading
entry.c: update cache_changed if refresh_cache is set in checkout_entry()
cache-tree: mark istate->cache_changed on prime_cache_tree()
cache-tree: mark istate->cache_changed on cache tree update
...
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Add a getnanotime() function that returns nanoseconds since 01/01/1970 as
unsigned 64-bit integer (i.e. overflows in july 2554). This is easier to
work with than e.g. struct timeval or struct timespec. Basing the timer on
the epoch allows using the results with other time-related APIs.
To simplify adaption to different platforms, split the implementation into
a common getnanotime() and a platform-specific highres_nanos() function.
The common getnanotime() function handles errors, falling back to
gettimeofday() if highres_nanos() isn't implemented or doesn't work.
getnanotime() is also responsible for normalizing to the epoch. The offset
to the system clock is calculated only once on initialization, i.e.
manually setting the system clock has no impact on the timer (except if
the fallback gettimeofday() is in use). Git processes are typically short
lived, so we don't need to handle clock drift.
The highres_nanos() function returns monotonically increasing nanoseconds
relative to some arbitrary point in time (e.g. system boot), or 0 on
failure. Providing platform-specific implementations should be relatively
easy, e.g. adapting to clock_gettime() as defined by the POSIX realtime
extensions is seven lines of code.
This version includes highres_nanos() implementations for:
* Linux: using clock_gettime(CLOCK_MONOTONIC)
* Windows: using QueryPerformanceCounter()
Todo:
* enable clock_gettime() on more platforms
* add Mac OSX version, e.g. using mach_absolute_time + mach_timebase_info
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Profile feedback always failed for me with -jN. The problem
was that there was no implicit ordering between the profile generate
stage and the profile use stage. So some objects in the later stage
would be linked with profile generate objects, and fail due
to the missing -lgcov.
This adds a new profile target that implicitely enforces the
correct ordering by using submakes. Plus a profile-install target
to also install. This is also nicer to type that PROFILE=...
Plus I always run the performance test suite now for the full
profile run.
In addition I also added a profile-fast / profile-fast-install
target the only runs the performance test suite instead of the
whole test suite. This significantly speeds up the profile build,
which was totally dominated by test suite run time. However
it may have less coverage of course.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use BASIC_CFLAGS instead of CFLAGS to set up the profile feedback
option in the Makefile.
This allows still overriding CFLAGS on the make command line
without disabling profile feedback.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit signatures can be verified using "git show -s --show-signature"
or the "%G?" pretty format and parsing the output, which is well suited
for user inspection, but not for scripting.
Provide a command "verify-commit" which is analogous to "verify-tag": It
returns 0 for good signatures and non-zero otherwise, has the gpg output
on stderr and (optionally) the commit object on stdout, sans the
signature, just like "verify-tag" does.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This split-index mode is designed to keep write cost proportional to
the number of changes the user has made, not the size of the work
tree. (Read cost is another matter, to be dealt separately.)
This mode stores index info in a pair of $GIT_DIR/index and
$GIT_DIR/sharedindex.<SHA-1>. sharedindex is large and unchanged over
time while "index" is smaller and updated often. Format details are in
index-format.txt, although not everything is implemented in this
patch.
Shared indexes are not automatically removed, because it's unclear if
the shared index is needed by any (even temporary) indexes by just
looking at it. After a while you'll collect stale shared indexes. The
good news is one shared index is useable for long, until
$GIT_DIR/index becomes too big and sluggish that the new shared index
must be created.
The safest way to clean shared indexes is to turn off split index
mode, so shared files are all garbage, delete them all, then turn on
split index mode again.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update the logic to compute the display width needed for utf8
strings and allow us to more easily maintain the tables used in
that logic.
We may want to let the users choose if codepoints with ambiguous
widths are treated as a double or single width in a follow-up patch.
* tb/unicode-6.3-zero-width:
utf8: make it easier to auto-update git_wcwidth()
utf8.c: use a table for double_width
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Enable threaded index-pack on platforms without thread-unsafe
pread() emulation.
* nd/index-pack-one-fd-per-thread:
index-pack: work around thread-unsafe pread()
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Instead of running N pair-wise diff-trees when inspecting a
N-parent merge, find the set of paths that were touched by walking
N+1 trees in parallel. These set of paths can then be turned into
N pair-wise diff-tree results to be processed through rename
detections and such. And N=2 case nicely degenerates to the usual
2-way diff-tree, which is very nice.
* ks/tree-diff-nway:
mingw: activate alloca
combine-diff: speed it up, by using multiparent diff tree-walker directly
tree-diff: rework diff_tree() to generate diffs for multiparent cases as well
Portable alloca for Git
tree-diff: reuse base str(buf) memory on sub-tree recursion
tree-diff: no need to call "full" diff_tree_sha1 from show_path()
tree-diff: rework diff_tree interface to be sha1 based
tree-diff: diff_tree() should now be static
tree-diff: remove special-case diff-emitting code for empty-tree cases
tree-diff: simplify tree_entry_pathcmp
tree-diff: show_path prototype is not needed anymore
tree-diff: rename compare_tree_entry -> tree_entry_pathcmp
tree-diff: move all action-taking code out of compare_tree_entry()
tree-diff: don't assume compare_tree_entry() returns -1,0,1
tree-diff: consolidate code for emitting diffs and recursion in one place
tree-diff: show_tree() is not needed
tree-diff: no need to pass match to skip_uninteresting()
tree-diff: no need to manually verify that there is no mode change for a path
combine-diff: move changed-paths scanning logic into its own function
combine-diff: move show_log_first logic/action out of paths scanning
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The function git_wcwidth() returns for a given unicode code point the
width on the display:
-1 for control characters,
0 for combining or other non-visible code points
1 for e.g. ASCII
2 for double-width code points.
