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Johan Herland e2656c82fd notes.h/c: Allow combine_notes functions to remove notes 
Allow combine_notes functions to request that a note be removed, by setting
the resulting note SHA1 to null_sha1 (0000000...).

For consistency, also teach note_tree_insert() to skip insertion of an empty
note (a note with entry->val_sha1 equal to null_sha1) when there is no note
to combine it with.

In general, an empty note (null_sha1) is treated identically to no note at
all, but when adding an empty note where there already exists a non-empty
note, we allow the combine_notes function to potentially record a new/changed
note. Document this behaviour, and clearly specify how combine_notes functions
are expected to handle null_sha1 in input.

Before this patch, storing null_sha1s in the notes tree were silently allowed,
causing an invalid notes tree (referring to blobs with null_sha1) to be
produced by write_notes_tree().

Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-10 10:25:52 -08:00
block-sha1 msvc: Select the "fast" definition of the {get,put}_be32() macros 2010-06-27 21:59:32 -07:00
builtin notes: allow --dry-run for -n and --verbose for -v 2010-08-09 10:12:50 -07:00
compat Merge branch 'js/async-thread' 2010-06-21 06:02:45 -07:00
contrib contrib/svn-fe: Add the svn-fe target to .gitignore 2010-08-03 06:49:22 -07:00
Documentation notes: allow --dry-run for -n and --verbose for -v 2010-08-09 10:12:50 -07:00
git-gui Merge git://repo.or.cz/git-gui into pt/git-gui 2010-08-02 09:28:30 -07:00
git_remote_helpers Remove python 2.5'isms 2010-06-13 20:02:50 -07:00
gitk-git Merge git://git.kernel.org/pub/scm/gitk/gitk 2010-04-18 18:36:41 -07:00
gitweb Merge branch 'maint' 2010-07-15 12:04:32 -07:00
perl Git.pm: better error message 2010-06-18 08:49:03 -07:00
ppc
t t7003: fix subdirectory-filter test 2010-08-09 09:15:01 -07:00
templates Modernize git calling conventions in hook templates 2010-03-20 09:04:38 -07:00
xdiff xdiff: optimise for no whitespace difference when ignoring whitespace. 2010-07-05 23:27:41 -07:00
.gitattributes
.gitignore Merge branch 'sr/remote-helper-export' 2010-05-21 04:02:15 -07:00
.mailmap Merge branch 'mg/mailmap-update' into maint 2010-04-09 22:22:06 -07:00
abspath.c make_absolute_path(): Do not append redundant slash 2010-02-14 13:21:31 -08:00
aclocal.m4 Some platforms lack socklen_t type 2010-05-31 17:36:27 -07:00
advice.c
advice.h
alias.c
alloc.c
archive-tar.c
archive-zip.c
archive.c
archive.h
attr.c Merge branch 'eb/core-eol' 2010-06-21 06:02:49 -07:00
attr.h enums: omit trailing comma for portability 2010-05-31 16:59:27 -07:00
base85.c
bisect.c Merge branch 'cc/maint-bisect-paths' into maint-1.6.6 2010-03-07 14:53:35 -08:00
bisect.h
blob.c
blob.h
branch.c Merge branch 'rc/maint-reflog-msg-for-forced-branch' into maint 2010-04-11 13:39:47 -07:00
branch.h
builtin.h Merge branch 'cp/textconv-cat-file' 2010-06-27 12:07:55 -07:00
bundle.c
bundle.h
cache-tree.c
cache-tree.h
cache.h Merge branch 'cp/textconv-cat-file' 2010-06-27 12:07:55 -07:00
check-builtins.sh
check-racy.c
check_bindir
color.c diff: add --word-diff option that generalizes --color-words 2010-04-14 10:56:53 -07:00
color.h diff: add --word-diff option that generalizes --color-words 2010-04-14 10:56:53 -07:00
