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* Merge branch 'jc/install-no-hardlinks'Junio C Hamano2012-05-101-1/+11
|\ | | | | | | | | | | | | | | | | | | | | | | Your build platform may support hardlinks but you may prefer not to use them, e.g. when installing to DESTDIR to make a tarball and untarring on a filesystem that has poor support for hardlinks. The Makefile in git-gui project may need to learn to honor the same setting; it unconditionally creates git-citool by hardlinking git-gui. * jc/install-no-hardlinks: Makefile: NO_INSTALL_HARDLINKS
| * Makefile: NO_INSTALL_HARDLINKSJunio C Hamano2012-05-041-1/+11
| | | | | | | | | | | | | | | | | | | | | | | | Your filesystem may support hardlinks, but you may choose not to use them when installing git-foo builtins and favor symblic links or copies for whatever reason. The installation procedure of git-gui/ directory is not touched with this patch and git-citool still ends up being a hardlink to git-gui, but it needs to be addressed separately. Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Makefile: keep many variable list sortedNguyễn Thái Ngọc Duy2012-05-041-13/+13
| | | | | | | | | | | | | | | | | | We tend to keep long lists sorted (extensions are not taken into account), which helps spot a name easily by eye. Rearrange a few items so these lists remain sorted. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Merge branch 'nd/columns'Junio C Hamano2012-05-031-0/+3
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A couple of commands learn --column option to produce columnar output. By Nguyễn Thái Ngọc Duy (9) and Zbigniew Jędrzejewski-Szmek (1) * nd/columns: tag: add --column column: support piping stdout to external git-column process status: add --column branch: add --column help: reuse print_columns() for help -a column: add dense layout support t9002: work around shells that are unable to set COLUMNS to 1 column: add columnar layout Stop starting pager recursively Add column layout skeleton and git-column
| * | tag: add --columnNguyễn Thái Ngọc Duy2012-04-271-1/+1
| | | | | | | | | | | | | | | Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | status: add --columnNguyễn Thái Ngọc Duy2012-04-271-1/+1
| | | | | | | | | | | | | | | Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | branch: add --columnNguyễn Thái Ngọc Duy2012-04-271-1/+1
| | | | | | | | | | | | | | | Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | Add column layout skeleton and git-columnNguyễn Thái Ngọc Duy2012-04-271-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A column option string consists of many token separated by either a space or a comma. A token belongs to one of three groups: - enabling: always, never and auto - layout mode: currently plain (which does not layout at all) - other future tuning flags git-column can be used to pipe output to from a command that wants column layout, but not to mess with its own output code. Simpler output code can be changed to use column layout code directly. Thanks-to: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | Merge branch 'tr/xdiff-fast-hash'Junio C Hamano2012-05-021-0/+12
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use word-at-a-time comparison to find end of line or NUL (end of buffer), borrowed from the linux-kernel discussion. By Thomas Rast * tr/xdiff-fast-hash: xdiff: choose XDL_FAST_HASH code on sizeof(long) instead of __WORDSIZE xdiff: load full words in the inner loop of xdl_hash_record
| * | | xdiff: load full words in the inner loop of xdl_hash_recordThomas Rast2012-04-091-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Redo the hashing loop in xdl_hash_record in a way that loads an entire 'long' at a time, using masking tricks to see when and where we found the terminating '\n'. I stole inspiration and code from the posts by Linus Torvalds around https://lkml.org/lkml/2012/3/2/452 https://lkml.org/lkml/2012/3/5/6 His method reads the buffers in sizeof(long) increments, and may thus overrun it by at most sizeof(long)-1 bytes before it sees the final newline (or hits the buffer length check). I considered padding out all buffers by a suitable amount to "catch" the overrun, but * this does not work for mmap()'d buffers: if you map 4096+8 bytes from a 4096 byte file, accessing the last 8 bytes results in a SIGBUS on my machine; and * it would also be extremely ugly because it intrudes deep into the unpacking machinery. So I adapted it to not read beyond the buffer at all. Instead, it reads the final partial word byte-by-byte and strings it together. Then it can use the same logic as before to finish the hashing. So far we enable this only on x86_64, where it provides nice speedup for diff-related work: Test origin/next tr/xdiff-fast-hash ----------------------------------------------------------------------------- 4000.1: log -3000 (baseline) 0.07(0.05+0.02) 0.08(0.06+0.02) +14.3% 4000.2: log --raw -3000 (tree-only) 0.37(0.33+0.04) 0.37(0.32+0.04) +0.0% 4000.3: log -p -3000 (Myers) 1.75(1.65+0.09) 1.60(1.49+0.10) -8.6% 4000.4: log -p -3000 --histogram 1.73(1.62+0.09) 1.58(1.49+0.08) -8.7% 4000.5: log -p -3000 --patience 2.11(2.00+0.10) 1.94(1.80+0.11) -8.1% Perhaps other platforms could also benefit. However it does NOT work on big-endian systems! [jc: minimum style and compilation fixes] Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | Merge branch 'nd/i18n'Junio C Hamano2012-05-021-17/+32
