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Linus Torvalds 926172c5e4 block-sha1: improve code on large-register-set machines 
For x86 performance (especially in 32-bit mode) I added that hack to write
the SHA1 internal temporary hash using a volatile pointer, in order to get
gcc to not try to cache the array contents. Because gcc will do all the
wrong things, and then spill things in insane random ways.

But on architectures like PPC, where you have 32 registers, it's actually
perfectly reasonable to put the whole temporary array[] into the register
set, and gcc can do so.

So make the 'volatile unsigned int *' cast be dependent on a
SMALL_REGISTER_SET preprocessor symbol, and enable it (currently) on just
x86 and x86-64.  With that, the routine is fairly reasonable even when
compared to the hand-scheduled PPC version. Ben Herrenschmidt reports on
a G5:

 * Paulus asm version:       about 3.67s
 * Yours with no change:     about 5.74s
 * Yours without "volatile": about 3.78s

so with this the C version is within about 3% of the asm one.

And add a lot of commentary on what the heck is going on.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
 		2009-08-10 17:26:51 -07:00
Documentation Merge branch 'sb/read-tree' 2009-08-05 12:40:07 -07:00
arm fix openssl headers conflicting with custom SHA1 implementations 2008-10-02 18:06:56 -07:00
block-sha1 block-sha1: improve code on large-register-set machines 2009-08-10 17:26:51 -07:00
compat MinGW: truncate exit()'s argument to lowest 8 bits 2009-07-05 12:16:26 -07:00
contrib Merge branch 'maint-1.6.3' into maint 2009-08-05 12:37:24 -07:00
git-gui Merge git://repo.or.cz/git-gui 2009-05-01 22:11:57 -07:00
gitk-git Merge git://git.kernel.org/pub/scm/gitk/gitk 2009-06-20 11:54:37 -07:00
gitweb Merge branch 'maint' 2009-08-05 12:37:40 -07:00
mozilla-sha1 fix openssl headers conflicting with custom SHA1 implementations 2008-10-02 18:06:56 -07:00
perl Git.pm: Always set Repository to absolute path if autodetecting 2009-05-09 08:25:55 -07:00
ppc fix openssl headers conflicting with custom SHA1 implementations 2008-10-02 18:06:56 -07:00
t Merge branch 'jc/apply-epoch-patch' 2009-08-05 12:40:00 -07:00
templates Merge branch 'hv/sample-update' 2009-05-23 01:39:15 -07:00
xdiff refactor: use bitsizeof() instead of 8 * sizeof() 2009-07-22 21:57:41 -07:00
.gitattributes .gitattributes: CR at the end of the line is an error 2009-06-21 10:42:37 -07:00
.gitignore Merge branch 'da/difftool' 2009-04-17 21:42:12 -07:00
.mailmap .mailmap update 2008-07-19 11:25:51 -07:00
COPYING
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GIT-VERSION-GEN Start 1.6.5 cycle 2009-07-29 09:33:29 -07:00
INSTALL Add support for a pdf version of the user manual 2008-12-10 19:17:43 -08:00
Makefile Add new optimized C 'block-sha1' routines 2009-08-05 19:28:21 -07:00
README README: fix path to "gitcvs-migration.txt" and be more consistent 2009-02-25 00:49:54 -08:00
RelNotes Start 1.6.5 cycle 2009-07-29 09:33:29 -07:00
abspath.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
alias.c Merge branch 'jk/maint-1.6.0-trace-argv' into maint 2009-05-25 19:03:20 -07:00
alloc.c Fix a bunch of pointer declarations (codestyle) 2009-05-01 15:17:31 -07:00
archive-tar.c archive-tar.c: squelch a type mismatch warning 2009-05-08 23:57:29 -07:00
archive-zip.c archive: remove unused headers 2008-07-19 11:17:43 -07:00
archive.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
archive.h archive: do not read .gitattributes in working directory 2009-04-17 21:05:49 -07:00
attr.c attr: plug minor memory leak 2009-06-30 16:12:24 -07:00
attr.h attr: add GIT_ATTR_INDEX "direction" 2009-04-17 21:05:49 -07:00
base85.c Fix big left-shifts of unsigned char 2009-06-18 09:22:46 -07:00
bisect.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
bisect.h bisect: add parameters to "filter_skipped" 2009-06-06 11:26:56 -07:00
blob.c
…
blob.h
…
branch.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
branch.h Make git-clone respect branch.autosetuprebase 2009-03-03 22:58:52 -08:00
builtin-add.c Add 'fill_directory()' helper function for directory traversal 2009-07-09 01:11:26 -07:00
builtin-annotate.c