combine-diff.c Merge branch 'rs/diff-no-minimal' into maint 2010-06-21 05:38:50 -07:00
command-list.txt
commit.c make commit_tree a library function 2010-04-01 23:53:54 -07:00
commit.h Merge branch 'ar/decorate-color' 2010-06-30 11:55:40 -07:00
config.c Merge branch 'eb/core-eol' 2010-06-21 06:02:49 -07:00
config.mak.in Merge branch 'gv/portable' 2010-06-21 06:02:44 -07:00
configure.ac Merge branch 'gv/portable' 2010-06-21 06:02:44 -07:00
connect.c Merge branch 'gv/portable' 2010-06-21 06:02:44 -07:00
convert.c Merge branch 'eb/core-eol' 2010-06-21 06:02:49 -07:00
copy.c
COPYING
csum-file.c
csum-file.h
ctype.c enums: omit trailing comma for portability 2010-05-31 16:59:27 -07:00
daemon.c Rewrite dynamic structure initializations to runtime assignment 2010-05-31 16:59:26 -07:00
date.c parse_date: fix signedness in timezone calculation 2010-07-05 11:57:07 -07:00
decorate.c
decorate.h
delta.h
diff-delta.c
diff-lib.c Add optional parameters to the diff option "--ignore-submodules" 2010-06-11 13:33:17 -07:00
diff-no-index.c string_list: Fix argument order for string_list_insert 2010-06-27 10:06:51 -07:00
diff.c Merge branch 'sv/maint-diff-q-clear-fix' into maint 2010-08-03 15:17:34 -07:00
diff.h Merge branch 'ab/blame-textconv' 2010-06-27 12:07:44 -07:00
diffcore-break.c Add a macro DIFF_QUEUE_CLEAR. 2010-05-07 09:34:27 -07:00
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c Add a macro DIFF_QUEUE_CLEAR. 2010-05-07 09:34:27 -07:00
diffcore-rename.c Add a macro DIFF_QUEUE_CLEAR. 2010-05-07 09:34:27 -07:00
diffcore.h Document -B<n>[/<m>], -M<n> and -C<n> variants of -B, -M and -C 2010-08-09 09:16:11 -07:00
dir.c git add: Add the "--ignore-missing" option for the dry run 2010-07-12 15:13:54 -07:00
dir.h git add: Add the "--ignore-missing" option for the dry run 2010-07-12 15:13:54 -07:00
editor.c
entry.c
environment.c Merge branch 'eb/core-eol' 2010-06-21 06:02:49 -07:00
exec_cmd.c Merge branch 'cw/maint-exec-defpath' into maint 2010-06-16 16:33:47 -07:00
exec_cmd.h
fast-import.c Merge branch 'gv/portable' 2010-06-21 06:02:44 -07:00
fetch-pack.h
fixup-builtins
fsck.c fsck: fix bogus commit header check 2010-05-28 15:08:27 -07:00
fsck.h
generate-cmdlist.sh
git-add--interactive.perl add-interactive: Clarify “remaining hunks in the file” 2010-06-13 10:05:02 -07:00
git-am.sh Merge branch 'js/maint-am-rebase-invalid-author' into maint 2010-06-28 16:18:43 -07:00
git-archimport.perl
git-bisect.sh
git-compat-util.h Merge branch 'pc/remove-warn' into maint 2010-06-22 08:30:38 -07:00
git-cvsexportcommit.perl
git-cvsimport.perl cvsimport: new -R option: generate .git/cvs-revisions mapping 2010-02-06 11:01:59 -08:00
git-cvsserver.perl Merge branch 'eb/core-eol' 2010-06-21 06:02:49 -07:00
git-difftool--helper.sh
git-difftool.perl difftool: Fix '--gui' when diff.guitool is unconfigured 2010-03-28 09:29:12 -07:00
git-filter-branch.sh Merge branch 'maint' 2010-02-11 23:06:32 -08:00
git-instaweb.sh git-instaweb: Don't assume Apache executable is named apache2 2010-07-23 11:16:05 -07:00
git-lost-found.sh
git-merge-octopus.sh
git-merge-one-file.sh build: propagate $DIFF to scripts 2010-06-05 09:36:13 -07:00
git-merge-resolve.sh
git-mergetool--lib.sh
git-mergetool.sh
git-parse-remote.sh
git-pull.sh pull: do nothing on --dry-run 2010-05-25 10:49:54 -07:00