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | More message strings marked for i18n. By Nguyễn Thái Ngọc Duy (10) and Jonathan Nieder (1) * nd/i18n: help: replace underlining "help -a" headers using hyphens with a blank line i18n: bundle: mark strings for translation i18n: index-pack: mark strings for translation i18n: apply: update say_patch_name to give translators complete sentence i18n: apply: mark strings for translation i18n: remote: mark strings for translation i18n: make warn_dangling_symref() automatically append \n i18n: help: mark strings for translation i18n: mark relative dates for translation strbuf: convenience format functions with \n automatically appended Makefile: feed all header files to xgettext
| * | | | i18n: help: mark strings for translationNguyễn Thái Ngọc Duy2012-04-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch also marks most common commands' synopsis for translation so that "git help" gives a friendly listing. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | Makefile: feed all header files to xgettextNguyễn Thái Ngọc Duy2012-04-231-17/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Translation markers may be present in header files too. Make sure we don't miss any. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | Merge branch 'jc/index-v4'Junio C Hamano2012-05-021-0/+2
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Trivially shrinks the on-disk size of the index file to save both I/O and checksum overhead. The topic should give a solid base to build on further updates, with the code refactoring in its earlier parts, and the backward compatibility mechanism in its later parts. * jc/index-v4: index-v4: document the entry format unpack-trees: preserve the index file version of original update-index: upgrade/downgrade on-disk index version read-cache.c: write prefix-compressed names in the index read-cache.c: read prefix-compressed names in index on-disk version v4 read-cache.c: move code to copy incore to ondisk cache to a helper function read-cache.c: move code to copy ondisk to incore cache to a helper function read-cache.c: report the header version we do not understand read-cache.c: make create_from_disk() report number of bytes it consumed read-cache.c: allow unaligned mapping of the index file cache.h: hide on-disk index details varint: make it available outside the context of pack
| * | | | | varint: make it available outside the context of packJunio C Hamano2012-04-031-0/+2
| | |/ / / | |/| | | | | | | | | | | | | Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | Merge branch 'hv/submodule-recurse-push'Junio C Hamano2012-04-241-0/+1
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "git push --recurse-submodules" learns to optionally look into the histories of submodules bound to the superproject and push them out. By Heiko Voigt * hv/submodule-recurse-push: push: teach --recurse-submodules the on-demand option Refactor submodule push check to use string list instead of integer Teach revision walking machinery to walk multiple times sequencially
| * | | | | Teach revision walking machinery to walk multiple times sequenciallyHeiko Voigt2012-03-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously it was not possible to iterate revisions twice using the revision walking api. We add a reset_revision_walk() which clears the used flags. This allows us to do multiple sequencial revision walks. We add the appropriate calls to the existing submodule machinery doing revision walks. This is done to avoid surprises if future code wants to call these functions more than once during the processes lifetime. Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | Merge branch 'rs/commit-list-sort-in-batch'Junio C Hamano2012-04-231-0/+3
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Setting up a revision traversal with many starting points was inefficient as these were placed in a date-order priority queue one-by-one. By René Scharfe (3) and Junio C Hamano (1) * rs/commit-list-sort-in-batch: mergesort: rename it to llist_mergesort() revision: insert unsorted, then sort in prepare_revision_walk() commit: use mergesort() in commit_list_sort_by_date() add mergesort() for linked lists
