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Junio C Hamano daebaa7813 upload/receive-pack: allow hiding ref hierarchies
A repository may have refs that are only used for its internal
bookkeeping purposes that should not be exposed to the others that
come over the network.

Teach upload-pack to omit some refs from its initial advertisement
by paying attention to the uploadpack.hiderefs multi-valued
configuration variable.  Do the same to receive-pack via the
receive.hiderefs variable.  As a convenient short-hand, allow using
transfer.hiderefs to set the value to both of these variables.

Any ref that is under the hierarchies listed on the value of these
variable is excluded from responses to requests made by "ls-remote",
"fetch", etc. (for upload-pack) and "push" (for receive-pack).

Because these hidden refs do not count as OUR_REF, an attempt to
fetch objects at the tip of them will be rejected, and because these
refs do not get advertised, "git push :" will not see local branches
that have the same name as them as "matching" ones to be sent.

An attempt to update/delete these hidden refs with an explicit
refspec, e.g. "git push origin :refs/hidden/22", is rejected.  This
is not a new restriction.  To the pusher, it would appear that there
is no such ref, so its push request will conclude with "Now that I
sent you all the data, it is time for you to update the refs.  I saw
that the ref did not exist when I started pushing, and I want the
result to point at this commit".  The receiving end will apply the
compare-and-swap rule to this request and rejects the push with
"Well, your update request conflicts with somebody else; I see there
is such a ref.", which is the right thing to do. Otherwise a push to
a hidden ref will always be "the last one wins", which is not a good
default.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-07 13:48:47 -08:00
Documentation upload/receive-pack: allow hiding ref hierarchies 2013-02-07 13:48:47 -08:00
block-sha1
builtin upload/receive-pack: allow hiding ref hierarchies 2013-02-07 13:48:47 -08:00
compat Merge branch 'nd/wildmatch' 2013-01-10 13:47:20 -08:00
contrib Merge branch 'ds/completion-silence-in-tree-path-probe' 2013-01-18 11:20:03 -08:00
git-gui
git_remote_helpers Merge branch 'er/python-version-requirements' 2013-01-09 08:25:48 -08:00
gitk-git
gitweb Merge branch 'os/gitweb-highlight-uncaptured' into maint 2013-01-11 16:48:30 -08:00
mergetools mergetools/p4merge: Honor $TMPDIR for the /dev/null placeholder 2012-12-26 18:13:15 -08:00
perl git svn: do not overescape URLs (fallback case) 2013-01-17 23:28:12 +00:00
po l10n: de.po: address the user formally 2013-01-07 18:33:35 +01:00
ppc
t upload/receive-pack: allow hiding ref hierarchies 2013-02-07 13:48:47 -08:00
templates
vcs-svn
xdiff
.gitattributes
.gitignore Makefile: detect when PYTHON_PATH changes 2013-01-10 14:14:37 -08:00
.mailmap
COPYING
GIT-VERSION-GEN Git 1.8.1.1 2013-01-14 08:04:50 -08:00
INSTALL
LGPL-2.1
Makefile Merge branch 'jc/comment-cygwin-win32api-in-makefile' into maint 2013-01-14 07:34:37 -08:00
README
RelNotes Prepare for 1.8.1.1 2013-01-10 14:17:13 -08:00
abspath.c
aclocal.m4
advice.c
advice.h
alias.c
alloc.c
archive-tar.c Merge branch 'rs/leave-base-name-in-name-field-of-tar' into maint 2013-01-14 07:34:12 -08:00
archive-zip.c Merge branch 'rs/zip-with-uncompressed-size-in-the-header' 2013-01-11 18:34:55 -08:00
archive.c Add directory pattern matching to attributes 2012-12-17 22:07:23 -08:00
archive.h
argv-array.c
argv-array.h
attr.c Merge branch 'nd/attr-debug-fix' 2013-01-18 11:20:12 -08:00
