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Jeff King ca9199300e get_packed_ref_cache: reload packed-refs file when it changes 
Once we read the packed-refs file into memory, we cache it
to save work on future ref lookups. However, our cache may
be out of date with respect to what is on disk if another
process is simultaneously packing the refs. Normally it
is acceptable for us to be a little out of date, since there
is no guarantee whether we read the file before or after the
simultaneous update. However, there is an important special
case: our packed-refs file must be up to date with respect
to any loose refs we read. Otherwise, we risk the following
race condition:

  0. There exists a loose ref refs/heads/master.

  1. Process A starts and looks up the ref "master". It
     first checks $GIT_DIR/master, which does not exist. It
     then loads (and caches) the packed-refs file to see if
     "master" exists in it, which it does not.

  2. Meanwhile, process B runs "pack-refs --all --prune". It
     creates a new packed-refs file which contains
     refs/heads/master, and removes the loose copy at
     $GIT_DIR/refs/heads/master.

  3. Process A continues its lookup, and eventually tries
     $GIT_DIR/refs/heads/master.  It sees that the loose ref
     is missing, and falls back to the packed-refs file. But
     it examines its cached version, which does not have
     refs/heads/master. After trying a few other prefixes,
     it reports master as a non-existent ref.

There are many variants (e.g., step 1 may involve process A
looking up another ref entirely, so even a fully qualified
refname can fail). One of the most interesting ones is if
"refs/heads/master" is already packed. In that case process
A will not see it as missing, but rather will report
whatever value happened to be in the packed-refs file before
process B repacked (which might be an arbitrarily old
value).

We can fix this by making sure we reload the packed-refs
file from disk after looking at any loose refs. That's
unacceptably slow, so we can check its stat()-validity as a
proxy, and read it only when it appears to have changed.

Reading the packed-refs file after performing any loose-ref
system calls is sufficient because we know the ordering of
the pack-refs process: it always makes sure the newly
written packed-refs file is installed into place before
pruning any loose refs. As long as those operations by B
appear in their executed order to process A, by the time A
sees the missing loose ref, the new packed-refs file must be
in place.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-20 15:50:17 -07:00
block-sha1 Merge branch 'jn/block-sha1' into maint 2012-08-06 15:40:00 -07:00
builtin Extract a struct stat_data from cache_entry 2013-06-20 15:50:17 -07:00
compat Merge branch 'rj/mingw-cygwin' 2013-06-11 13:30:20 -07:00
contrib Merge branch 'rr/remove-contrib-some' 2013-06-14 08:45:57 -07:00
Documentation Merge branch 'kb/full-history-compute-treesame-carefully-2' 2013-06-14 08:45:59 -07:00
git-gui git-gui 0.17.0 2012-10-17 15:55:46 -07:00
git_remote_helpers git_remote_helpers: remove GIT-PYTHON-VERSION upon "clean" 2013-01-30 12:34:55 -08:00
gitk-git Merge git://ozlabs.org/~paulus/gitk 2013-05-17 11:55:02 -07:00
gitweb gitweb: fix problem causing erroneous project list 2013-06-07 09:37:16 -07:00
mergetools Sync with v1.8.2.3 2013-05-09 13:32:54 -07:00
perl git-svn: added an --include-path flag 2013-05-09 01:13:36 +00:00
po l10n: zh_CN.po: translate 44 messages (2080t0f0u) 2013-05-08 08:13:32 +08:00
ppc fix openssl headers conflicting with custom SHA1 implementations 2008-10-02 18:06:56 -07:00
t Merge branch 'kb/full-history-compute-treesame-carefully-2' 2013-06-14 08:45:59 -07:00
templates pre-push.sample: Make the script executable 2013-06-11 11:22:00 -07:00