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builtin-apply.c apply: notice creation/removal patches produced by GNU diff 2009-07-11 06:41:15 -07:00
builtin-archive.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
builtin-bisect--helper.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-blame.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
builtin-branch.c Merge branch 'maint' 2009-07-24 09:27:09 -07:00
builtin-bundle.c Start conforming code to "git subcmd" style 2008-08-30 13:50:48 -07:00
builtin-cat-file.c Merge branch 'sb/opt-filename' 2009-05-31 16:57:42 -07:00
builtin-check-attr.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-check-ref-format.c strbuf_check_branch_ref(): a helper to check a refname for a branch 2009-03-22 23:52:11 -07:00
builtin-checkout-index.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-checkout.c Merge branch 'lt/maint-diff-reduce-lstat' into maint 2009-05-25 19:04:08 -07:00
builtin-clean.c Add 'fill_directory()' helper function for directory traversal 2009-07-09 01:11:26 -07:00
builtin-clone.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
builtin-commit-tree.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
builtin-commit.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
builtin-config.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
builtin-count-objects.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-describe.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-diff-files.c Add cache preload facility 2008-11-14 19:11:49 -08:00
builtin-diff-index.c diff*: fix worktree setup 2008-08-28 20:50:10 -07:00
builtin-diff-tree.c Remove unused assignments 2009-03-14 13:36:34 -07:00
builtin-diff.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
builtin-fast-export.c git fast-export: add --no-data option 2009-07-31 07:48:09 -07:00
builtin-fetch--tool.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
builtin-fetch-pack.c fetch-pack: close output channel after sideband demultiplexer terminates 2009-06-08 21:18:41 -07:00
builtin-fetch.c quickfetch(): Prevent overflow of the rev-list command line 2009-07-10 23:53:17 -07:00
builtin-fmt-merge-msg.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
builtin-for-each-ref.c Merge branch 'ak/maint-for-each-ref-no-lookup' 2009-06-18 10:33:09 -07:00
builtin-fsck.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
builtin-gc.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-grep.c Merge branch 'rs/grep-p' 2009-07-09 00:59:58 -07:00
builtin-help.c Fix various sparse warnings in the git source code 2009-06-20 21:52:55 -07:00
builtin-http-fetch.c Merge branch 'ho/dashless' 2008-09-09 22:57:35 -07:00
builtin-init-db.c Merge branch 'ns/init-mkdir' 2009-08-05 12:39:33 -07:00
builtin-log.c show: add space between multiple items 2009-07-19 11:04:18 -07:00
builtin-ls-files.c Add 'fill_directory()' helper function for directory traversal 2009-07-09 01:11:26 -07:00
builtin-ls-remote.c git ls-remote: make usage string match manpage 2008-11-11 13:24:00 -08:00
builtin-ls-tree.c Produce a nicer output in case of sha1_object_info failures in ls-tree -l 2009-03-20 09:35:21 -07:00
builtin-mailinfo.c Revert "mailinfo: Remove only one set of square brackets" 2009-07-15 15:10:06 -07:00
builtin-mailsplit.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
builtin-merge-base.c git-merge-base/git-show-branch: Cleanup documentation and usage 2009-08-05 10:28:05 -07:00
builtin-merge-file.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-merge-ours.c git-merge-ours: make it a builtin. 2007-11-22 14:21:59 -08:00
builtin-merge-recursive.c MinGW: Fix compiler warning in merge-recursive 2009-05-23 01:54:45 -07:00
builtin-merge.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
builtin-mktree.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-mv.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
builtin-name-rev.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-pack-objects.c Merge branch 'js/maint-graft-unhide-true-parents' 2009-07-25 00:45:03 -07:00
builtin-pack-refs.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-prune-packed.c prune-packed: migrate to parse-options 2009-07-10 23:57:21 -07:00