attr.h
base85.c
bisect.c
bisect.h
blob.c
blob.h
branch.c
branch.h
builtin.h Merge branch 'jc/maint-fmt-merge-msg-no-edit-lose-credit' into maint 2013-01-14 07:33:30 -08:00
bulk-checkin.c
bulk-checkin.h
bundle.c
bundle.h
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 Merge branch 'jk/pathspec-literal' 2013-01-05 23:42:07 -08:00
check-builtins.sh
check-racy.c
check_bindir
color.c
color.h
column.c
column.h
combine-diff.c
command-list.txt
commit.c
commit.h Merge branch 'jc/format-color-auto' 2013-01-05 23:41:57 -08:00
config.c Merge branch 'jn/warn-on-inaccessible-loosen' into maint 2013-01-11 16:47:07 -08:00
config.mak.in
config.mak.uname Makefile: hoist uname autodetection to config.mak.uname 2013-01-03 14:15:17 -08:00
configure.ac Merge branch 'mh/pthreads-autoconf' into maint 2013-01-10 14:04:26 -08:00
connect.c
connected.c
connected.h
convert.c
convert.h
copy.c
credential-cache--daemon.c
credential-cache.c
credential-store.c
credential.c
credential.h
csum-file.c
csum-file.h
ctype.c
daemon.c
date.c
decorate.c
decorate.h
delta.h
diff-delta.c
diff-lib.c
diff-no-index.c
diff.c Merge branch 'jc/blame-no-follow' 2013-01-14 08:15:51 -08:00
diff.h
diffcore-break.c
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c
diffcore-rename.c
diffcore.h
dir.c Merge branch 'ap/status-ignored-in-ignored-directory' 2013-01-14 08:15:43 -08:00
dir.h Merge branch 'as/dir-c-cleanup' 2013-01-10 13:47:25 -08:00
editor.c run-command: encode signal death as a positive integer 2013-01-06 11:09:18 -08:00
entry.c
environment.c
exec_cmd.c
exec_cmd.h
fast-import.c
fetch-pack.c Merge branch 'mk/qnx' 2013-01-03 10:28:33 -08:00
fetch-pack.h
fixup-builtins
fmt-merge-msg.h
fsck.c
fsck.h
generate-cmdlist.sh
gettext.c
gettext.h
git-add--interactive.perl
git-am.sh
git-archimport.perl
git-bisect.sh
git-compat-util.h Merge branch 'jn/warn-on-inaccessible-loosen' into maint 2013-01-11 16:47:07 -08:00
git-cvsexportcommit.perl
git-cvsimport.perl
git-cvsserver.perl
git-difftool--helper.sh
git-difftool.perl
git-filter-branch.sh
git-instaweb.sh
git-lost-found.sh
git-merge-octopus.sh
git-merge-one-file.sh
git-merge-resolve.sh
git-mergetool--lib.sh
git-mergetool.sh
git-p4.py Add checks to Python scripts for version dependencies. 2012-12-28 11:35:04 -08:00
git-parse-remote.sh
git-pull.sh
git-quiltimport.sh
git-rebase--am.sh
git-rebase--interactive.sh
git-rebase--merge.sh
git-rebase.sh
git-relink.perl
git-remote-testgit
git-remote-testpy.py Merge branch 'fc/remote-testgit-feature-done' 2013-01-14 08:15:46 -08:00
git-repack.sh
git-request-pull.sh
git-send-email.perl Merge branch 'nz/send-email-headers-are-case-insensitive' 2013-01-14 08:15:36 -08:00
git-sh-i18n.sh
git-sh-setup.sh Merge branch 'jc/maint-fbsd-sh-ifs-workaround' into maint 2013-01-08 11:17:01 -08:00
git-stash.sh
git-submodule.sh submodule add: If --branch is given, record it in .gitmodules 2012-12-19 09:40:51 -08:00
git-svn.perl git-svn: teach find-rev to find near matches 2013-01-17 23:28:12 +00:00
git-web--browse.sh
git.c add global --literal-pathspecs option 2012-12-19 14:58:59 -08:00
git.spec.in
gpg-interface.c
gpg-interface.h
graph.c Merge branch 'mk/maint-graph-infinity-loop' into maint 2013-01-14 07:32:18 -08:00
graph.h
grep.c
grep.h
hash.c
hash.h
help.c
help.h
hex.c
http-backend.c
http-fetch.c
http-push.c
http-walker.c
http.c Merge branch 'rb/http-cert-cred-no-username-prompt' into maint 2013-01-10 14:03:54 -08:00
http.h
ident.c
imap-send.c
kwset.c
kwset.h
levenshtein.c
levenshtein.h
list-objects.c
list-objects.h
ll-merge.c
ll-merge.h
lockfile.c
log-tree.c Merge branch 'jc/format-patch-reroll' 2013-01-11 18:34:10 -08:00