vcs-svn remote-svn: add incremental import 2012-10-07 14:10:17 -07:00
xdiff Correct common spelling mistakes in comments and tests 2013-04-12 13:38:40 -07:00
.gitattributes git-gui: set whitespace warnings appropriate to this project 2011-11-30 11:35:28 +00:00
.gitignore Provide a Windows version resource for the git executables. 2013-06-04 10:11:08 +01:00
.mailmap mailmap: update Pasky's address 2013-04-04 13:03:34 -07:00
abspath.c mingw: rename WIN32 cpp macro to GIT_WINDOWS_NATIVE 2013-05-08 12:14:35 -07:00
aclocal.m4
advice.c Merge branch 'nd/warn-ambiguous-object-name' 2013-06-11 13:31:07 -07:00
advice.h Merge branch 'nd/warn-ambiguous-object-name' 2013-06-11 13:31:07 -07:00
alias.c
alloc.c unbreak and eliminate NO_C99_FORMAT 2011-03-17 15:30:49 -07:00
archive-tar.c archive-tar: use parse_config_key when parsing config 2013-01-23 08:41:50 -08:00
archive-zip.c Merge branch 'sb/archive-zip-double-assignment-fix' 2013-06-06 12:19:04 -07:00
archive.c archive: handle commits with an empty tree 2013-03-10 22:25:22 -07:00
archive.h archive: delegate blob reading to backend 2012-05-03 10:22:56 -07:00
argv-array.c Merge branch 'fa/remote-svn' 2012-10-25 06:42:02 -04:00
argv-array.h Merge branch 'fa/remote-svn' 2012-10-25 06:42:02 -04:00
attr.c Merge branch 'lf/read-blob-data-from-index' 2013-04-21 18:39:45 -07:00
attr.h correct a few doubled-word nits in comments and documentation 2012-03-28 11:18:35 -07:00
base85.c
bisect.c register_ref(): make a copy of the bad reference SHA-1 2013-06-02 15:28:47 -07:00
bisect.h Move print_commit_list to libgit.a 2012-10-29 03:08:30 -04:00
blob.c
blob.h
branch.c Merge branch 'jh/checkout-auto-tracking' 2013-05-29 14:23:10 -07:00
branch.h checkout: suppress tracking message with "-q" 2012-03-26 21:32:43 -07:00
builtin.h prune-packed: avoid implying "1" is DRY_RUN in prune_packed_objects() 2013-05-28 09:20:54 -07:00
bulk-checkin.c bulk-checkin: replace fast-import based implementation 2011-12-01 11:46:09 -08:00
bulk-checkin.h bulk-checkin: replace fast-import based implementation 2011-12-01 11:46:09 -08:00
bundle.c object_array_entry: fix memory handling of the name field 2013-06-02 15:28:46 -07:00
bundle.h Merge branch 'jc/unseekable-bundle' 2011-10-21 16:04:32 -07:00
cache-tree.c cache-tree: invalidate i-t-a paths after generating trees 2012-12-15 23:04:22 -08:00
cache-tree.h cache-tree: fix writing cache-tree when CE_REMOVE is present 2012-12-15 23:04:22 -08:00
cache.h add a stat_validity struct 2013-06-20 15:50:17 -07:00
check-builtins.sh cherry is built-in, do not ship git-cherry.sh 2006-11-05 11:26:21 -08:00
check-racy.c
check_bindir
color.c want_color: automatically fallback to color.ui 2011-08-19 15:51:38 -07:00
color.h want_color: automatically fallback to color.ui 2011-08-19 15:51:38 -07:00
column.c column: support piping stdout to external git-column process 2012-04-27 09:26:38 -07:00
column.h column: support piping stdout to external git-column process 2012-04-27 09:26:38 -07:00
combine-diff.c Merge branch 'cb/log-follow-with-combined' 2013-06-11 13:30:36 -07:00
command-list.txt Merge branch 'as/check-ignore' 2013-01-23 21:19:10 -08:00
commit.c Sync with 'maint' 2013-04-12 13:54:01 -07:00
commit.h fetch-pack: prepare updated shallow file before fetching the pack 2013-05-28 08:06:08 -07:00
config.c Merge branch 'jc/core-checkstat' 2013-06-05 14:53:07 -07:00
config.mak.in Merge branch 'jc/remove-export-from-config-mak-in' 2013-04-01 09:00:02 -07:00
config.mak.uname Merge branch 'rj/mingw-cygwin' 2013-06-11 13:30:20 -07:00
configure.ac Revert "compat: add strtok_r()" 2013-02-26 09:16:58 -08:00
connect.c Merge branch 'nd/clone-local-with-colon' 2013-06-02 15:52:22 -07:00
connected.c clone: open a shortcut for connectivity check 2013-05-28 08:07:20 -07:00
connected.h clone: open a shortcut for connectivity check 2013-05-28 08:07:20 -07:00