builtin-prune.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-push.c push: do not give big warning when no preference is configured 2009-07-18 17:20:52 -07:00
builtin-read-tree.c read-tree: migrate to parse-options 2009-06-27 14:11:28 -07:00
builtin-receive-pack.c receive-pack: do not send error details to the client 2009-06-21 20:19:21 -07:00
builtin-reflog.c Better usage string for reflog. 2009-08-05 09:45:00 -07:00
builtin-remote.c Merge branch 'cf/maint-remote-uploadpack-useconfig-fix' 2009-07-01 19:40:54 -07:00
builtin-rerere.c replace direct calls to unlink(2) with unlink_or_warn 2009-04-29 18:37:41 -07:00
builtin-reset.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-rev-list.c bisect: add parameters to "filter_skipped" 2009-06-06 11:26:56 -07:00
builtin-rev-parse.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
builtin-revert.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
builtin-rm.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
builtin-send-pack.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
builtin-shortlog.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-show-branch.c git-merge-base/git-show-branch --merge-base: Documentation and test 2009-08-05 10:29:37 -07:00
builtin-show-ref.c show-ref: migrate to parse-options 2009-06-20 23:50:42 -07:00
builtin-stripspace.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
builtin-symbolic-ref.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-tag.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
builtin-tar-tree.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
builtin-unpack-objects.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
builtin-update-index.c Fix a bunch of pointer declarations (codestyle) 2009-05-01 15:17:31 -07:00
builtin-update-ref.c parse-opts: prepare for OPT_FILENAME 2009-05-25 01:07:25 -07:00
builtin-upload-archive.c Merge branch 'pb/maint-1.6.2-userdiff-fix' into maint 2009-06-21 21:08:05 -07:00
builtin-verify-pack.c verify-pack: migrate to parse-options 2009-07-10 23:57:20 -07:00
builtin-verify-tag.c verify-tag: migrate to parse-options 2009-07-10 23:57:15 -07:00
builtin-write-tree.c write-tree: migrate to parse-options 2009-07-10 23:56:40 -07:00
builtin.h build-in git-mktree 2009-05-10 12:41:35 -07:00
bundle.c Terminate argv with NULL before calling setup_revisions() 2009-05-21 08:56:24 -07:00
bundle.h Move bundle specific stuff into bundle.[ch] 2007-09-19 03:22:30 -07:00
cache-tree.c Improve on the 'invalid object' error message at commit time 2009-07-14 13:50:33 -07:00
cache-tree.h Optimize "diff-index --cached" using cache-tree 2009-05-25 11:35:29 -07:00
cache.h Merge branch 'js/maint-graft-unhide-true-parents' 2009-07-25 00:45:03 -07:00
check-builtins.sh
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check-racy.c ce_match_stat, run_diff_files: use symbolic constants for readability 2007-11-10 00:24:51 -08:00
check_bindir Move all dashed-form commands to libexecdir 2008-06-19 16:00:38 -07:00
color.c Clean up use of ANSI color sequences 2009-02-13 17:27:58 -08:00
color.h graph API: Added logic for colored edges 2009-04-13 22:41:25 -07:00
combine-diff.c Merge branch 'maint' 2009-07-22 21:56:46 -07:00
command-list.txt difftool: move 'git-difftool' out of contrib 2009-04-07 22:19:56 -07:00
commit.c Merge branch 'js/maint-graft-unhide-true-parents' 2009-07-25 00:45:03 -07:00
commit.h bisect: drop unparse_commit() and use clear_commit_marks() 2009-05-27 13:45:45 -07:00
config.c Merge branch 'maint-1.6.3' into maint 2009-08-05 12:37:24 -07:00
config.mak.in configure.ac: rework/fix the NEEDS_RESOLV and NEEDS_LIBGEN tests 2009-07-22 21:56:51 -07:00
configure.ac configure.ac: properly unset NEEDS_SSL_WITH_CRYPTO when sha1 func is missing 2009-07-22 21:57:41 -07:00
connect.c Fix various sparse warnings in the git source code 2009-06-20 21:52:55 -07:00
convert.c Replace calls to strbuf_init(&foo, 0) with STRBUF_INIT initializer 2008-10-12 12:36:19 -07:00
copy.c copy.c: copy_fd - correctly report write errors 2008-04-22 21:21:08 -07:00
csum-file.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
csum-file.h Merge branch 'maint' 2008-10-10 08:39:20 -07:00
ctype.c ctype.c: fix typo in comment 2009-05-01 16:07:29 -07:00