| * | | | | | add mergesort() for linked listsRené Scharfe2012-04-111-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds a generic bottom-up mergesort implementation for singly linked lists. It was inspired by Simon Tatham's webpage on the topic[1], but not so much by his implementation -- for no good reason, really, just a case of NIH. [1] http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | | Merge branch 'jn/debian-customizes-default-editor'Junio C Hamano2012-04-231-0/+2
|\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make it easier for distros to document custom pager and editor they used when building their binary releases in "git var" documentation. By Jonathan Nieder * jn/debian-customizes-default-editor: var doc: advertise current DEFAULT_PAGER and DEFAULT_EDITOR settings var doc: default editor and pager are configurable at build time
| * | | | | | | var doc: advertise current DEFAULT_PAGER and DEFAULT_EDITOR settingsJonathan Nieder2012-04-101-0/+2
| |/ / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Document the default pager and editor chosen at compile time in the git-var(1) manpage so users curious about what command _this_ copy of git will fall back to when EDITOR, VISUAL, and PAGER are unset can find the answer quickly. In builds leaving those settings uncustomized, this patch makes the manpage continue to say "usually vi" and "usually less" so the formatted documentation is usable for a wide audience including users of custom builds that change those settings. If you would like your copy of the docs to be less noncommittal, you will need to set DEFAULT_PAGER=less and DEFAULT_EDITOR=vi explicitly. Suggested-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | | Merge branch 'pw/git-p4'Junio C Hamano2012-04-231-0/+1
|\ \ \ \ \ \ \ | |_|_|_|/ / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | By Pete Wyckoff * pw/git-p4: git p4: use "git p4" directly in tests git p4: update name in script git-p4: move to toplevel
| * | | | | | git-p4: move to toplevelPete Wyckoff2012-04-091-0/+1
| | |_|/ / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move git-p4 out of contrib/fast-import into the main code base, aside other foreign SCM tools. Signed-off-by: Pete Wyckoff <pw@padd.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | Use SHELL_PATH from build system in run_command.c:prepare_shell_cmdBen Walton2012-04-031-0/+7
|/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During the testing of the 1.7.10 rc series on Solaris for OpenCSW, it was discovered that t7006-pager was failing due to finding a bad "sh" in PATH after a call to execvp("sh", ...). This call was setup by run_command.c:prepare_shell_cmd. The PATH in use at the time saw /opt/csw/bin given precedence to traditional Solaris paths such as /usr/bin and /usr/xpg4/bin. A package named schilyutils (Joerg Schilling's utilities) was installed on the build system and it delivered a modified version of the traditional Solaris /usr/bin/sh as /opt/csw/bin/sh. This version of sh suffers from many of the same problems as /usr/bin/sh. The command-specific pager test failed due to the broken "sh" handling ^ as a pipe character. It tried to fork two processes when it encountered "sed s/^/foo:/" as the pager command. This problem was entirely dependent on the PATH of the user at runtime. Possible fixes for this issue are: 1. Use the standard system() or popen() which both launch a POSIX shell on Solaris as long as _POSIX_SOURCE is defined. 2. The git wrapper could prepend SANE_TOOL_PATH to PATH thus forcing all unqualified commands run to use the known good tools on the system. 3. The run_command.c:prepare_shell_command() could use the same SHELL_PATH that is in the #! line of all all scripts and not rely on PATH to find the sh to run. Option 1 would preclude opening a bidirectional pipe to a filter script and would also break git for Windows as cmd.exe is spawned from system() (cf. v1.7.5-rc0~144^2, "alias: use run_command api to execute aliases, 2011-01-07). Option 2 is not friendly to users as it would negate their ability to use tools of their choice in many cases. Alternately, injecting SANE_TOOL_PATH such that it takes precedence over /bin and /usr/bin (and anything with lower precedence than those paths) as git-sh-setup.sh does would not solve the problem either as the user environment could still allow a bad sh to be found. (Many OpenCSW users will have /opt/csw/bin leading their PATH and some subset would have schilyutils installed.) Option 3 allows us to use a known good shell while still honouring the users' PATH for the utilities being run. Thus, it solves the problem while not negatively impacting either users or git's ability to run external commands in convenient ways. Essentially, the shell is a special case of tool that should not rely on SANE_TOOL_PATH and must be called explicitly. With this patch applied, any code path leading to run_command.c:prepare_shell_cmd can count on using the same sane shell that all shell scripts in the git suite use. Both the build system and run_command.c will default this shell to /bin/sh unless overridden. Signed-off-by: Ben Walton <bwalton@artsci.utoronto.ca> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | Merge branch 'master' into git-poJiang Xin2012-02-281-20/+68