convert.c Merge branch 'lf/read-blob-data-from-index' 2013-04-21 18:39:45 -07:00
convert.h teach convert_to_git a "dry run" mode 2012-02-24 14:11:27 -08:00
copy.c preserve mtime of local clone 2009-09-13 01:32:26 -07:00
COPYING
credential-cache--daemon.c credentials: add "cache" helper 2011-12-11 23:16:25 -08:00
credential-cache.c credential-cache: ignore "connection refused" errors 2012-01-16 22:15:19 -08:00
credential-store.c sparse: Fix mingw_main() argument number/type errors 2013-04-28 12:32:08 -07:00
credential.c credential: convert "url" attribute into its parsed subparts 2012-07-18 13:26:58 -07:00
credential.h git credential fill: output the whole 'struct credential' 2012-06-25 11:56:24 -07:00
csum-file.c csum-file: introduce sha1file_checkpoint 2011-11-30 14:27:59 -08:00
csum-file.h csum-file: introduce sha1file_checkpoint 2011-11-30 14:27:59 -08:00
ctype.c ctype: support iscntrl, ispunct, isxdigit and isprint 2012-10-15 14:58:16 -07:00
daemon.c Merge branch 'jk/pkt-line-cleanup' 2013-04-01 08:59:37 -07:00
date.c Merge branch 'jc/prune-all' 2013-05-29 14:23:04 -07:00
decorate.c decorate.c: compact table when growing 2013-05-16 11:51:08 -07:00
decorate.h decorate: allow const objects to be decorated 2008-08-20 13:30:49 -07:00
delta.h
diff-delta.c
diff-lib.c diff-lib, read-tree, unpack-trees: mark cache_entry array paramters const 2013-06-02 15:31:14 -07:00
diff-no-index.c mingw: rename WIN32 cpp macro to GIT_WINDOWS_NATIVE 2013-05-08 12:14:35 -07:00
diff.c Merge branch 'jk/diff-algo-finishing-touches' into maint 2013-04-24 16:19:42 -07:00
diff.h Merge branch 'mp/diff-algo-config' 2013-02-17 15:25:52 -08:00
diffcore-break.c diffcore-break: don't divide by zero 2013-04-03 12:48:02 -07:00
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c diffcore-pickaxe: make error messages more consistent 2013-06-03 10:50:22 -07:00
diffcore-rename.c Preallocate hash tables when the number of inserts are known in advance 2013-03-16 22:57:29 -07:00
diffcore.h Merge branch 'jk/maint-null-in-trees' into maint-1.7.11 2012-09-10 15:24:54 -07:00
dir.c Merge branch 'jn/config-ignore-inaccessible' into maint 2013-06-09 17:06:56 -07:00
dir.h dir.c: git-status --ignored: don't scan the work tree twice 2013-04-15 12:36:42 -07:00
editor.c run-command: encode signal death as a positive integer 2013-01-06 11:09:18 -08:00
entry.c Merge branch 'jk/check-corrupt-objects-carefully' 2013-04-03 09:34:29 -07:00
environment.c Merge branch 'jk/alias-in-bare' into maint 2013-04-03 09:25:41 -07:00
exec_cmd.c run-command: treat inaccessible directories as ENOENT 2012-04-05 16:24:13 -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 Merge branch 'fc/fast-export-persistent-marks' 2013-06-02 15:48:28 -07:00
fetch-pack.c clone: open a shortcut for connectivity check 2013-05-28 08:07:20 -07:00
fetch-pack.h clone: open a shortcut for connectivity check 2013-05-28 08:07:20 -07:00
fixup-builtins
fmt-merge-msg.h fmt-merge-msg: use branch.$name.description 2011-10-07 10:11:47 -07:00
fsck.c fsck: warn about ".git" in trees 2012-11-28 13:52:54 -08:00
fsck.h
generate-cmdlist.sh i18n: help: mark strings for translation 2012-04-24 14:55:48 -07:00
gettext.c fetch: align per-ref summary report in UTF-8 locales 2012-09-14 12:45:50 -07:00
gettext.h Merge branch 'nd/fetch-status-alignment' 2012-09-18 14:35:55 -07:00
git-add--interactive.perl Correct common spelling mistakes in comments and tests 2013-04-12 13:38:40 -07:00
git-am.sh am: return control to caller, for housekeeping 2013-05-12 23:20:07 -07:00
git-archimport.perl git-archimport: use a lowercase "usage:" string 2013-02-24 13:31:06 -08:00
git-bisect.sh bisect: Fix log output for multi-parent skip ranges 2013-05-22 15:40:43 -07:00
git-compat-util.h Merge branch 'rj/mingw-cygwin' 2013-06-11 13:30:20 -07:00