daemon.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
date.c Work around BSD whose typeof(tv.tv_sec) != time_t 2009-05-05 22:19:14 -07:00
decorate.c Unify signedness in hashing calls 2009-05-20 00:02:24 -07:00
decorate.h decorate: allow const objects to be decorated 2008-08-20 13:30:49 -07:00
delta.h Fix big left-shifts of unsigned char 2009-06-18 09:22:46 -07:00
diff-delta.c fix style of a few comments in diff-delta.c 2007-12-18 15:22:28 -08:00
diff-lib.c Merge branch 'jc/cache-tree' 2009-06-20 21:47:30 -07:00
diff-no-index.c Fix a bunch of pointer declarations (codestyle) 2009-05-01 15:17:31 -07:00
diff.c Merge branch 'rs/grep-p' 2009-07-09 00:59:58 -07:00
diff.h Use DIFF_XDL_SET/DIFF_OPT_SET instead of raw bit-masking 2009-03-04 00:56:51 -08:00
diffcore-break.c Remove unused function scope local variables 2009-03-07 20:52:17 -08:00
diffcore-delta.c optimize diffcore-delta by sorting hash entries. 2007-10-04 00:05:36 -07:00
diffcore-order.c Use xmemdupz() in many places. 2007-09-18 17:42:17 -07:00
diffcore-pickaxe.c pickaxe: count regex matches only once 2009-03-21 23:18:53 -07:00
diffcore-rename.c Fix typos / spelling in comments 2009-04-22 19:02:12 -07:00
diffcore.h Merge branch 'maint' 2008-11-02 16:36:40 -08:00
dir.c Avoid using 'lstat()' to figure out directories 2009-07-09 20:05:19 -07:00
dir.h Simplify read_directory[_recursive]() arguments 2009-07-09 01:11:28 -07:00
editor.c Replace calls to strbuf_init(&foo, 0) with STRBUF_INIT initializer 2008-10-12 12:36:19 -07:00
entry.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
environment.c Merge branch 'js/maint-graft-unhide-true-parents' 2009-07-25 00:45:03 -07:00
exec_cmd.c Merge branch 'js/maint-1.6.0-exec-path-env' into maint-1.6.1 2009-04-08 23:01:10 -07:00
exec_cmd.h Refactor git_set_argv0_path() to git_extract_argv0_path() 2009-01-26 00:26:05 -08:00
fast-import.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
fetch-pack.h Teach fetch-pack/upload-pack about --include-tag 2008-03-04 23:28:14 -08:00
fixup-builtins make remove-dashes: apply to scripts and programs as well, not just to builtins 2008-07-11 21:13:17 -07:00
fsck.c Allow the Unix epoch to be a valid commit date 2009-07-06 09:36:16 -07:00
fsck.h Fix typos / spelling in comments 2009-04-22 19:02:12 -07:00
generate-cmdlist.sh generate-cmdlist.sh: avoid selecting synopsis at wrong place 2008-11-30 18:16:32 -08:00
git-add--interactive.perl add -i: do not dump patch during application 2009-06-03 00:11:15 -07:00
git-am.sh Merge branch 'gb/am-foreign' 2009-07-06 09:38:33 -07:00
git-archimport.perl Make usage strings dash-less 2008-07-13 14:12:48 -07:00
git-bisect.sh bisect: make "git bisect" use new "--next-all" bisect-helper function 2009-05-10 14:30:33 -07:00
git-compat-util.h janitor: add DIV_ROUND_UP and use it. 2009-07-22 21:57:41 -07:00
git-cvsexportcommit.perl Avoid generating a warning if $fullname{$file} is undefined 2009-07-06 09:36:43 -07:00
git-cvsimport.perl Merge branch 'maint' 2008-08-05 21:21:08 -07:00
git-cvsserver.perl git-cvsserver: run post-update hook *after* update. 2009-01-30 21:11:46 -08:00
git-difftool--helper.sh mergetool--lib: simplify API usage by removing more global variables 2009-04-12 15:19:12 -07:00
git-difftool.perl Explain seemingly pointless use of system in difftool 2009-04-24 01:20:35 -07:00
git-filter-branch.sh Convert to use quiet option when available 2009-04-22 19:05:37 -07:00
git-instaweb.sh Trivial path quoting fixes in git-instaweb 2009-07-26 11:27:27 -07:00
git-lost-found.sh lost-found: use git rev-parse -q 2008-12-03 14:27:17 -08:00
git-merge-octopus.sh git-merge-octopus: use (merge-base A (merge B C D E...)) for stepwise merge 2008-07-30 00:20:51 -07:00
git-merge-one-file.sh Clarify kind of conflict in merge-one-file helper 2009-05-09 00:27:39 -07:00
git-merge-resolve.sh Convert to use quiet option when available 2009-04-22 19:05:37 -07:00
git-mergetool--lib.sh mergetool--lib: add support for araxis merge 2009-05-24 11:21:05 -07:00
git-mergetool.sh mergetool--lib: simplify API usage by removing more global variables 2009-04-12 15:19:12 -07:00
git-parse-remote.sh parse-remote: remove unused functions 2009-06-11 19:50:45 -07:00