This table had been originally been extracted for one Unicode
version, probably 3.2.
We now use two tables these days, one for zero-width and another for
double-width. Make it easier to update these tables to a later
version of Unicode by factoring out the table from utf8.c into
unicode_width.h and add the script update_unicode.sh to update the
table based on the latest Unicode specification files.
Thanks to Peter Krefting <peter@softwolves.pp.se> and Kevin Bracey
<kevin@bracey.fi> for helping with their Unicode knowledge.
Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Postpone this a bit during the feature freeze and retry the effort
in the next cycle.
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It turns out that some platforms do ship without curl-config even
though they build with the hardcoded default -lcurl and rely on it
to work.
* db/make-with-curl:
Makefile: default to -lcurl when no CURL_CONFIG or CURLDIR
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The original implementation of CURL_CONFIG support did not match the
original behavior of using -lcurl when CURLDIR was not set. This broke
implementations that were lacking curl-config but did have libcurl
installed along system libraries, such as MSysGit. In other words, the
assumption that curl-config is always installed was incorrect.
Instead, if CURL_CONFIG is empty or returns an empty result (e.g. due
to curl-config being missing), use the old behavior of falling back to
-lcurl.
Signed-off-by: Dave Borowitz <dborowitz@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Ask curl-config how to link with the curl library, instead of
having only a limited configurability knobs in the Makefile.
* db/make-with-curl:
Makefile: allow static linking against libcurl
Makefile: use curl-config to determine curl flags
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When extract l10n messages, we use "--add-comments" option to keep
comments right above the l10n messages for references. But sometimes
irrelevant comments are also extracted. For example in the following
code block, the comment in line 2 will be extracted as comment for the
l10n message in line 3, but obviously it's wrong.
{ OPTION_CALLBACK, 0, "ignore-removal", &addremove_explicit,
NULL /* takes no arguments */,
N_("ignore paths removed in the working tree (same as
--no-all)"),
PARSE_OPT_NOARG, ignore_removal_cb },
Since almost all comments for l10n translators are marked with the same
prefix (tag): "TRANSLATORS:", it's safe to only extract comments with
this special tag. I.E. it's better to call xgettext as:
xgettext --add-comments=TRANSLATORS: ...
Also tweaks the multi-line comment in "init-db.c", to make it start with
the proper tag, not "* TRANSLATORS:" (which has a star before the tag).
Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Multi-threaing of index-pack was disabled with c0f8654
(index-pack: Disable threading on cygwin - 2012-06-26), because
pread() implementations for Cygwin and MSYS were not thread
safe. Recent Cygwin does offer usable pread() and we enabled
multi-threading with 103d530f (Cygwin 1.7 has thread-safe pread,
2013-07-19).
Work around this problem on platforms with a thread-unsafe
pread() emulation by opening one file handle per thread; it
would prevent parallel pread() on different file handles from
stepping on each other.
Also remove NO_THREAD_SAFE_PREAD that was introduced in c0f8654
because it's no longer used anywhere.
This workaround is unconditional, even for platforms with
thread-safe pread() because the overhead is small (a couple file
handles more) and not worth fragmenting the code.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Tested-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This requires more flags than can be guessed with the old-style
CURLDIR and related options, so is only supported when curl-config is
present.
Signed-off-by: Dave Borowitz <dborowitz@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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curl-config should always be installed alongside a curl distribution,
and its purpose is to provide flags for building against libcurl, so
use it instead of guessing flags and dependent libraries.
Allow overriding CURL_CONFIG to a custom path to curl-config, to
compile against a curl installation other than the first in PATH.
Depending on the set of features curl is compiled with, there may be
more libraries required than the previous two options of -lssl and
-lidn. For example, with a vanilla build of libcurl-7.36.0 on Mac OS X
10.9:
$ ~/d/curl-out-7.36.0/lib/curl-config --libs
-L/Users/dborowitz/d/curl-out-7.36.0/lib -lcurl -lgssapi_krb5 -lresolv -lldap -lz
Use this only when CURLDIR is not explicitly specified, to continue
supporting older builds.
Signed-off-by: Dave Borowitz <dborowitz@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jl/nor-or-nand-and:
code and test: fix misuses of "nor"
comments: fix misuses of "nor"
contrib: fix misuses of "nor"
Documentation: fix misuses of "nor"
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* jk/commit-dates-parsing-fix:
t4212: loosen far-in-future test for AIX
date: recognize bogus FreeBSD gmtime output
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Eradicate mistaken use of "nor" (that is, essentially "nor" used
not in "neither A nor B" ;-)) from in-code comments, command output
strings, and documentations.
* jl/nor-or-nand-and:
code and test: fix misuses of "nor"
comments: fix misuses of "nor"
contrib: fix misuses of "nor"
Documentation: fix misuses of "nor"
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Finishing touches for portability.
* jk/commit-dates-parsing-fix:
t4212: loosen far-in-future test for AIX
date: recognize bogus FreeBSD gmtime output
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Most gmtime implementations return a NULL value when they
encounter an error (and this behavior is specified by ANSI C
and POSIX). FreeBSD's implementation, however, will simply
leave the "struct tm" untouched. Let's also recognize this
and convert it to a NULL (with this patch, t4212 should pass
on FreeBSD).
Reported-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Jonathan Nieder
Jeff King
David Michael
Christian Couder
René Scharfe
Ian Liu Rodrigues
Pat Thoyts
Tanay Abhra
Karsten Blees
Andi Kleen
Michael J Gruber
Nguyễn Thái Ngọc Duy
Torsten Bögershausen
Dave Borowitz
Jiang Xin