git-cvsexportcommit.perl git-cvsexportcommit: use a lowercase "usage:" string 2013-02-24 13:31:07 -08:00
git-cvsimport.perl git-cvsimport: use a lowercase "usage:" string 2013-02-24 13:31:07 -08:00
git-cvsserver.perl Correct common spelling mistakes in comments and tests 2013-04-12 13:38:40 -07:00
git-difftool--helper.sh difftool--helper: fix printf usage 2013-02-10 11:35:50 -08:00
git-difftool.perl difftool --dir-diff: allow changing any clean working tree file 2013-05-29 12:50:08 -07:00
git-filter-branch.sh Merge branch 'jk/filter-branch-come-back-to-original' into maint 2013-04-22 11:26:55 -07:00
git-instaweb.sh
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-one-file.sh Merge branch 'kb/p4merge' 2013-03-26 13:15:24 -07:00
git-merge-resolve.sh
git-mergetool--lib.sh doc: generate a list of valid merge tools 2013-02-02 21:46:52 -08:00
git-mergetool.sh Merge branch 'al/mergetool-printf-fix' 2013-02-14 10:29:37 -08:00
git-p4.py git p4: avoid expanding client paths in chdir 2013-03-11 15:03:11 -07:00
git-parse-remote.sh push/pull: adjust missing upstream help text to changed interface 2012-11-08 11:32:38 -05:00
git-pull.sh merge/pull: verify GPG signatures of commits being merged 2013-03-31 19:23:59 -07:00
git-quiltimport.sh Correct common spelling mistakes in comments and tests 2013-04-12 13:38:40 -07:00
git-rebase--am.sh am: return control to caller, for housekeeping 2013-05-12 23:20:07 -07:00
git-rebase--interactive.sh rebase -i: return control to caller, for housekeeping 2013-05-12 23:20:07 -07:00
git-rebase--merge.sh rebase --merge: return control to caller, for housekeeping 2013-05-12 23:20:08 -07:00
git-rebase.sh rebase: implement --[no-]autostash and rebase.autostash 2013-05-29 10:34:54 -07:00
git-relink.perl git-relink: use a lowercase "usage:" string 2013-02-24 13:31:06 -08:00
git-remote-testgit.sh Merge branch 'js/transport-helper-error-reporting-fix' 2013-05-29 14:20:25 -07:00
git-remote-testpy.py git-remote-testpy: fix path hashing on Python 3 2013-01-28 09:55:14 -08:00
git-repack.sh gc: do not explode objects which will be immediately pruned 2012-04-11 11:09:49 -07:00
git-request-pull.sh request-pull: really favor a matching tag 2012-06-01 12:38:19 -07:00
git-send-email.perl send-email: remove warning about unset chainreplyto 2013-05-28 11:17:15 -07:00
git-sh-i18n.sh i18n: fix auto detection of gettext scheme for shell scripts 2012-03-12 14:41:15 -07:00
git-sh-setup.sh Merge branch 'kb/p4merge' 2013-03-26 13:15:24 -07:00
git-stash.sh Merge branch 'ph/stash-rerere' into maint-1.7.11 2012-09-11 11:10:12 -07:00
git-submodule.sh Merge branch 'jl/submodule-deinit' 2013-04-05 14:15:13 -07:00
git-svn.perl Fix git svn rebase & dcommit if top-level HEAD directory exist 2013-06-12 13:38:48 -07:00
GIT-VERSION-GEN Git 1.8.3.1 2013-06-10 12:34:42 -07:00
git-web--browse.sh git-web--browse: recognize any TERM_PROGRAM as a GUI terminal on OS X 2013-03-29 15:24:31 -07:00
git.c Merge branch 'nd/clone-connectivity-shortcut' 2013-06-06 12:17:55 -07:00
git.rc Provide a Windows version resource for the git executables. 2013-06-04 10:11:08 +01:00
git.spec.in spec: add missing build dependency 2012-04-06 10:15:11 -07:00
gpg-interface.c Merge branch 'mg/gpg-interface-using-status' into maint 2013-04-03 09:26:27 -07:00
gpg-interface.h merge/pull Check for untrusted good GPG signatures 2013-03-31 22:38:49 -07:00
graph.c Revert "graph.c: mark private file-scope symbols as static" 2013-03-03 19:43:54 -08:00
graph.h Revert "graph.c: mark private file-scope symbols as static" 2013-03-03 19:43:54 -08:00
grep.c fix clang -Wtautological-compare with unsigned enum 2013-02-25 07:35:55 -08:00
grep.h fix clang -Wtautological-compare with unsigned enum 2013-02-25 07:35:55 -08:00
hash.c
hash.h Preallocate hash tables when the number of inserts are known in advance 2013-03-16 22:57:29 -07:00