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| * \ \ \ \ Merge branch 'maint'Junio C Hamano2012-02-261-0/+1
| |\ \ \ \ \ | | |_|_|/ / | |/| | | / | | | |_|/ | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * maint: Document accumulated fixes since 1.7.9.2 Git 1.7.8.5 grep -P: Fix matching ^ and $ am: don't infloop for an empty input file rebase -m: only call "notes copy" when rewritten exists and is non-empty git-p4: remove bash-ism in t9800 git-p4: remove bash-ism in t9809 git-p4: fix submit regression with clientSpec and subdir clone git-p4: set useClientSpec variable on initial clone Makefile: add thread-utils.h to LIB_H Conflicts: RelNotes t/t9809-git-p4-client-view.sh
| | * | | Sync with 1.7.8.5Junio C Hamano2012-02-261-0/+1
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| | | * | | Makefile: add thread-utils.h to LIB_HDmitry V. Levin2012-02-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Starting with commit v1.7.8-165-g0579f91, grep.h includes thread-utils.h, so the latter has to be added to LIB_H. Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Acked-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| | * | | | Merge branch 'dp/i18n-libcharset' into maintJunio C Hamano2012-02-211-0/+5
| | |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | * dp/i18n-libcharset: Makefile: introduce CHARSET_LIB to link with -lcharset
| | * \ \ \ \ Merge branch 'tt/profile-build-fix' into maintJunio C Hamano2012-02-211-18/+37
| | |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tt/profile-build-fix: Makefile: fix syntax for older make Fix build problems related to profile-directed optimization
| | * \ \ \ \ \ Merge branch 'mp/make-cleanse-x-for-exe' into maintJunio C Hamano2012-02-131-0/+3
| | |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * mp/make-cleanse-x-for-exe: Explicitly set X to avoid potential build breakage
| * | | | | | | | Introduce a performance testing frameworkThomas Rast2012-02-171-1/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This introduces a performance testing framework under t/perf/. It tries to be as close to the test-lib.sh infrastructure as possible, and thus should be easy to get used to for git developers. The following points were considered for the implementation: 1. You usually want to compare arbitrary revisions/build trees against each other. They may not have the performance test under consideration, or even the perf-lib.sh infrastructure. To cope with this, the 'run' script lets you specify arbitrary build dirs and revisions. It even automatically builds the revisions if it doesn't have them at hand yet. 2. Usually you would not want to run all tests. It would take too long anyway. The 'run' script lets you specify which tests to run; or you can also do it manually. There is a Makefile for discoverability and 'make clean', but it is not meant for real-world use. 3. Creating test repos from scratch in every test is extremely time-consuming, and shipping or downloading such large/weird repos is out of the question. We leave this decision to the user. Two different sizes of test repos can be configured, and the scripts just copy one or more of those (using hardlinks for the object store). By default it tries to use the build tree's git.git repository. This is fairly fast and versatile. Using a copy instead of a clone preserves many properties that the user may want to test for, such as lots of loose objects, unpacked refs, etc. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | Merge branch 'dp/i18n-libcharset'Junio C Hamano2012-02-141-0/+5
| |\ \ \ \ \ \ \ \ | | | |_|_|/ / / / | | |/| | | | | / | | |_|_|_|_|_|/ | |/| | | | | | * dp/i18n-libcharset: Makefile: introduce CHARSET_LIB to link with -lcharset
| | * | | | | | Makefile: introduce CHARSET_LIB to link with -lcharsetdp/i18n-libcharsetДилян Палаузов2012-02-131-0/+5
| | | |_|_|_|/ | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On some systems, the function locale_charset() may not be exported from libiconv but is available from libcharset, and we need -lcharset when linking. Introduce a make variable CHARSET_LIB that can be set to -lcharsetlib on such systems. Also autodetect this in the configure script by first looking for the symbol in libiconv, and then libcharset. Signed-off-by: Дилян Палаузов <dilyan.palauzov@aegee.org>