git-quiltimport.sh
git-rebase--interactive.sh git-rebase--interactive.sh: use printf instead of echo to print commit message 2010-07-25 23:14:18 -07:00
git-rebase.sh Fix git rebase --continue to work with touched files 2010-07-28 13:57:36 -07:00
git-relink.perl
git-remote-testgit.py Remove python 2.5'isms 2010-06-13 20:02:50 -07:00
git-repack.sh
git-request-pull.sh git-request-pull.sh: remove -e switch to shell interpreter which breaks ksh 2010-06-02 09:28:12 -07:00
git-send-email.perl Merge branch 'tr/send-email-8bit' into maint 2010-06-28 16:19:03 -07:00
git-sh-setup.sh Merge branch 'gb/maint-submodule-env' into maint 2010-03-08 00:36:02 -08:00
git-stash.sh Merge branch 'cb/maint-stash-orphaned-file' 2010-05-21 04:02:23 -07:00
git-submodule.sh git submodule add: Require the new --force option to add ignored paths 2010-07-19 11:10:43 -07:00
git-svn.perl git-svn: write memoized data explicitly to avoid Storable bug 2010-07-19 06:31:04 +00:00
GIT-VERSION-GEN Git 1.7.2.1 2010-07-27 16:42:53 -07:00
git-web--browse.sh Add a google-chrome option for web--browse 2010-07-25 23:14:18 -07:00
git.c Fix 'git' wrapper usage string 2010-07-27 09:04:21 -07:00
git.spec.in git.spec.in: Add gitweb subpackage 2010-06-30 15:49:18 -07:00
graph.c graph.c: register a callback for graph output 2010-05-31 18:02:07 -07:00
graph.h Documentation: undocument gc'd function graph_release() 2009-11-19 23:05:17 -08:00
grep.c grep: support NUL chars in search strings for -F 2010-05-24 11:22:07 -07:00
grep.h Merge branch 'gv/portable' 2010-06-21 06:02:44 -07:00
hash.c
hash.h
help.c Remove hyphen from "git-command" in two error messages 2010-02-15 18:20:54 -08:00
help.h
hex.c
http-backend.c Merge branch 'jp/string-list-api-cleanup' 2010-06-30 11:55:38 -07:00
http-fetch.c http: init and cleanup separately from http-walker 2010-03-02 11:10:36 -08:00
http-push.c enums: omit trailing comma for portability 2010-05-31 16:59:27 -07:00
http-walker.c Merge branch 'gv/portable' 2010-06-21 06:02:44 -07:00
http.c Merge branch 'sc/http-late-auth' into maint 2010-06-16 16:32:15 -07:00
http.h Merge branch 'sc/http-late-auth' into maint 2010-06-16 16:32:15 -07:00
ident.c
imap-send.c enums: omit trailing comma for portability 2010-05-31 16:59:27 -07:00
INSTALL INSTALL: configure /etc/xml/catalog to build docs on Cygwin 2010-07-25 23:14:18 -07:00
levenshtein.c
levenshtein.h Typofixes outside documentation area 2010-02-03 21:28:17 -08:00
list-objects.c
list-objects.h
ll-merge.c Rewrite dynamic structure initializations to runtime assignment 2010-05-31 16:59:26 -07:00
ll-merge.h ll_merge(): add ancestor label parameter for diff3-style output 2010-03-20 20:36:11 -07:00
lockfile.c
log-tree.c Allow customizable commit decorations colors 2010-06-24 12:57:34 -07:00
log-tree.h Allow customizable commit decorations colors 2010-06-24 12:57:34 -07:00
mailmap.c string_list: Fix argument order for string_list_lookup 2010-06-27 10:06:51 -07:00
mailmap.h
Makefile Makefile: add check-docs exception for gitrevisions 2010-07-27 09:05:01 -07:00
match-trees.c
merge-file.c Merge branch 'rs/diff-no-minimal' into maint 2010-06-21 05:38:50 -07:00
merge-recursive.c merge-recursive: use "up-to-date" instead of "uptodate" in error message for consistency 2010-07-09 16:28:46 -07:00