log-tree.h get_patch_filename(): split into two functions 2012-12-21 23:55:40 -08:00
mailmap.c
mailmap.h
match-trees.c
merge-blobs.c
merge-blobs.h
merge-recursive.c
merge-recursive.h
merge.c
mergesort.c
mergesort.h
name-hash.c
notes-cache.c
notes-cache.h
notes-merge.c
notes-merge.h
notes.c
notes.h
object.c
object.h
pack-check.c
pack-refs.c
pack-refs.h
pack-revindex.c
pack-revindex.h
pack-write.c
pack.h
pager.c
parse-options-cb.c
parse-options.c
parse-options.h
patch-delta.c
patch-ids.c
patch-ids.h
path.c
pkt-line.c
pkt-line.h
preload-index.c
pretty.c Merge branch 'rs/pretty-use-prefixcmp' 2013-01-18 11:20:08 -08:00
progress.c
progress.h
prompt.c
prompt.h
quote.c
quote.h
reachable.c
reachable.h
read-cache.c
reflog-walk.c
reflog-walk.h
refs.c upload/receive-pack: allow hiding ref hierarchies 2013-02-07 13:48:47 -08:00
refs.h upload/receive-pack: allow hiding ref hierarchies 2013-02-07 13:48:47 -08:00
remote-curl.c
remote-testsvn.c
remote.c Merge branch 'jc/fetch-ignore-symref' into maint 2013-01-11 16:45:44 -08:00
remote.h
replace_object.c
rerere.c
rerere.h
resolve-undo.c
resolve-undo.h
revision.c
revision.h Merge branch 'jc/format-patch-reroll' 2013-01-11 18:34:10 -08:00
run-command.c run-command: encode signal death as a positive integer 2013-01-06 11:09:18 -08:00
run-command.h
send-pack.c
send-pack.h
sequencer.c learn to pick/revert into unborn branch 2012-12-23 10:40:37 -08:00
sequencer.h
server-info.c
setup.c
sh-i18n--envsubst.c
sha1-array.c
sha1-array.h
sha1-lookup.c
sha1-lookup.h
sha1_file.c
sha1_name.c
shallow.c
shell.c
shortlog.h
show-index.c
sideband.c
sideband.h
sigchain.c
sigchain.h
strbuf.c Merge branch 'mh/unify-xml-in-imap-send-and-http-push' 2013-01-05 23:41:04 -08:00
strbuf.h Merge branch 'mh/unify-xml-in-imap-send-and-http-push' 2013-01-05 23:41:04 -08:00
streaming.c
streaming.h
string-list.c Merge branch 'mh/ceiling' 2013-01-02 10:36:59 -08:00
string-list.h Merge branch 'mh/ceiling' 2013-01-02 10:36:59 -08:00
submodule.c
submodule.h
symlinks.c
tag.c
tag.h
tar.h
test-chmtime.c
test-ctype.c
test-date.c
test-delta.c
test-dump-cache-tree.c
test-genrandom.c
test-index-version.c
test-line-buffer.c
test-match-trees.c
test-mergesort.c
test-mktemp.c
test-parse-options.c
test-path-utils.c
test-regex.c
test-revision-walking.c
test-run-command.c
test-scrap-cache-tree.c
test-sha1.c
test-sha1.sh
test-sigchain.c
test-string-list.c
test-subprocess.c
test-svn-fe.c
test-wildmatch.c
thread-utils.c
thread-utils.h
trace.c
transport-helper.c
transport.c
transport.h
tree-diff.c
tree-walk.c
tree-walk.h
tree.c
tree.h
unimplemented.sh
unix-socket.c
unix-socket.h
unpack-trees.c Merge branch 'as/dir-c-cleanup' 2013-01-10 13:47:25 -08:00
unpack-trees.h
upload-pack.c upload/receive-pack: allow hiding ref hierarchies 2013-02-07 13:48:47 -08:00
url.c
url.h
usage.c
userdiff.c
userdiff.h
utf8.c Merge branch 'sp/shortlog-missing-lf' into maint 2013-01-10 14:04:23 -08:00
utf8.h Merge branch 'sp/shortlog-missing-lf' into maint 2013-01-10 14:04:23 -08:00
varint.c
varint.h
version.c
version.h
walker.c
walker.h
wildmatch.c wildmatch: replace variable 'special' with better named ones 2013-01-01 15:32:36 -08:00
wildmatch.h
wrap-for-bin.sh
wrapper.c Merge branch 'jn/warn-on-inaccessible-loosen' into maint 2013-01-11 16:47:07 -08:00
write_or_die.c
ws.c
wt-status.c Merge branch 'ap/status-ignored-in-ignored-directory' 2013-01-14 08:15:43 -08:00
wt-status.h
xdiff-interface.c
xdiff-interface.h
zlib.c

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://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.