git-pull.sh pull: support rebased upstream + fetch + pull --rebase 2009-07-19 10:29:38 -07:00
git-quiltimport.sh git-quiltimport: preserve standard input to be able to read user input 2009-02-25 00:49:13 -08:00
git-rebase--interactive.sh Fix rebase -p --onto 2009-07-22 11:15:06 -07:00
git-rebase.sh Merge branch 'sb/quiet-porcelains' 2009-07-01 19:40:50 -07:00
git-relink.perl Make usage strings dash-less 2008-07-13 14:12:48 -07:00
git-repack.sh Merge branch 'js/maint-graft-unhide-true-parents' 2009-07-25 00:45:03 -07:00
git-request-pull.sh request-pull: optionally show a patch as well 2009-07-29 11:02:49 -07:00
git-send-email.perl Merge branch 'maint-1.6.3' into maint 2009-08-05 12:37:24 -07:00
git-sh-setup.sh git-sh-setup: introduce say() for quiet options 2009-06-18 09:50:31 -07:00
git-stash.sh git stash: modernize use of "dashed" git-XXX calls 2009-07-22 21:57:41 -07:00
git-submodule.sh Merge branch 'sb/quiet-porcelains' 2009-07-01 19:40:50 -07:00
git-svn.perl git svn: make minimize URL more reliable over http(s) 2009-07-25 13:37:02 -07:00
git-web--browse.sh git: browsing paths with spaces when using the start command 2009-06-01 00:22:01 -07:00
git.c Merge branch 'js/run-command-updates' (early part) 2009-07-09 00:59:32 -07:00
git.spec.in Merge branch 'maint-1.6.0' into maint 2009-02-05 19:38:58 -08:00
graph.c janitor: use NULL and not 0 for pointers. 2009-07-22 21:57:41 -07:00
graph.h graph.c: make many functions static 2008-09-25 08:00:28 -07:00
grep.c grep: simplify -p output 2009-07-02 21:36:42 -07:00
grep.h grep -p: support user defined regular expressions 2009-07-01 19:16:50 -07:00
hash-object.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
hash.c Add 'const' where appropriate to index handling functions 2008-03-09 00:43:48 -08:00
hash.h Add 'const' where appropriate to index handling functions 2008-03-09 00:43:48 -08:00
help.c janitor: add DIV_ROUND_UP and use it. 2009-07-22 21:57:41 -07:00
help.h Merge branch 'ar/autospell' 2008-09-07 23:52:16 -07:00
http-push.c http-push: fix xml_entities() string parsing overrun 2009-07-06 09:36:08 -07:00
http-walker.c Merge branch 'rc/maint-http-local-slot-fix' into maint 2009-06-21 21:15:31 -07:00
http.c Merge branch 'ml/http' 2009-07-09 01:00:36 -07:00
http.h http*: add helper methods for fetching objects (loose) 2009-06-06 11:03:11 -07:00
ident.c Add backslash to list of 'crud' characters in real name 2008-12-02 15:29:13 -08:00
imap-send.c Fix various sparse warnings in the git source code 2009-06-20 21:52:55 -07:00
index-pack.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
levenshtein.c Fix typos / spelling in comments 2009-04-22 19:02:12 -07:00
levenshtein.h git wrapper: DWIM mistyped commands 2008-08-31 10:14:58 -07:00
list-objects.c Merge branch 'lt/pack-object-memuse' 2009-04-18 14:46:17 -07:00
list-objects.h Merge branch 'lt/pack-object-memuse' 2009-04-18 14:46:17 -07:00
ll-merge.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
ll-merge.h merge-recursive: split low-level merge functions out. 2008-02-18 00:46:13 -08:00
lockfile.c Merge branch 'ar/unlink-err' into maint 2009-05-25 19:01:50 -07:00
log-tree.c log-tree: fix confusing comment 2009-07-01 11:16:54 -07:00
log-tree.h format-patch: --attach/inline uses filename instead of SHA1 2009-03-22 21:45:19 -07:00
mailmap.c Fix various sparse warnings in the git source code 2009-06-20 21:52:55 -07:00
mailmap.h Add map_user() and clear_mailmap() to mailmap 2009-02-08 12:36:38 -08:00
match-trees.c Improved const correctness for strings 2007-10-21 01:43:27 -04:00
merge-file.c Always initialize xpparam_t to 0 2008-10-25 12:09:31 -07:00
merge-index.c Simplify some instances of run_command() by using run_command_v_opt(). 2009-06-09 00:15:57 -07:00
merge-recursive.c Merge branch 'tr/die_errno' 2009-07-06 09:39:46 -07:00
merge-recursive.h merge-recursive: move current_{file,directory}_set to struct merge_options 2008-09-04 22:50:43 -07:00
merge-tree.c Replace deprecated dashed git commands in usage 2009-02-04 15:08:49 -08:00
mktag.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
name-hash.c Make hash_name_lookup able to do case-independent lookups 2008-04-09 01:22:25 -07:00
object.c Unify signedness in hashing calls 2009-05-20 00:02:24 -07:00
