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* xdiff: drop XDL_FAST_HASHJeff King2016-12-06
| | | | | | | | | | | | | | | | | | | | | | | | The xdiff code hashes every line of both sides of a diff, and then compares those hashes to find duplicates. The overall performance depends both on how fast we can compute the hashes, but also on how many hash collisions we see. The idea of XDL_FAST_HASH is to speed up the hash computation. But the generated hashes have worse collision behavior. This means that in some cases it speeds diffs up (running "git log -p" on git.git improves by ~8% with it), but in others it can slow things down. One pathological case saw over a 100x slowdown[1]. There may be a better hash function that covers both properties, but in the meantime we are better off with the original hash. It's slightly slower in the common case, but it has fewer surprising pathological cases. [1] http://public-inbox.org/git/20141222041944.GA441@peff.net/ Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Merge branch 'ew/build-time-pager-tweaks'Junio C Hamano2016-08-08
|\ | | | | | | | | | | | | | | | | The build procedure learned PAGER_ENV knob that lists what default environment variable settings to export for popular pagers. This mechanism is used to tweak the default settings to MORE on FreeBSD. * ew/build-time-pager-tweaks: pager: move pager-specific setup into the build
| * pager: move pager-specific setup into the buildEric Wong2016-08-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allowing PAGER_ENV to be set at build-time allows us to move pager-specific knowledge out of our build. This allows us to set a better default for FreeBSD more(1), which pretends not to understand ANSI color escapes if the MORE environment variable is left empty, but accepts the same variables as less(1) Originally-from: https://public-inbox.org/git/xmqq61piw4yf.fsf@gitster.dls.corp.google.com/ Helped-by: Junio C Hamano <gitster@pobox.com> Helped-by: Jeff King <peff@peff.net> Signed-off-by: Eric Wong <e@80x24.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Merge branch 'ew/find-perl-on-freebsd-in-local'Junio C Hamano2016-07-28
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | Recent FreeBSD stopped making perl available at /usr/bin/perl; switch the default the built-in path to /usr/local/bin/perl on not too ancient FreeBSD releases. * ew/find-perl-on-freebsd-in-local: config.mak.uname: correct perl path on FreeBSD
| * | config.mak.uname: correct perl path on FreeBSDNguyễn Thái Ngọc Duy2016-07-26
| |/ | | | | | | | | | | | | | | | | | | | | It looks the the symlink /usr/bin/perl (to /usr/local/bin/perl) has been removed at least on FreeBSD 10.3. See [1] for more information. [1] https://svnweb.freebsd.org/ports/head/UPDATING?r1=386270&r2=386269&pathrev=386270&diff_format=c Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Helped-by: Eric Wong <e@80x24.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | config.mak.uname: define NEEDS_LIBRT under Linux, for nowEric Wong2016-07-11
|/ | | | | | | | | | | | | My Debian wheezy LTS system is still on glibc 2.13; and LTS distros may use older glibc, still, so lets not unnecessarily break things out-of-the-box. We seem to assume Linux is using glibc in our Makefiles anyways, so I don't think this will introduce new breakage for users of alternative libc implementations. Signed-off-by: Eric Wong <e@80x24.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* mingw: make isatty() recognize MSYS2's pseudo terminals (/dev/pty*)Karsten Blees2016-05-26
| | | | | | | | | | | | | | | | | | | MSYS2 emulates pseudo terminals via named pipes, and isatty() returns 0 for such file descriptors. Therefore, some interactive functionality (such as launching a pager, asking if a failed unlink should be repeated etc.) doesn't work when run in a terminal emulator that uses MSYS2's ptys (such as mintty). However, MSYS2 uses special names for its pty pipes ('msys-*-pty*'), which allows us to distinguish them from normal piped input / output. On startup, check if stdin / stdout / stderr are connected to such pipes using the NtQueryObject API from NTDll.dll. If the names match, adjust the flags in MSVCRT's ioinfo structure accordingly. Signed-off-by: Karsten Blees <blees@dcon.de> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Merge branch 'ad/cygwin-wants-rename' into maintJunio C Hamano2016-05-02