| * | | | | | Sync with maintJunio C Hamano2012-02-131-1/+1
| |\ \ \ \ \ \ | | | |/ / / / | | |/| | | | | | | | | | | Signed-off-by: Junio C Hamano <gitster@pobox.com>
| | * | | | | Makefile: Change the default compiler from "gcc" to "cc"Ævar Arnfjörð Bjarmason2012-02-131-1/+1
| | |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ever since the very first commit to git.git we've been setting CC to "gcc". Presumably this is behavior that Linus copied from the Linux Makefile. However unlike Linux Git is written in ANSI C and supports a multitude of compilers, including Clang, Sun Studio, xlc etc. On my Linux box "cc" is a symlink to clang, and on a Solaris box I have access to "cc" is Sun Studio's CC. Both of these are perfectly capable of compiling Git, and it's annoying to have to specify CC=cc on the command-line when compiling Git when that's the default behavior of most other portable programs. So change the default to "cc". Users who want to compile with GCC can still add "CC=gcc" to the make(1) command-line, but those users who don't have GCC as their "cc" will see expected behavior, and as a bonus we'll be more likely to smoke out new compilation warnings from our distributors since they'll me using a more varied set of compilers by default. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | Merge branch 'tt/profile-build-fix'Junio C Hamano2012-02-121-18/+37
| |\ \ \ \ \ | | | |_|/ / | | |/| | | | | | | | | | | | | | | | | | | | | * tt/profile-build-fix: Makefile: fix syntax for older make Fix build problems related to profile-directed optimization
| | * | | | Makefile: fix syntax for older makett/profile-build-fixJohannes Sixt2012-02-091-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is necessary to write the else branch as a nested conditional. Also, write the conditions with parentheses because we use them throughout the Makefile. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| | * | | | Fix build problems related to profile-directed optimizationTheodore Ts'o2012-02-061-18/+35
| | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There was a number of problems I ran into when trying the profile-directed optimizations added by Andi Kleen in git commit 7ddc2710b9. (This was using gcc 4.4 found on many enterprise distros.) 1) The -fprofile-generate and -fprofile-use commands are incompatible with ccache; the code ends up looking in the wrong place for the gcda files based on the ccache object names. 2) If the makefile notices that CFLAGS are different, it will rebuild all of the binaries. Hence the recipe originally specified by the INSTALL file ("make profile-all" followed by "make install") doesn't work. It will appear to work, but the binaries will end up getting built with no optimization. This patch fixes this by using an explicit set of options passed via the PROFILE variable then using this to directly manipulate CFLAGS and EXTLIBS. The developer can run "make PROFILE=BUILD all ; sudo make PROFILE=BUILD install" automatically run a two-pass build with the test suite run in between as the sample workload for the purpose of recording profiling information to do the profile-directed optimization. Alternatively, the profiling version of binaries can be built using: make PROFILE=GEN PROFILE_DIR=/var/cache/profile all make PROFILE=GEN install and then after git has been used for a while, the optimized version of the binary can be built as follows: make PROFILE=USE PROFILE_DIR=/var/cache/profile all make PROFILE=USE install Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: Andi Kleen <ak@linux.intel.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | Merge branch 'mp/make-cleanse-x-for-exe'Junio C Hamano2012-02-121-0/+3
| |\ \ \ \ | | | |/ / | | |/| | | | | | | | | | | | * mp/make-cleanse-x-for-exe: Explicitly set X to avoid potential build breakage
| | * | | Explicitly set X to avoid potential build breakagemp/make-cleanse-x-for-exeMichael Palimaka2012-02-091-0/+3
| | | |/ | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | $X is appended to binary names for Windows builds (ie. git.exe). Pollution from the environment can inadvertently trigger this behaviour, resulting in 'git' turning into 'gitwhatever' without warning. Signed-off-by: Michael Palimaka <kensington@astralcloak.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| | * | Merge branch 'na/strtoimax' into maintJunio C Hamano2011-12-281-3/+3
| | |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * na/strtoimax: Support sizes >=2G in various config options accepting 'g' sizes. Compatibility: declare strtoimax() under NO_STRTOUMAX Add strtoimax() compatibility function.