merge-recursive.h Merge branch 'gv/portable' 2010-06-21 06:02:44 -07:00
name-hash.c
notes-cache.c introduce notes-cache interface 2010-04-01 23:58:30 -07:00
notes-cache.h introduce notes-cache interface 2010-04-01 23:58:30 -07:00
notes.c notes.h/c: Allow combine_notes functions to remove notes 2010-11-10 10:25:52 -08:00
notes.h notes.h/c: Allow combine_notes functions to remove notes 2010-11-10 10:25:52 -08:00
object.c fix "bundle --stdin" segfault 2010-04-19 22:16:35 -07:00
object.h
pack-check.c Extract verify_pack_index for reuse from verify_pack 2010-04-19 17:56:13 -07:00
pack-refs.c
pack-refs.h
pack-revindex.c
pack-revindex.h
pack-write.c move encode_in_pack_object_header() to a better place 2010-02-23 13:10:56 -08:00
pack.h Merge branch 'sp/maint-dumb-http-pack-reidx' into maint 2010-06-16 16:21:30 -07:00
pager.c Make 'git var GIT_PAGER' always print the configured pager 2010-02-14 18:23:17 -08:00
parse-options.c parseopt: wrap rev-parse --parseopt usage for eval consumption 2010-06-13 09:38:14 -07:00
parse-options.h Merge branch 'gs/usage-to-stdout' 2010-06-21 06:02:45 -07:00
patch-delta.c
patch-ids.c
patch-ids.h
path.c Sync with 1.7.0 series 2010-07-27 15:01:36 -07:00
pkt-line.c
pkt-line.h
preload-index.c
pretty.c Merge branch 'mg/pretty-magic-space' 2010-06-22 09:45:22 -07:00
progress.c
progress.h
quote.c quote.c: separate quoting and relative path generation 2010-06-05 09:14:13 -07:00
quote.h quote.c: separate quoting and relative path generation 2010-06-05 09:14:13 -07:00
reachable.c
reachable.h
read-cache.c Correct spelling of 'REUC' extension 2010-02-02 09:54:34 -08:00
README
reflog-walk.c string_list: Fix argument order for string_list_lookup 2010-06-27 10:06:51 -07:00
reflog-walk.h
refs.c Merge branch 'maint' 2010-07-07 11:18:26 -07:00
refs.h log_ref_setup: don't return stack-allocated array 2010-06-12 09:34:17 -07:00
RelNotes Git 1.7.2.1 2010-07-27 16:42:53 -07:00
remote-curl.c Merge branch 'sc/http-late-auth' into maint 2010-06-16 16:32:15 -07:00
remote.c Merge branch 'jp/string-list-api-cleanup' 2010-06-30 11:55:38 -07:00
remote.h enums: omit trailing comma for portability 2010-05-31 16:59:27 -07:00
replace_object.c
rerere.c Merge branch 'jp/string-list-api-cleanup' 2010-06-30 11:55:38 -07:00
rerere.h
resolve-undo.c string_list: Fix argument order for string_list_lookup 2010-06-27 10:06:51 -07:00
resolve-undo.h
revision.c Merge branch 'jp/string-list-api-cleanup' 2010-06-30 11:55:38 -07:00
revision.h Merge branch 'tr/rev-list-count' 2010-06-30 11:55:38 -07:00
run-command.c Merge branch 'js/async-thread' 2010-06-21 06:02:45 -07:00
run-command.h Enable threaded async procedures whenever pthreads is available 2010-03-10 14:26:54 -08:00
send-pack.h git-push: make git push --porcelain print "Done" 2010-02-28 10:39:30 -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 'maint-1.6.6' into maint-1.7.0 2010-07-25 21:52:48 -07:00
sha1-lookup.c
sha1-lookup.h
sha1_file.c Merge branch 'jk/maint-sha1-file-name-fix' into maint 2010-06-21 05:40:41 -07:00
sha1_name.c Merge branch 'cp/textconv-cat-file' 2010-06-27 12:07:55 -07:00
shallow.c Merge branch 'mk/maint-parse-careful' 2008-02-18 20:56:01 -08:00
shell.c
shortlog.h pretty: Respect --abbrev option 2010-05-04 15:38:58 -07:00
show-index.c
sideband.c
sideband.h
sigchain.c
sigchain.h
strbuf.c
strbuf.h