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Cygwin, object creation uses the "create a temporary and then rename it to the final name" pattern, not "create a temporary, hardlink it to the final name and then unlink the temporary" pattern. This is necessary to use Git on Windows shared directories, and is already enabled for the MinGW and plain Windows builds. It also has been used in Cygwin packaged versions of Git for quite a while. See http://thread.gmane.org/gmane.comp.version-control.git/291853 ($gmane/275680, $gmane/291853). * ad/cygwin-wants-rename: config.mak.uname: Cygwin needs OBJECT_CREATION_USES_RENAMES
| * config.mak.uname: Cygwin needs OBJECT_CREATION_USES_RENAMESAdam Dinwoodie2015-08-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This is necessary to use Git on Windows shared directories, and is already enabled for the MinGW and plain Windows builds. This problem was reported on the Cygwin mailing list at https://cygwin.com/ml/cygwin/2015-08/msg00102.html (amongst others) and is being applied as a manual patch to the Cygwin builds until the patch is taken here. Reported-by: Peter Rosin <peda@lysator.liu.se> Signed-off-by: Adam Dinwoodie <adam@dinwoodie.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Merge branch 'tb/avoid-gcc-on-darwin-10-6'Junio C Hamano2016-03-21
|\ \ | | | | | | | | | | | | * tb/avoid-gcc-on-darwin-10-6: Revert "config.mak.uname: use clang for Mac OS X 10.6"
| * | Revert "config.mak.uname: use clang for Mac OS X 10.6"Eric Sunshine2016-03-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 7b6daf8d2fee1a9866b1d4eddbfaa5dbc42c5dbb. Now that st_add4() has been patched to work around the gcc 4.2.x compiler crash, revert the sledge-hammer approach of forcing Mac OS X 10.6 to unconditionally use 'clang' rather than the default compiler (gcc). Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | Merge branch 'jc/sane-grep'Junio C Hamano2016-03-16
|\ \ \ | |/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Recent versions of GNU grep is pickier than before to decide if a file is "binary" and refuse to give line-oriented hits when we expect it to, unless explicitly told with "-a" option. As our scripted Porcelains use sane_grep wrapper for line-oriented data, even when the line may contain non-ASCII payload we took from end-user data, use "grep -a" to implement sane_grep wrapper when using an implementation of "grep" that takes the "-a" option. * jc/sane-grep: rebase-i: clarify "is this commit relevant?" test sane_grep: pass "-a" if grep accepts it
| * | sane_grep: pass "-a" if grep accepts itJunio C Hamano2016-03-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Newer versions of GNU grep is reported to be pickier when we feed a non-ASCII input and break some Porcelain scripts. As we know we do not feed random binary file to our own sane_grep wrapper, allow us to always pass "-a" by setting SANE_TEXT_GREP=-a Makefile variable to work it around. Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | config.mak.uname: use clang for Mac OS X 10.6Torsten Bögershausen2016-02-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Gcc under Mac OX 10.6 throws an internal compiler error: CC combine-diff.o combine-diff.c: In function ‘diff_tree_combined’: combine-diff.c:1391: internal compiler error: Segmentation fault while attempting to build Git at 5b442c4f (tree-diff: catch integer overflow in combine_diff_path allocation, 2016-02-19). As clang that ships with the version does not have the same bug, make Git compile under Mac OS X 10.6 by using clang instead of gcc to work this around, as it is unlikely that we will see fixed GCC on that platform. Later versions of Mac OSX/Xcode only provide clang, and gcc is a wrapper to it. Signed-off-by: Torsten Bögershausen <tboegi@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | mingw: do not trust MSYS2's MinGW gettext.shJohannes Schindelin2016-01-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It does not quite work because it produces DOS line endings which the shell does not like at all. This lets t0200-gettext-basic.sh, t0204-gettext-reencode-sanity.sh, t3406-rebase-message.sh, t3903-stash.sh, t7400-submodule-basic.sh, t7401-submodule-summary.sh, t7406-submodule-update.sh and t7407-submodule-foreach.sh pass in Git for Windows' SDK. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | mingw: let's use gettext with MSYS2Johannes Schindelin2016-01-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This solves two problems: - we now have proper localisation even on Windows - we sidestep the infamous "BUG: your vsnprintf is broken (returned -1)" message when running "git init" (which otherwise prevents the entire test suite from running) because libintl.h overrides vsnprintf() with libintl_vsnprintf() [*1*] The latter issue is rather crucial, as *no* test passes in Git for Windows without this fix. Footnote *1*: gettext_git=http://git.savannah.gnu.org/cgit/gettext.git $gettext_git/tree/gettext-runtime/intl/libgnuintl.in.h#n380 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | config.mak.uname: supporting 64-bit MSys2Johannes Schindelin2016-01-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This just makes things compile, the test suite needs extra tender loving care in addition to this change. We will address these issues in later commits. While at it, also allow building MSys2 Git (i.e. a Git that uses MSys2's POSIX emulation layer). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | config.mak.uname: support MSys2Johannes Schindelin2016-01-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For a long time, Git for Windows lagged behind Git's 2.x releases because the Git for Windows developers wanted to let that big jump coincide with a well-needed jump away from MSys to MSys2. To understand why this is such a big issue, it needs to be noted that many parts of Git are not written in portable C, but instead Git relies on a POSIX shell and Perl to be available. To support the scripts, Git for Windows has to ship a minimal POSIX emulation layer with Bash and Perl thrown in, and when the Git for Windows effort started in August 2007, this developer settled on using MSys, a stripped down version of Cygwin. Consequently, the original name of the project was "msysGit" (which, sadly, caused a *lot* of confusion because few Windows users know about MSys, and even less care). To compile the C code of Git for Windows, MSys was used, too: it sports two versions of the GNU C Compiler: one that links implicitly to the POSIX emulation layer, and another one that targets the plain Win32 API (with a few convenience functions thrown in). Git for Windows' executables are built using the latter, and therefore they are really just Win32 programs. To discern executables requiring the POSIX emulation layer from the ones that do not, the latter are called MinGW (Minimal GNU for Windows) when the former are called MSys executables. This reliance on MSys incurred challenges, too, though: some of our changes to the MSys runtime -- necessary to support Git for Windows better -- were not accepted upstream, so we had to maintain our own fork. Also, the MSys runtime was not developed further to support e.g. UTF-8 or 64-bit, and apart from lacking a package management system until much later (when mingw-get was introduced), many packages provided by the MSys/MinGW project lag behind the respective source code versions, in particular Bash and OpenSSL. For a while, the Git for Windows project tried to remedy the situation by trying to build newer versions of those packages, but the situation quickly became untenable, especially with problems like the Heartbleed bug requiring swift action that has nothing to do with developing Git for Windows further. Happily, in the meantime the MSys2 project (https://msys2.github.io/) emerged, and was chosen to be the base of the Git for Windows 2.x. Just like MSys, MSys2 is a stripped down version of Cygwin, but it is actively kept up-to-date with Cygwin's source code. Thereby, it already supports Unicode internally, and it also offers the 64-bit support that we yearned for since the beginning of the Git for Windows project. MSys2 also ported the Pacman package management system from Arch Linux and uses it heavily. This brings the same convenience to which Linux users are used to from `yum` or `apt-get`, and to which MacOSX users are used to from Homebrew or MacPorts, or BSD users from the Ports system, to MSys2: a simple `pacman -Syu` will update all installed packages to the newest versions currently available. MSys2 is also *very* active, typically providing package updates multiple times per week. It still required a two-month effort to bring everything to a state where Git's test suite passes, many more months until the first official Git for Windows 2.x was released, and a couple of patches still await their submission to the respective upstream projects. Yet without MSys2, the modernization of Git for Windows would simply not have happened. This commit lays the ground work to supporting MSys2-based Git builds. Assisted-by: Waldek Maleska <weakcamel@users.github.com> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | Makefile: drop D_INO_IN_DIRENT build knobJeff King2015-10-05