help.c Merge branch 'rj/mingw-cygwin' 2013-06-11 13:30:20 -07:00
help.h help: add help_unknown_ref() 2013-05-08 15:31:54 -07:00
hex.c get_sha1_hex(): do not read past a NUL character 2011-10-05 13:45:16 -07:00
http-backend.c show_head_ref(): rename first parameter to "refname" 2013-06-02 15:28:47 -07:00
http-fetch.c Merge branch 'ab/enable-i18n' 2011-12-19 16:06:41 -08:00
http-push.c http: drop http_error function 2013-04-06 18:56:46 -07:00
http-walker.c Rename static function fetch_pack() to http_fetch_pack() 2012-09-12 11:46:31 -07:00
http.c Merge branch 'mv/ssl-ftp-curl' 2013-04-19 13:31:08 -07:00
http.h Merge branch 'mv/ssl-ftp-curl' 2013-04-19 13:31:08 -07:00
ident.c Merge branch 'jn/do-not-drop-username-when-reading-from-etc-mailname' into maint 2013-02-04 10:04:26 -08:00
imap-send.c imap-send: eliminate HMAC deprecation warnings on Mac OS X 2013-05-21 13:26:37 -07:00
INSTALL Typo fix: replacing it's -> its 2013-04-11 17:39:05 -07:00
kwset.c kwset: fix spelling in comments 2013-04-12 12:25:08 -07:00
kwset.h Adapt the kwset code to Git 2011-08-20 22:33:57 -07:00
levenshtein.c
levenshtein.h
LGPL-2.1
line-log.c log -L: improve comments in process_all_files() 2013-04-12 11:37:09 -07:00
line-log.h log -L: store the path instead of a diff_filespec 2013-04-12 11:37:03 -07:00
line-range.c log -L: :pattern:file syntax to find by funcname 2013-03-28 10:30:04 -07:00
line-range.h log -L: :pattern:file syntax to find by funcname 2013-03-28 10:30:04 -07:00
list-objects.c tree_entry_interesting(): give meaningful names to return values 2011-10-27 11:38:24 -07:00
list-objects.h list-objects: pass callback data to show_objects() 2011-09-01 15:46:12 -07:00
ll-merge.c convert some config callbacks to parse_config_key 2013-01-23 08:41:50 -08:00
ll-merge.h
lockfile.c
log-tree.c Merge branch 'tr/line-log' 2013-06-02 16:00:44 -07:00
log-tree.h pretty: share code between format_decoration and show_decorations 2013-04-18 16:28:27 -07:00
mailmap.c Merge branch 'ap/log-mailmap' 2013-01-20 17:06:53 -08:00
mailmap.h mailmap: simplify map_user() interface 2013-01-10 12:33:08 -08:00
Makefile Merge branch 'rj/mingw-cygwin' 2013-06-11 13:30:20 -07:00
match-trees.c match-trees: simplify score_trees() using tree_entry() 2013-03-25 09:00:30 -07:00
merge-blobs.c Which merge_file() function do you mean? 2012-12-09 23:05:27 -08:00
merge-blobs.h Which merge_file() function do you mean? 2012-12-09 23:05:27 -08:00
merge-recursive.c diff: Introduce --diff-algorithm command line option 2013-01-16 09:41:18 -08:00
merge-recursive.h Move try_merge_command and checkout_fast_forward to libgit.a 2012-10-29 03:08:30 -04:00
merge.c Move try_merge_command and checkout_fast_forward to libgit.a 2012-10-29 03:08:30 -04:00
mergesort.c mergesort: rename it to llist_mergesort() 2012-04-17 11:07:01 -07:00
mergesort.h mergesort: rename it to llist_mergesort() 2012-04-17 11:07:01 -07:00
name-hash.c Sync with 1.8.1 maintenance track 2013-04-03 09:18:01 -07:00
notes-cache.c Merge branch 'jc/show-sig' 2012-01-06 12:44:07 -08:00
notes-cache.h
notes-merge.c Sync with 1.7.11.6 2012-09-11 11:23:54 -07:00
notes-merge.h Convert commit_tree() to take strbuf as message 2011-12-15 10:46:42 -08:00
notes.c string_list_add_refs_by_glob(): add a comment about memory management 2013-06-02 15:28:47 -07:00
notes.h format_note(): simplify API 2012-10-17 22:42:40 -07:00
object.c Merge branch 'mh/reflife' 2013-06-14 08:46:14 -07:00
object.h object_array_entry: fix memory handling of the name field 2013-06-02 15:28:46 -07:00
pack-check.c fsck: print progress 2011-11-06 20:31:28 -08:00
pack-revindex.c
pack-revindex.h discard revindex data when pack list changes 2008-08-22 22:00:22 -07:00
pack-write.c Appease Sun Studio by renaming "tmpfile" 2011-12-21 10:21:04 -08:00