object.h Merge branch 'js/maint-all-implies-HEAD' into maint 2009-02-05 17:54:12 -08:00
pack-check.c Don't expect verify_pack() callers to set pack_size 2009-06-06 10:56:27 -07:00
pack-redundant.c Add calls to git_extract_argv0_path() in programs that call git_config_* 2009-01-26 00:26:05 -08:00
pack-refs.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
pack-refs.h Move pack_refs() and friends into libgit 2008-06-19 15:53:13 -07:00
pack-revindex.c janitor: useless checks before free 2009-07-22 21:57:41 -07:00
pack-revindex.h discard revindex data when pack list changes 2008-08-22 22:00:22 -07:00
pack-write.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
pack.h improve reliability of fixup_pack_header_footer() 2008-08-29 21:51:27 -07:00
pager.c pager: do wait_for_pager on signal death 2009-01-21 22:46:53 -08:00
parse-options.c parse-opt: optionally show "--no-" option string 2009-07-31 07:47:38 -07:00
parse-options.h parse-opt: optionally show "--no-" option string 2009-07-31 07:47:38 -07:00
patch-delta.c Fix big left-shifts of unsigned char 2009-06-18 09:22:46 -07:00
patch-id.c Replace deprecated dashed git commands in usage 2009-02-04 15:08:49 -08:00
patch-ids.c patch-ids: use the new generic "sha1_pos" function to lookup sha1 2009-04-04 22:57:42 -07:00
patch-ids.h
…
path.c diff: generate pretty filenames in prep_temp_blob() 2009-05-31 17:57:59 -07:00
pkt-line.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
pkt-line.h
…
preload-index.c janitor: add DIV_ROUND_UP and use it. 2009-07-22 21:57:41 -07:00
pretty.c Use 'UTF-8' rather than 'utf-8' everywhere for backward compatibility 2009-05-18 20:53:12 -07:00
progress.c progress bar: round to the nearest instead of truncating down 2009-04-25 08:54:18 -07:00
progress.h nicer display of thin pack completion 2007-11-08 15:43:41 -08:00
quote.c Fix various sparse warnings in the git source code 2009-06-20 21:52:55 -07:00
quote.h quote: add "sq_dequote_to_argv" to put unwrapped args in an argv array 2009-03-30 01:22:53 -07:00
reachable.c process_{tree,blob}: Remove useless xstrdup calls 2009-04-08 22:58:43 -07:00
reachable.h
…
read-cache.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
reflog-walk.c Fix a bunch of pointer declarations (codestyle) 2009-05-01 15:17:31 -07:00
reflog-walk.h make oneline reflog dates more consistent with multiline format 2009-03-20 00:57:27 -07:00
refs.c Merge branch 'maint' 2009-07-24 09:27:09 -07:00
refs.h Change prettify_ref to prettify_refname 2009-05-13 20:55:48 -07:00
remote.c Merge branch 'cb/maint-fetch-refspec-wo-dst' 2009-07-06 09:39:38 -07:00
remote.h Merge branch 'mg/pushurl' 2009-06-20 21:47:27 -07:00
rerere.c replace direct calls to unlink(2) with unlink_or_warn 2009-04-29 18:37:41 -07:00
rerere.h rerere: remove duplicated functions 2009-02-14 21:27:35 -08:00
revision.c Make 'git show' more useful 2009-07-14 13:50:29 -07:00
revision.h git log: add '--merges' flag to match '--no-merges' 2009-06-29 12:32:51 -07:00
run-command.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
run-command.h fix portability problem with IS_RUN_COMMAND_ERR 2009-04-01 11:05:54 -07:00
send-pack.h allow OFS_DELTA objects during a push 2009-05-01 22:06:41 -07:00
server-info.c Merge branch 'ar/unlink-err' into maint 2009-05-25 19:01:50 -07:00
setup.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
sha1-lookup.c sha1-lookup: fix up the assertion message 2009-04-06 00:56:27 -07:00
sha1-lookup.h sha1-lookup: add new "sha1_pos" function to efficiently lookup sha1 2009-04-04 22:57:39 -07:00
sha1_file.c refactor: use bitsizeof() instead of 8 * sizeof() 2009-07-22 21:57:41 -07:00
sha1_name.c sha1_name.c: avoid unnecessary strbuf_release 2009-07-16 15:09:21 -07:00
shallow.c Merge branch 'mk/maint-parse-careful' 2008-02-18 20:56:01 -08:00
shell.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
shortlog.h Rename path_list to string_list 2008-07-21 19:11:50 -07:00
show-index.c Fix some warnings (on cygwin) to allow -Werror 2008-07-05 17:26:29 -07:00
sideband.c recv_sideband: Bands #2 and #3 always go to stderr 2009-03-10 23:23:02 -07:00
sideband.h recv_sideband: Bands #2 and #3 always go to stderr 2009-03-10 23:23:02 -07:00