* | | | | l10n: initial git.pot for 1.7.10 upcoming releaseJiang Xin2012-02-151-1/+0
|/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The file 'po/git.pot' is generated using the command 'make pot' against git v1.7.9-209-gb6b3b (Update draft release notes to 1.7.10). Since po/git.pot is tracked, remove the entry from .gitignore, and not delete the file again when doing 'make distclean'. Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
* | | | Merge branch 'jn/svn-fe'Junio C Hamano2012-02-071-19/+40
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * jn/svn-fe: (36 commits) vcs-svn: suppress a -Wtype-limits warning vcs-svn: allow import of > 4GiB files vcs-svn: rename check_overflow arguments for clarity vcs-svn/svndiff.c: squelch false "unused" warning from gcc vcs-svn: reset first_commit_done in fast_export_init vcs-svn: do not initialize report_buffer twice vcs-svn: avoid hangs from corrupt deltas vcs-svn: guard against overflow when computing preimage length vcs-svn: cap number of bytes read from sliding view test-svn-fe: split off "test-svn-fe -d" into a separate function vcs-svn: implement text-delta handling vcs-svn: let deltas use data from preimage vcs-svn: let deltas use data from postimage vcs-svn: verify that deltas consume all inline data vcs-svn: implement copyfrom_data delta instruction vcs-svn: read instructions from deltas vcs-svn: read inline data from deltas vcs-svn: read the preimage when applying deltas vcs-svn: parse svndiff0 window header vcs-svn: skeleton of an svn delta parser ...
| * \ \ \ Merge branch 'svn-fe' of git://repo.or.cz/git/jrn into jn/svn-feJunio C Hamano2012-01-271-19/+40
| |\ \ \ \ | | |_|_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This simplifies svn-fe a great deal and fulfills a longstanding wish: support for dumps with deltas in them, and incremental imports. The cost is that commandline usage of the svn-fe tool becomes a little more complicated since it no longer keeps state itself but instead reads blobs back from fast-import in order to copy them between revisions and apply deltas to them. Also removes a couple of custom data structures and replaces them with strbufs like other parts of Git. * 'svn-fe' of git://repo.or.cz/git/jrn: (32 commits) vcs-svn: reset first_commit_done in fast_export_init vcs-svn: do not initialize report_buffer twice vcs-svn: avoid hangs from corrupt deltas vcs-svn: guard against overflow when computing preimage length vcs-svn: cap number of bytes read from sliding view test-svn-fe: split off "test-svn-fe -d" into a separate function vcs-svn: implement text-delta handling vcs-svn: let deltas use data from preimage vcs-svn: let deltas use data from postimage vcs-svn: verify that deltas consume all inline data vcs-svn: implement copyfrom_data delta instruction vcs-svn: read instructions from deltas vcs-svn: read inline data from deltas vcs-svn: read the preimage when applying deltas vcs-svn: parse svndiff0 window header vcs-svn: skeleton of an svn delta parser vcs-svn: make buffer_read_binary API more convenient vcs-svn: learn to maintain a sliding view of a file Makefile: list one vcs-svn/xdiff object or header per line vcs-svn: avoid using ls command twice ... Conflicts: Makefile contrib/svn-fe/svn-fe.txt
| | * | | Merge branch 'db/delta-applier' into svn-feJonathan Nieder2011-06-151-14/+41
| | |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * db/delta-applier: vcs-svn: cap number of bytes read from sliding view test-svn-fe: split off "test-svn-fe -d" into a separate function vcs-svn: let deltas use data from preimage vcs-svn: let deltas use data from postimage vcs-svn: verify that deltas consume all inline data vcs-svn: implement copyfrom_data delta instruction vcs-svn: read instructions from deltas vcs-svn: read inline data from deltas vcs-svn: read the preimage when applying deltas vcs-svn: parse svndiff0 window header vcs-svn: skeleton of an svn delta parser vcs-svn: make buffer_read_binary API more convenient vcs-svn: learn to maintain a sliding view of a file Makefile: list one vcs-svn/xdiff object or header per line Conflicts: Makefile vcs-svn/LICENSE