|/ / | | | | | | | | | | | | | | Now that fsck has dropped its inode-sorting, there are no longer any users of this knob, and it can go away. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | config.mak.uname: Darwin: define HAVE_GETDELIM for modern OS X releasesEric Sunshine2015-06-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Mac OS X, getdelim() first became available with Xcode 4.1[1], which was released the same day as OS X 10.7 "Lion", so assume getdelim() availability from 10.7 onward. (As of this writing, OS X is at 10.10 "Yosemite".) According to Wikipedia[2], 4.1 was also available for download by paying developers on OS X 10.6 "Snow Leopard", so it's possible that some 10.6 machines may have getdelim(). However, as strbuf's use of getdelim() is purely an optimization, let's be conservative and assume 10.6 and earlier lack getdelim(). [1]: Or, possibly with Xcode 4.0, but that version is no longer available for download, or not available to non-paying developers, so testing is not possible. [2]: http://en.wikipedia.org/wiki/Xcode Helped-by: Jeff King <peff@peff.net> Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | strbuf_getwholeline: use getdelim if it is availableJeff King2015-04-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We spend a lot of time in strbuf_getwholeline in a tight loop reading characters from a stdio handle into a buffer. The libc getdelim() function can do this for us with less overhead. It's in POSIX.1-2008, and was a GNU extension before that. Therefore we can't rely on it, but can fall back to the existing getc loop when it is not available. The HAVE_GETDELIM knob is turned on automatically for Linux, where we have glibc. We don't need to set any new feature-test macros, because we already define _GNU_SOURCE. Other systems that implement getdelim may need to other macros (probably _POSIX_C_SOURCE >= 200809L), but we can address that along with setting the Makefile knob after testing the feature on those systems. Running "git rev-parse refs/heads/does-not-exist" on a repo with an extremely large (1.6GB) packed-refs file went from (best-of-5): real 0m8.601s user 0m8.084s sys 0m0.524s to: real 0m6.768s user 0m6.340s sys 0m0.432s for a wall-clock speedup of 21%. Based on a patch from Rasmus Villemoes <rv@rasmusvillemoes.dk>. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | configure: support HAVE_BSD_SYSCTL optionKyle J. McKay2015-03-10
| | | | | | | | | | | | | | | | | | | | | | | | On BSD-compatible systems some information such as the number of available CPUs may only be available via the sysctl function. Add support for a HAVE_BSD_SYSCTL option complete with autoconf support and include the sys/syctl.h header when the option is enabled to make the sysctl function available. Signed-off-by: Kyle J. McKay <mackyle@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | configure.ac: check for clock_gettime and CLOCK_MONOTONICReuben Hawkins2015-01-09
| | | | | | | | | | | | | | | | | | | | | | | | | | Set or clear Makefile variables HAVE_CLOCK_GETTIME and HAVE_CLOCK_MONOTONIC based upon results of the checks (overriding default values from config.mak.uname). CLOCK_MONOTONIC isn't available on RHEL3, but there are still RHEL3 systems being used in production. Signed-off-by: Reuben Hawkins <reubenhwk@gmail.com> Reviewed-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Sync with v2.1.4Junio C Hamano2014-12-17
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * maint-2.1: Git 2.1.4 Git 2.0.5 Git 1.9.5 Git 1.8.5.6 fsck: complain about NTFS ".git" aliases in trees read-cache: optionally disallow NTFS .git variants path: add is_ntfs_dotgit() helper fsck: complain about HFS+ ".git" aliases in trees read-cache: optionally disallow HFS+ .git variants utf8: add is_hfs_dotgit() helper fsck: notice .git case-insensitively t1450: refactor ".", "..", and ".git" fsck tests verify_dotfile(): reject .git case-insensitively read-tree: add tests for confusing paths like ".." and ".git" unpack-trees: propagate errors adding entries to the index
| * \ Sync with v2.0.5Junio C Hamano2014-12-17
| |\ \ | | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * maint-2.0: Git 2.0.5 Git 1.9.5 Git 1.8.5.6 fsck: complain about NTFS ".git" aliases in trees read-cache: optionally disallow NTFS .git variants path: add is_ntfs_dotgit() helper fsck: complain about HFS+ ".git" aliases in trees read-cache: optionally disallow HFS+ .git variants utf8: add is_hfs_dotgit() helper fsck: notice .git case-insensitively t1450: refactor ".", "..", and ".git" fsck tests verify_dotfile(): reject .git case-insensitively read-tree: add tests for confusing paths like ".." and ".git" unpack-trees: propagate errors adding entries to the index