sigchain.c refactor signal handling for cleanup functions 2009-01-21 22:46:53 -08:00
sigchain.h refactor signal handling for cleanup functions 2009-01-21 22:46:53 -08:00
strbuf.c fread does not return negative on error 2009-06-23 16:57:15 -07:00
strbuf.h Fix typos / spelling in comments 2009-04-22 19:02:12 -07:00
string-list.c string-list: new for_each_string_list() function 2009-02-27 15:19:08 -08:00
string-list.h string-list: new for_each_string_list() function 2009-02-27 15:19:08 -08:00
symlinks.c Export thread-safe version of 'has_symlink_leading_path()' 2009-07-09 20:05:19 -07:00
tag.c Merge branch 'mk/maint-parse-careful' 2008-03-02 15:11:07 -08:00
tag.h
…
tar.h
…
test-chmtime.c test-chmtime: work around Windows limitation 2009-06-01 00:10:08 -07:00
test-ctype.c Add is_regex_special() 2009-01-17 18:30:41 -08:00
test-date.c
…
test-delta.c
…
test-dump-cache-tree.c add test-dump-cache-tree in Makefile 2009-02-03 22:11:44 -08:00
test-genrandom.c test-genrandom: Add newline to usage string 2009-04-23 01:29:00 -07:00
test-match-trees.c
…
test-parse-options.c Fix various sparse warnings in the git source code 2009-06-20 21:52:55 -07:00
test-path-utils.c Introduce the function strip_path_suffix() 2009-02-19 22:45:48 -08:00
test-sha1.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
test-sha1.sh more tr portability test script fixes 2008-03-13 00:57:52 -07:00
test-sigchain.c t0005: use SIGTERM for sigchain test 2009-01-30 01:14:26 -08:00
thread-utils.c pack-objects: Add runtime detection of online CPU's 2008-02-23 12:00:32 -08:00
thread-utils.h pack-objects: Add runtime detection of online CPU's 2008-02-23 12:00:32 -08:00
trace.c trace: Fixed a minor typo in an error message. 2009-02-25 00:49:53 -08:00
transport.c Merge branch 'ld/push-porcelain-output-format' 2009-07-09 01:07:54 -07:00
transport.h add --porcelain option to git-push 2009-06-27 22:26:58 -07:00
tree-diff.c Merge branch 'ne/maint-1.6.0-diff-tree-t-r-show-directory' 2009-07-01 19:40:47 -07:00
tree-walk.c Fix tree-walking compare_entry() in the presense of --prefix 2008-03-09 00:43:47 -08:00
tree-walk.h Make 'traverse_trees()' traverse conflicting DF entries in parallel 2008-03-09 00:43:47 -08:00
tree.c Fix off-by-one in read_tree_recursive 2009-04-20 13:44:14 -07:00
tree.h add context pointer to read_tree_recursive() 2008-07-15 07:17:59 -07:00
unimplemented.sh Makefile: allow building without perl 2009-04-08 22:14:56 -07:00
unpack-file.c Use die_errno() instead of die() when checking syscalls 2009-06-27 11:14:53 -07:00
unpack-trees.c Merge branch 'maint' 2009-07-18 16:57:47 -07:00
unpack-trees.h read-tree: migrate to parse-options 2009-06-27 14:11:28 -07:00
update-server-info.c Add calls to git_extract_argv0_path() in programs that call git_config_* 2009-01-26 00:26:05 -08:00
upload-pack.c Merge branch 'ne/futz-upload-pack' 2009-08-05 12:38:29 -07:00
usage.c die_errno(): double % in strerror() output just in case 2009-06-27 11:14:53 -07:00
userdiff.c avoid exponential regex match for java and objc function names 2009-06-18 09:52:10 -07:00
userdiff.h color-words: make regex configurable via attributes 2009-01-17 10:44:21 -08:00
utf8.c On Solaris choose the OLD_ICONV iconv() declaration based on the UNIX spec 2009-06-06 13:21:05 -07:00
utf8.h utf8: add utf8_strwidth() 2009-02-04 16:30:43 -08:00
var.c Add calls to git_extract_argv0_path() in programs that call git_config_* 2009-01-26 00:26:05 -08:00
walker.c janitor: useless checks before free 2009-07-22 21:57:41 -07:00
walker.h Make walker.fetch_ref() take a struct ref. 2008-04-26 17:36:17 -07:00
wrapper.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
write_or_die.c Convert existing die(..., strerror(errno)) to die_errno() 2009-06-27 11:14:53 -07:00
ws.c Fix severe breakage in "git-apply --whitespace=fix" 2009-07-25 01:29:20 -07:00
wt-status.c Add 'fill_directory()' helper function for directory traversal 2009-07-09 01:11:26 -07:00
wt-status.h Add argument 'no' commit/status option -u|--untracked-files 2008-06-09 15:48:19 -07:00
xdiff-interface.c userdiff: add xdiff_clear_find_func() 2009-07-01 19:16:37 -07:00
xdiff-interface.h userdiff: add xdiff_clear_find_func() 2009-07-01 19:16:37 -07:00