pack.h Merge branch 'jc/stream-to-pack' 2011-12-16 22:33:40 -08:00
pager.c Move setup_diff_pager to libgit.a 2012-10-29 03:08:30 -04:00
parse-options-cb.c prune: introduce OPT_EXPIRY_DATE() and use it 2013-04-25 11:42:10 -07:00
parse-options.c Merge branch 'ef/non-ascii-parse-options-error-diag' into maint 2013-02-27 10:04:26 -08:00
parse-options.h Merge branch 'jc/prune-all' 2013-05-29 14:23:04 -07:00
patch-delta.c
patch-ids.c diff_setup_done(): return void 2012-08-03 12:11:07 -07:00
patch-ids.h
path.c path.c: optimize adjust_shared_perm() 2013-04-05 12:39:38 -07:00
pathspec.c add.c: extract new die_if_path_beyond_symlink() for reuse 2013-01-06 14:26:37 -08:00
pathspec.h add.c: extract new die_if_path_beyond_symlink() for reuse 2013-01-06 14:26:37 -08:00
pkt-line.c pkt-line: share buffer/descriptor reading implementation 2013-02-24 00:14:15 -08:00
pkt-line.h pkt-line: share buffer/descriptor reading implementation 2013-02-24 00:14:15 -08:00
preload-index.c
pretty.c Merge branch 'rs/pp-user-info-without-extra-allocation' 2013-05-01 15:24:08 -07:00
progress.c strbuf: create strbuf_humanise_bytes() to show byte sizes 2013-04-10 12:58:33 -07:00
progress.h
prompt.c prompt: fall back to terminal if askpass fails 2012-02-03 14:37:04 -08:00
prompt.h prompt: use git_terminal_prompt 2011-12-12 16:09:38 -08:00
quote.c Merge branch 'jk/argv-array' into maint 2011-10-26 16:13:31 -07:00
quote.h quote: provide sq_dequote_to_argv_array 2011-09-14 11:56:49 -07:00
reachable.c use parse_object_or_die instead of die("bad object") 2013-03-17 12:52:14 -07:00
reachable.h prune: show progress while marking reachable objects 2011-11-07 22:12:19 -08:00
read-cache.c add a stat_validity struct 2013-06-20 15:50:17 -07:00
README Merge branch 'ta/doc-no-small-caps' 2013-02-05 16:13:32 -08:00
reflog-walk.c Merge branch 'jk/maint-reflog-walk-count-vs-time' into maint 2012-05-14 11:46:16 -07:00
reflog-walk.h Merge branch 'jk/maint-reflog-walk-count-vs-time' into maint 2012-05-14 11:46:16 -07:00
refs.c get_packed_ref_cache: reload packed-refs file when it changes 2013-06-20 15:50:17 -07:00
refs.h refs: implement simple transactions for the packed-refs file 2013-06-20 15:50:17 -07:00
RelNotes Git 1.8.3.1 2013-06-10 12:34:42 -07:00
remote-curl.c remote-curl: die directly with http error messages 2013-04-06 18:56:45 -07:00
remote-testsvn.c sparse: Fix mingw_main() argument number/type errors 2013-04-28 12:32:08 -07:00
remote.c remote: trivial style cleanup 2013-05-28 09:03:00 -07:00
remote.h remote.c: introduce a way to have different remotes for fetch/push 2013-04-02 10:41:42 -07:00
replace_object.c
rerere.c rerere forget: do not segfault if not all stages are present 2013-04-04 12:27:28 -07:00
rerere.h rerere.c: mark private file-scope symbols as static 2012-09-15 22:58:20 -07:00
resolve-undo.c checkout: avoid unnecessary match_pathspec calls 2013-03-27 08:53:15 -07:00
resolve-undo.h checkout: avoid unnecessary match_pathspec calls 2013-03-27 08:53:15 -07:00
revision.c Merge branch 'mh/reflife' 2013-06-14 08:46:14 -07:00
revision.h Merge branch 'mh/reflife' 2013-06-14 08:46:14 -07:00
run-command.c mingw: rename WIN32 cpp macro to GIT_WINDOWS_NATIVE 2013-05-08 12:14:35 -07:00
run-command.h hooks: Add function to check if a hook exists 2013-01-14 09:25:40 -08:00
send-pack.c pkt-line: provide a LARGE_PACKET_MAX static buffer 2013-02-20 13:42:22 -08:00
send-pack.h
sequencer.c Merge branch 'mv/sequencer-pick-error-diag' 2013-05-09 13:30:19 -07:00
sequencer.h sequencer.c: teach append_signoff how to detect duplicate s-o-b 2013-02-12 11:17:10 -08:00
server-info.c update-server-info: Shorten read_pack_info_file() 2010-07-19 11:13:52 -07:00
setup.c Merge branch 'lf/setup-prefix-pathspec' 2013-03-25 14:01:00 -07:00
sh-i18n--envsubst.c
sha1-array.c sha1-array.c: mark a private file-scope symbol as static 2012-09-15 22:58:21 -07:00