| | * Sync with v1.9.5Junio C Hamano2014-12-17
| | |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * maint-1.9: Git 1.9.5 Git 1.8.5.6 fsck: complain about NTFS ".git" aliases in trees read-cache: optionally disallow NTFS .git variants path: add is_ntfs_dotgit() helper fsck: complain about HFS+ ".git" aliases in trees read-cache: optionally disallow HFS+ .git variants utf8: add is_hfs_dotgit() helper fsck: notice .git case-insensitively t1450: refactor ".", "..", and ".git" fsck tests verify_dotfile(): reject .git case-insensitively read-tree: add tests for confusing paths like ".." and ".git" unpack-trees: propagate errors adding entries to the index
| | | * Sync with v1.8.5.6Junio C Hamano2014-12-17
| | | |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * maint-1.8.5: Git 1.8.5.6 fsck: complain about NTFS ".git" aliases in trees read-cache: optionally disallow NTFS .git variants path: add is_ntfs_dotgit() helper fsck: complain about HFS+ ".git" aliases in trees read-cache: optionally disallow HFS+ .git variants utf8: add is_hfs_dotgit() helper fsck: notice .git case-insensitively t1450: refactor ".", "..", and ".git" fsck tests verify_dotfile(): reject .git case-insensitively read-tree: add tests for confusing paths like ".." and ".git" unpack-trees: propagate errors adding entries to the index
| | | | * read-cache: optionally disallow NTFS .git variantsJohannes Schindelin2014-12-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The point of disallowing ".git" in the index is that we would never want to accidentally overwrite files in the repository directory. But this means we need to respect the filesystem's idea of when two paths are equal. The prior commit added a helper to make such a comparison for NTFS and FAT32; let's use it in verify_path(). We make this check optional for two reasons: 1. It restricts the set of allowable filenames, which is unnecessary for people who are not on NTFS nor FAT32. In practice this probably doesn't matter, though, as the restricted names are rather obscure and almost certainly would never come up in practice. 2. It has a minor performance penalty for every path we insert into the index. This patch ties the check to the core.protectNTFS config option. Though this is expected to be most useful on Windows, we allow it to be set everywhere, as NTFS may be mounted on other platforms. The variable does default to on for Windows, though. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| | | | * read-cache: optionally disallow HFS+ .git variantsJeff King2014-12-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The point of disallowing ".git" in the index is that we would never want to accidentally overwrite files in the repository directory. But this means we need to respect the filesystem's idea of when two paths are equal. The prior commit added a helper to make such a comparison for HFS+; let's use it in verify_path. We make this check optional for two reasons: 1. It restricts the set of allowable filenames, which is unnecessary for people who are not on HFS+. In practice this probably doesn't matter, though, as the restricted names are rather obscure and almost certainly would never come up in practice. 2. It has a minor performance penalty for every path we insert into the index. This patch ties the check to the core.protectHFS config option. Though this is expected to be most useful on OS X, we allow it to be set everywhere, as HFS+ may be mounted on other platforms. The variable does default to on for OS X, though. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| | | * | Merge branch 'jk/commit-dates-parsing-fix' into maintJunio C Hamano2014-04-09
| | | |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * jk/commit-dates-parsing-fix: t4212: loosen far-in-future test for AIX date: recognize bogus FreeBSD gmtime output
* | | | \ \ Merge branch 'jc/config-mak-document-darwin-vs-macosx'Junio C Hamano2014-09-09
|\ \ \ \ \ \ | |/ / / / / |/| | | | | | | | | | | | | | | | | | | | | | | * jc/config-mak-document-darwin-vs-macosx: config.mak.uname: add hint on uname_R for MacOS X config.mak.uname: set NO_APPLE_COMMON_CRYPTO on older systems
| * | | | | config.mak.uname: add hint on uname_R for MacOS XJunio C Hamano2014-08-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I always have to scratch my head every time I see this cryptic pattern "[15678]\."; leave a short note to remind the maintainer and the reviewers. Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | config.mak.uname: set NO_APPLE_COMMON_CRYPTO on older systemsKyle J. McKay2014-08-15