| | | * | | vcs-svn: skeleton of an svn delta parserJonathan Nieder2011-03-271-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A delta in the subversion delta (svndiff0) format consists of the magic bytes SVN\0 followed by a sequence of windows of a certain well specified format (starting with five integers). Add an svndiff0_apply function and test-svn-fe -d commandline tool to parse such a delta in the special case of not including any windows. Later patches will add features to turn this into a fully functional delta applier for svn-fe to use to parse the streams produced by "svnrdump dump" and "svnadmin dump --deltas". The content of symlinks starts with the word "link " in Subversion's worldview, so we need to be able to prepend that text to input for the sake of delta application. So initialization of the input state of the delta preimage is left to the calling program, giving callers a chance to seed the buffer with text of their choice. Improved-by: Ramkumar Ramachandra <artagnon@gmail.com> Improved-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
| | | * | | vcs-svn: learn to maintain a sliding view of a fileJonathan Nieder2011-03-271-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Each section of a Subversion-format delta only requires examining (and keeping in random-access memory) a small portion of the preimage. At any moment, this portion starts at a certain file offset and has a well-defined length, and as the delta is applied, the portion advances from the beginning to the end of the preimage. Add a move_window function to keep track of this view into the preimage. You can use it like this: buffer_init(f, NULL); struct sliding_view window = SLIDING_VIEW_INIT(f); move_window(&window, 3, 7); /* (1) */ move_window(&window, 5, 5); /* (2) */ move_window(&window, 12, 2); /* (3) */ strbuf_release(&window.buf); buffer_deinit(f); The data structure is called sliding_view instead of _window to prevent confusion with svndiff0 Windows. In this example, (1) reads 10 bytes and discards the first 3; (2) discards the first 2, which are not needed any more; and (3) skips 2 bytes and reads 2 new bytes to work with. When move_window returns, the file position indicator is at position window->off + window->width and the data from positions window->off to the current file position are stored in window->buf. This function performs only sequential access from the input file and never seeks, so it can be safely used on pipes and sockets. On end-of-file, move_window silently reads less than the caller requested. On other errors, it prints a message and returns -1. Helped-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
| | | * | | Makefile: list one vcs-svn/xdiff object or header per lineJonathan Nieder2011-03-271-16/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As the svn import infrastructure evolves, it's getting to be a pain to tell by eye what files were added or removed from a dependency line like VCSSVN_OBJS = vcs-svn/string_pool.o vcs-svn/line_buffer.o \ vcs-svn/repo_tree.o vcs-svn/fast_export.o vcs-svn/svndump.o So use a style with one entry per line instead, like the existing BUILTIN_OBJS: # protect against environment VCSSVN_OBJS = ... VCSSVN_OBJS += vcs-svn/string_pool.o VCSSVN_OBJS += vcs-svn/line_buffer.o ... which is readable on its own and produces nice, clear diffs. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
| | * | | | Merge branch 'db/svn-fe-code-purge' into svn-feJonathan Nieder2011-05-261-10/+3
| | |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * db/svn-fe-code-purge: vcs-svn: drop obj_pool vcs-svn: drop treap vcs-svn: drop string_pool vcs-svn: pass paths through to fast-import Conflicts: vcs-svn/fast_export.c vcs-svn/fast_export.h vcs-svn/repo_tree.c vcs-svn/repo_tree.h vcs-svn/string_pool.c vcs-svn/svndump.c vcs-svn/trp.txt