sha1-array.h sha1-array.c: mark a private file-scope symbol as static 2012-09-15 22:58:21 -07:00
sha1-lookup.c
sha1-lookup.h
sha1_file.c Merge branch 'tr/sha1-file-silence-loose-object-info-under-prune-race' 2013-06-11 13:31:19 -07:00
sha1_name.c Merge branch 'fc/at-head' 2013-06-11 13:31:23 -07:00
shallow.c fetch-pack: prepare updated shallow file before fetching the pack 2013-05-28 08:06:08 -07:00
shell.c shell: new no-interactive-login command to print a custom message 2013-03-09 23:21:35 -08:00
shortlog.h
show-index.c i18n: add infrastructure for translating Git with gettext 2011-12-05 20:46:55 -08:00
sideband.c pkt-line: share buffer/descriptor reading implementation 2013-02-24 00:14:15 -08:00
sideband.h pkt-line: move LARGE_PACKET_MAX definition from sideband 2013-02-20 13:42:22 -08:00
sigchain.c
sigchain.h
strbuf.c strbuf: create strbuf_humanise_bytes() to show byte sizes 2013-04-10 12:58:33 -07:00
strbuf.h strbuf: create strbuf_humanise_bytes() to show byte sizes 2013-04-10 12:58:33 -07:00
streaming.c avoid infinite loop in read_istream_loose 2013-03-27 13:47:02 -07:00
streaming.h streaming: void pointer instead of char pointer 2012-05-03 10:22:56 -07:00
string-list.c Merge branch 'mh/ceiling' into maint 2013-01-28 11:07:18 -08:00
string-list.h Merge branch 'mh/ceiling' into maint 2013-01-28 11:07:18 -08:00
submodule.c Merge branch 'mh/reflife' 2013-06-14 08:46:14 -07:00
submodule.h submodule: print graph output next to submodule log 2013-04-05 11:28:10 -07:00
symlinks.c symlinks.c: mark private file-scope symbols as static 2012-09-15 22:58:21 -07:00
tag.c upload-pack: avoid parsing tag destinations 2012-01-06 13:28:57 -08:00
tag.h upload-pack: avoid parsing tag destinations 2012-01-06 13:28:57 -08:00
tar.h
test-chmtime.c Merge branch 'rj/mingw-cygwin' 2013-06-11 13:30:20 -07:00
test-ctype.c test-ctype: add test for is_pathspec_magic 2011-10-03 11:44:03 -07:00
test-date.c i18n: mark relative dates for translation 2012-04-24 14:55:48 -07:00
test-delta.c tests: use a lowercase "usage:" string 2013-02-24 21:30:10 -08:00
test-dump-cache-tree.c cache-tree: update API to take abitrary flags 2012-02-07 16:35:43 -08:00
test-genrandom.c tests: use a lowercase "usage:" string 2013-02-24 21:30:10 -08:00
test-index-version.c sparse: Fix mingw_main() argument number/type errors 2013-04-28 12:32:08 -07:00
test-line-buffer.c vcs-svn: drop no-op reset methods 2012-07-05 23:26:51 -05:00
test-match-trees.c
test-mergesort.c sparse: Fix mingw_main() argument number/type errors 2013-04-28 12:32:08 -07:00
test-mktemp.c
test-parse-options.c sparse: Fix mingw_main() argument number/type errors 2013-04-28 12:32:08 -07:00
test-path-utils.c longest_ancestor_length(): require prefix list entries to be normalized 2012-10-29 02:34:58 -04:00
test-regex.c test-regex: Add a test to check for a bug in the regex routines 2012-09-02 18:57:21 -07:00
test-revision-walking.c Teach revision walking machinery to walk multiple times sequencially 2012-03-30 08:57:49 -07:00
test-run-command.c
test-scrap-cache-tree.c Add test-scrap-cache-tree 2011-12-06 14:52:18 -08:00
test-sha1.c
test-sha1.sh
test-sigchain.c
test-string-list.c string_list_longest_prefix(): remove function 2012-10-29 02:34:58 -04:00
test-subprocess.c sparse: Fix mingw_main() argument number/type errors 2013-04-28 12:32:08 -07:00
test-svn-fe.c msvc: test-svn-fe: Fix linker "unresolved external" error 2013-02-25 12:40:34 -08:00
test-wildmatch.c Makefile: add USE_WILDMATCH to use wildmatch as fnmatch 2013-01-01 15:32:37 -08:00
thread-utils.c mingw: rename WIN32 cpp macro to GIT_WINDOWS_NATIVE 2013-05-08 12:14:35 -07:00
thread-utils.h
trace.c trace.c: mark a private file-scope symbol as static 2012-09-15 22:58:21 -07:00
transport-helper.c Merge branch 'fc/transport-helper-no-refspec' 2013-06-06 12:17:22 -07:00