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Older MacOS systems prior to 10.5 do not have the CommonCrypto support Git uses so set NO_APPLE_COMMON_CRYPTO on those systems. Signed-off-by: Kyle J. McKay <mackyle@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | Merge branch 'nd/index-pack-one-fd-per-thread' into maintJunio C Hamano2014-06-25
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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()
* | \ \ \ \ Merge branch 'sk/mingw-uni-fix-more'Junio C Hamano2014-07-30
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most of these are battle-tested in msysgit and are needed to complete what has been merged to 'master' already. * sk/mingw-uni-fix-more: Win32: enable color output in Windows cmd.exe Win32: patch Windows environment on startup Win32: keep the environment sorted Win32: use low-level memory allocation during initialization Win32: reduce environment array reallocations Win32: don't copy the environment twice when spawning child processes Win32: factor out environment block creation Win32: unify environment function names Win32: unify environment case-sensitivity Win32: fix environment memory leaks Win32: Unicode environment (incoming) Win32: Unicode environment (outgoing) Revert "Windows: teach getenv to do a case-sensitive search" tests: do not pass iso8859-1 encoded parameter
| * | | | | | Win32: fix environment memory leaksKarsten Blees2014-07-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All functions that modify the environment have memory leaks. Disable gitunsetenv in the Makefile and use env_setenv (via mingw_putenv) instead (this frees removed environment entries). Move xstrdup from env_setenv to make_augmented_environ, so that mingw_putenv no longer copies the environment entries (according to POSIX [1], "the string [...] shall become part of the environment"). This also fixes the memory leak in gitsetenv, which expects a POSIX compliant putenv. [1] http://pubs.opengroup.org/onlinepubs/009695399/functions/putenv.html Note: This patch depends on taking control of char **environ and having our own mingw_putenv (both introduced in "Win32: Unicode environment (incoming)"). Signed-off-by: Karsten Blees <blees@dcon.de> Signed-off-by: Stepan Kasal <kasal@ucw.cz> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | | Merge branch 'kb/perf-trace'Junio C Hamano2014-07-22
|\ \ \ \ \ \ \ | |/ / / / / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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
| * | | | | | trace: add high resolution timer function to debug performance issuesKarsten Blees2014-07-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | | | | | | Merge branch 'sk/mingw-dirent'Junio C Hamano2014-07-09
|\ \ \ \ \ \ \ | |/ / / / / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * sk/mingw-dirent: Win32 dirent: improve dirent implementation Win32 dirent: clarify #include directives Win32 dirent: change FILENAME_MAX to MAX_PATH Win32 dirent: remove unused dirent.d_reclen member Win32 dirent: remove unused dirent.d_ino member
| * | | | | | Win32 dirent: remove unused dirent.d_ino memberKarsten Blees2014-06-09
| |/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are no proper inodes on Windows, so remove dirent.d_ino and #define NO_D_INO_IN_DIRENT in the Makefile (this skips e.g. an ineffective qsort in fsck.c). Signed-off-by: Karsten Blees <blees@dcon.de> Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Stepan Kasal <kasal@ucw.cz> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | Merge branch 'sk/msvc-dynlink-crt'Junio C Hamano2014-06-03
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | * sk/msvc-dynlink-crt: MSVC: link dynamically to the CRT
| * | | | | | MSVC: link dynamically to the CRTKarsten Blees2014-05-06
| |/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Dynamic linking is generally preferred over static linking, and MSVCRT.dll has been integral part of Windows for a long time. This also fixes linker warnings for _malloc and _free in zlib.lib, which seems to be compiled for MSVCRT.dll already. The DLL version also exports some of the CRT initialization functions, which are hidden in the static libcmt.lib (e.g. __wgetmainargs, required by subsequent Unicode patches). Signed-off-by: Karsten Blees <blees@dcon.de> Signed-off-by: Stepan Kasal <kasal@ucw.cz> Acked-by: Sebastian Schuberth <sschuberth@gmail.com> Acked-by: Marat Radchenko <marat@slonopotamus.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | Merge branch 'nd/index-pack-one-fd-per-thread'Junio C Hamano2014-06-03