README 

////////////////////////////////////////////////////////////////

	GIT - the stupid content tracker

////////////////////////////////////////////////////////////////

"git" can mean anything, depending on your mood.

 - random three-letter combination that is pronounceable, and not
   actually used by any common UNIX command.  The fact that it is a
   mispronunciation of "get" may or may not be relevant.
 - stupid. contemptible and despicable. simple. Take your pick from the
   dictionary of slang.
 - "global information tracker": you're in a good mood, and it actually
   works for you. Angels sing, and a light suddenly fills the room.
 - "goddamn idiotic truckload of sh*t": when it breaks

Git is a fast, scalable, distributed revision control system with an
unusually rich command set that provides both high-level operations
and full access to internals.

Git is an Open Source project covered by the GNU General Public License.
It was originally written by Linus Torvalds with help of a group of
hackers around the net. It is currently maintained by Junio C Hamano.

Please read the file INSTALL for installation instructions.

See Documentation/gittutorial.txt to get started, then see
Documentation/everyday.txt for a useful minimum set of commands, and
Documentation/git-commandname.txt for documentation of each command.
If git has been correctly installed, then the tutorial can also be
read with "man gittutorial" or "git help tutorial", and the
documentation of each command with "man git-commandname" or "git help
commandname".

CVS users may also want to read Documentation/gitcvs-migration.txt
("man gitcvs-migration" or "git help cvs-migration" if git is
installed).

Many Git online resources are accessible from http://git.or.cz/
including full documentation and Git related tools.

The user discussion and development of Git take place on the Git
mailing list -- everyone is welcome to post bug reports, feature
requests, comments and patches to git@vger.kernel.org. To subscribe
to the list, send an email with just "subscribe git" in the body to
majordomo@vger.kernel.org. The mailing list archives are available at
http://marc.theaimsgroup.com/?l=git and other archival sites.

The messages titled "A note from the maintainer", "What's in
git.git (stable)" and "What's cooking in git.git (topics)" and
the discussion following them on the mailing list give a good
reference for project status, development direction and
remaining tasks.