transport.c clone: open a shortcut for connectivity check 2013-05-28 08:07:20 -07:00
transport.h clone: open a shortcut for connectivity check 2013-05-28 08:07:20 -07:00
tree-diff.c Merge branch 'tr/void-diff-setup-done' into maint-1.7.11 2012-09-11 10:53:40 -07:00
tree-walk.c tree_entry_interesting: do basedir compare on wildcard patterns when possible 2012-11-26 11:16:34 -08:00
tree-walk.h tree_entry_interesting(): give meaningful names to return values 2011-10-27 11:38:24 -07:00
tree.c Strip namelen out of ce_flags into a ce_namelen field 2012-07-11 09:42:45 -07:00
tree.h
unimplemented.sh
unix-socket.c unix-socket: do not let close() or chdir() clobber errno during cleanup 2012-01-11 17:37:10 -08:00
unix-socket.h credentials: add "cache" helper 2011-12-11 23:16:25 -08:00
unpack-trees.c unpack-trees: free cache_entry array members for merges 2013-06-02 15:31:15 -07:00
unpack-trees.h diff-lib, read-tree, unpack-trees: mark cache_entry array paramters const 2013-06-02 15:31:14 -07:00
upload-pack.c upload-pack: ignore 'shallow' lines with unknown obj-ids 2013-04-28 22:33:53 -07:00
url.c Merge branch 'jk/http-auth' 2011-10-17 21:37:15 -07:00
url.h
usage.c Merge branch 'jk/a-thread-only-dies-once' into maint 2013-04-26 11:25:59 -07:00
userdiff.c userdiff: drop parse_driver function 2013-01-23 08:41:51 -08:00
userdiff.h
utf8.c pretty: Fix bug in truncation support for %>, %< and %>< 2013-04-28 12:09:37 -07:00
utf8.h pretty: support %>> that steal trailing spaces 2013-04-18 16:28:29 -07:00
varint.c varint: make it available outside the context of pack 2012-04-03 16:24:44 -07:00
varint.h varint: make it available outside the context of pack 2012-04-03 16:24:44 -07:00
version.c include agent identifier in capability string 2012-08-03 13:03:34 -07:00
version.h include agent identifier in capability string 2012-08-03 13:03:34 -07:00
walker.c Change check_ref_format() to take a flags argument 2011-10-05 13:45:29 -07:00
walker.h
wildmatch.c wildmatch: properly fold case everywhere 2013-06-02 14:13:05 -07:00
wildmatch.h wildmatch: support "no FNM_PATHNAME" mode 2013-01-01 15:32:37 -08:00
wrap-for-bin.sh i18n: add infrastructure for translating Git with gettext 2011-12-05 20:46:55 -08:00
wrapper.c config: allow inaccessible configuration under $HOME 2013-04-15 07:26:50 -07:00
write_or_die.c write_or_die: raise SIGPIPE when we get EPIPE 2013-02-20 13:42:21 -08:00
ws.c Rename git_checkattr() to git_check_attr() 2011-08-04 15:53:21 -07:00
wt-status.c dir.c: git-status --ignored: don't scan the work tree twice 2013-04-15 12:36:42 -07:00
wt-status.h status: show commit sha1 in "You are currently reverting" message 2013-04-02 14:22:56 -07:00
xdiff-interface.c xdiff: remove emit_func() and xdi_diff_hunks() 2012-05-09 14:08:42 -07:00
xdiff-interface.h xdiff: remove emit_func() and xdi_diff_hunks() 2012-05-09 14:08:42 -07:00
zlib.c zlib: fix compilation failures with Sun C Compilaer 2013-04-22 09:49:04 -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 version 2 (some parts of it are under different licenses,
compatible with the GPLv2). It was originally written by Linus
Torvalds with help of a group of hackers around the net.

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-scm.com/
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 (read
Documentation/SubmittingPatches for instructions on patch submission).
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://news.gmane.org/gmane.comp.version-control.git/,
http://marc.info/?l=git and other archival sites.

The maintainer frequently sends the "What's cooking" reports that
list the current status of various development topics to the mailing
list.  The discussion following them give a good reference for
project status, development direction and remaining tasks.