|\ \ \ \ \ \ | | |/ / / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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()
| * | | | | index-pack: work around thread-unsafe pread()Nguyễn Thái Ngọc Duy2014-04-16
| | |/ / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | | | | Merge branch 'ks/tree-diff-nway'Junio C Hamano2014-06-03
|\ \ \ \ \ | |_|/ / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
| * | | | mingw: activate allocaKirill Smelkov2014-04-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Both MSVC and MINGW have alloca(3) definitions in malloc.h, so by moving win32-compat alloca.h from compat/vcbuild/include/ to compat/win32/ , which is included by both MSVC and MINGW CFLAGS, we can make alloca() work on both those Windows environments. In MINGW, malloc.h has explicit check for GNUC and if it is so, defines alloca to __builtin_alloca, so it looks like we don't need to add any code to here-shipped alloca.h to get optimum performance. Compile-tested on Windows in MSysGit. Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru> Acked-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | Portable alloca for GitKirill Smelkov2014-03-27
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the next patch we'll have to use alloca() for performance reasons, but since alloca is non-standardized and is not portable, let's have a trick with compatibility wrappers: 1. at configure time, determine, do we have working alloca() through alloca.h, and define #define HAVE_ALLOCA_H if yes. 2. in code #ifdef HAVE_ALLOCA_H # include <alloca.h> # define xalloca(size) (alloca(size)) # define xalloca_free(p) do {} while(0) #else # define xalloca(size) (xmalloc(size)) # define xalloca_free(p) (free(p)) #endif and use it like func() { p = xalloca(size); ... xalloca_free(p); } This way, for systems, where alloca is available, we'll have optimal on-stack allocations with fast executions. On the other hand, on systems, where alloca is not available, this gracefully fallbacks to xmalloc/free. Both autoconf and config.mak.uname configurations were updated. For autoconf, we are not bothering considering cases, when no alloca.h is available, but alloca() works some other way - its simply alloca.h is available and works or not, everything else is deep legacy. For config.mak.uname, I've tried to make my almost-sure guess for where alloca() is available, but since I only have access to Linux it is the only change I can be sure about myself, with relevant to other changed systems people Cc'ed. NOTE SunOS and Windows had explicit -DHAVE_ALLOCA_H in their configurations. I've changed that to now-common HAVE_ALLOCA_H=YesPlease which should be correct. Cc: Brandon Casey <drafnel@gmail.com> Cc: Marius Storm-Olsen <mstormo@gmail.com> Cc: Johannes Sixt <j6t@kdbg.org> Cc: Johannes Schindelin <Johannes.Schindelin@gmx.de> Cc: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Cc: Gerrit Pape <pape@smarden.org> Cc: Petr Salinger <Petr.Salinger@seznam.cz> Cc: Jonathan Nieder <jrnieder@gmail.com> Acked-by: Thomas Schwinge <thomas@codesourcery.com> (GNU Hurd changes) Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | Merge branch 'mr/msvc-link-with-invalidcontinue'Junio C Hamano2014-04-08
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | * mr/msvc-link-with-invalidcontinue: MSVC: link in invalidcontinue.obj for better POSIX compatibility
| * | | | MSVC: link in invalidcontinue.obj for better POSIX compatibilityMarat Radchenko2014-03-28
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | By default, Windows abort()'s instead of setting errno=EINVAL when invalid arguments are passed to standard functions. For example, when PAGER quits and git detects it with errno=EPIPE on write(), check_pipe() in write_or_die.c tries raise(SIGPIPE) but since there is no SIGPIPE on Windows, it is treated as invalid argument, causing abort() and crash report window. Linking in invalidcontinue.obj (provided along with MS compiler) allows raise(SIGPIPE) to return with errno=EINVAL. Signed-off-by: Marat Radchenko <marat@slonopotamus.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | Merge branch 'jk/commit-dates-parsing-fix'Junio C Hamano2014-04-08
|\ \ \ \ | | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | Finishing touches for portability. * jk/commit-dates-parsing-fix: t4212: loosen far-in-future test for AIX date: recognize bogus FreeBSD gmtime output
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-26 04:20:05 +0000