string-list.c string_list: Fix argument order for string_list_append 2010-06-27 10:06:52 -07:00
string-list.h string_list: Fix argument order for string_list_append 2010-06-27 10:06:52 -07:00
submodule.c Add the option "--ignore-submodules" to "git status" 2010-06-25 11:30:25 -07:00
submodule.h Add the option "--ignore-submodules" to "git status" 2010-06-25 11:30:25 -07:00
symlinks.c
tag.c tag.c: Parse tagger date (if present) 2010-04-12 21:45:17 -07:00
tag.h tag.c: Parse tagger date (if present) 2010-04-12 21:45:17 -07:00
tar.h
test-chmtime.c Typofixes outside documentation area 2010-02-03 21:28:17 -08:00
test-ctype.c
test-date.c test-date: fix sscanf type conversion 2010-07-06 08:42:15 -07:00
test-delta.c
test-dump-cache-tree.c
test-genrandom.c
test-index-version.c
test-match-trees.c
test-parse-options.c
test-path-utils.c
test-run-command.c
test-sha1.c
test-sha1.sh
test-sigchain.c
thread-utils.c Thread-safe xmalloc and xrealloc needs a recursive mutex 2010-04-08 23:06:39 -07:00
thread-utils.h Thread-safe xmalloc and xrealloc needs a recursive mutex 2010-04-08 23:06:39 -07:00
trace.c Do not call release_pack_memory in malloc wrappers when GIT_TRACE is used 2010-05-08 22:28:01 -07:00
transport-helper.c string_list: Fix argument order for string_list_append 2010-06-27 10:06:52 -07:00
transport.c make url-related functions reusable 2010-05-24 16:48:32 -07:00
transport.h Merge branch 'tc/transport-verbosity' 2010-03-15 00:58:42 -07:00
tree-diff.c Make git log --follow find copies among unmodified files. 2010-05-07 09:34:29 -07:00
tree-walk.c Merge branch 'maint-1.6.6' into maint 2010-02-14 18:59:14 -08:00
tree-walk.h
tree.c
tree.h
unimplemented.sh
unpack-trees.c Merge branch 'bd/maint-unpack-trees-parawalk-fix' into maint 2010-06-28 16:18:02 -07:00
unpack-trees.h
upload-pack.c run-command: support custom fd-set in async 2010-02-05 20:57:22 -08:00
url.c url_decode: URL scheme ends with a colon and does not require a slash 2010-06-24 13:36:30 -07:00
url.h make url-related functions reusable 2010-05-24 16:48:32 -07:00
usage.c Make report() from usage.c public as vreportf() and use it. 2010-03-07 00:37:35 -08:00
userdiff.c Merge branch 'bs/userdiff-php' 2010-06-13 11:22:05 -07:00
userdiff.h diff: cache textconv output 2010-04-02 00:05:31 -07:00
utf8.c Merge branch 'rs/optim-text-wrap' into maint 2010-03-04 22:26:33 -08:00
utf8.h Merge branch 'rs/optim-text-wrap' into maint 2010-03-04 22:26:33 -08:00
walker.c
walker.h http: init and cleanup separately from http-walker 2010-03-02 11:10:36 -08:00
wrap-for-bin.sh wrap-for-bin: do not export an empty GIT_TEMPLATE_DIR 2010-03-02 16:27:03 -08:00
wrapper.c Merge branch 'pc/remove-warn' into maint 2010-06-22 08:30:38 -07:00
write_or_die.c
ws.c whitespace: add tab-in-indent support for --whitespace=fix 2010-04-04 14:21:54 -07:00
wt-status.c Merge branch 'jl/status-ignore-submodules' 2010-06-30 11:55:39 -07:00
wt-status.h Merge branch 'jl/status-ignore-submodules' 2010-06-30 11:55:39 -07:00
xdiff-interface.c Merge branch 'maint-1.7.0' into maint 2010-05-04 15:20:47 -07:00
xdiff-interface.h Merge branch 'maint-1.7.0' into maint 2010-05-04 15:20:47 -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-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. 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.