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Junio C Hamano 05e73682cd checkout: report upstream correctly even with loosely defined branch.*.merge
When checking out a branch that is set to build on top of another
branch (often, a remote-tracking branch), "git checkout" reports how
your work relates to the other branch, e.g.

    Your branch is behind 'origin/master', and can be fast-forwarded.

Back when this feature was introduced, this was only done for
branches that build on remote-tracking branches, but 5e6e2b48 (Make
local branches behave like remote branches when --tracked,
2009-04-01) added support to give the same report for branches that
build on other local branches (i.e. branches whose branch.*.remote
variables are set to '.').  Unlike the support for the branches
building on remote-tracking branches, however, this did not take
into account the fact that branch.*.merge configuration is allowed
to record a shortened branch name.

When branch.*.merge is set to 'master' (not 'refs/heads/master'),
i.e. "my branch builds on the local 'master' branch", this caused
"git checkout" to report:

    Your branch is based on 'master', but the upstream is gone.

The upstream is our repository and is definitely not gone, so this
output is nonsense.

The fix is fairly obvious; just like the branch name is DWIMed when
"git pull" merges from the 'master' branch without complaint on such
a branch, the name of the branch the current branch builds upon
needs to be DWIMed the same way.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-14 15:12:07 -07:00
block-sha1
builtin diff-tree: avoid lookup_unknown_object 2014-07-28 10:14:34 -07:00
compat Merge branch 'cb/byte-order' into maint 2014-07-22 10:25:02 -07:00
contrib Merge branch 'ep/shell-assign-and-export-vars' into maint 2014-07-22 10:22:57 -07:00
Documentation Merge branch 'maint-1.9' into maint-2.0 2014-10-07 13:40:39 -07:00
ewah
git-gui
gitk-git
gitweb
mergetools
perl
po
ppc
t checkout: report upstream correctly even with loosely defined branch.*.merge 2014-10-14 15:12:07 -07:00
templates
vcs-svn
xdiff
.gitattributes
.gitignore
.mailmap .mailmap: combine Stefan Beller's emails 2014-07-23 11:27:05 -07:00
abspath.c
aclocal.m4
advice.c
advice.h
alias.c
alloc.c alloc: factor out commit index 2014-07-28 10:14:33 -07:00
archive-tar.c
archive-zip.c
archive.c
archive.h
argv-array.c
argv-array.h
attr.c
attr.h
base85.c
bisect.c
bisect.h
blob.c add object_as_type helper for casting objects 2014-07-28 10:14:33 -07:00
blob.h
branch.c
branch.h
builtin.h
bulk-checkin.c
bulk-checkin.h
bundle.c
bundle.h
cache-tree.c
cache-tree.h
cache.h alloc: factor out commit index 2014-07-28 10:14:33 -07:00
check-builtins.sh
check-racy.c
check_bindir
color.c
color.h
column.c
column.h
combine-diff.c Merge branch 'mk/show-s-no-extra-blank-line-for-merges' into maint 2014-06-25 11:49:39 -07:00
command-list.txt
commit-slab.h
commit.c add object_as_type helper for casting objects 2014-07-28 10:14:33 -07:00
commit.h
config.c Merge branch 'bg/xcalloc-nmemb-then-size' into maint 2014-07-22 10:25:17 -07:00
config.mak.in
config.mak.uname Merge branch 'nd/index-pack-one-fd-per-thread' into maint 2014-06-25 11:47:58 -07:00
configure.ac
connect.c use xmemdupz() to allocate copies of strings given by start and length 2014-07-21 10:37:02 -07:00
connect.h
connected.c
connected.h
convert.c
convert.h
copy.c
COPYING
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 Merge branch 'jk/diff-files-assume-unchanged' into maint 2014-06-25 11:47:09 -07:00
diff-no-index.c
diff.c Merge branch 'bg/xcalloc-nmemb-then-size' into maint 2014-07-22 10:25:17 -07:00
diff.h
diffcore-break.c
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c
diffcore-rename.c
diffcore.h
dir.c
dir.h
editor.c
entry.c
environment.c
exec_cmd.c
exec_cmd.h
fast-import.c
fetch-pack.c
fetch-pack.h
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 'ym/fix-opportunistic-index-update-race' into maint 2014-06-25 11:49:48 -07:00
git-cvsexportcommit.perl
git-cvsimport.perl
git-cvsserver.perl
git-difftool--helper.sh
git-difftool.perl
git-filter-branch.sh filter-branch: eliminate duplicate mapped parents 2014-07-01 08:30:41 -07:00
git-instaweb.sh
git-merge-octopus.sh
git-merge-one-file.sh
git-merge-resolve.sh
git-mergetool--lib.sh
git-mergetool.sh
git-p4.py
git-parse-remote.sh
git-pull.sh
git-quiltimport.sh
git-rebase--am.sh
git-rebase--interactive.sh Merge branch 'rr/rebase-autostash-fix' into maint 2014-06-25 11:49:31 -07:00
git-rebase--merge.sh Merge branch 'bc/fix-rebase-merge-skip' into maint 2014-07-16 11:16:16 -07:00
git-rebase.sh Merge branch 'rr/rebase-autostash-fix' into maint 2014-06-25 11:49:31 -07:00
git-relink.perl
git-remote-testgit.sh Merge branch 'ep/shell-assign-and-export-vars' into maint 2014-07-22 10:22:57 -07:00
git-request-pull.sh
git-send-email.perl
git-sh-i18n.sh
git-sh-setup.sh
git-stash.sh Merge branch 'ep/shell-assign-and-export-vars' into maint 2014-07-22 10:22:57 -07:00
git-submodule.sh
git-svn.perl
GIT-VERSION-GEN Git 2.0.4 2014-07-30 14:19:53 -07:00
git-web--browse.sh
git.c
git.rc
git.spec.in
gpg-interface.c
gpg-interface.h
graph.c
graph.h
grep.c
grep.h
hashmap.c
hashmap.h
help.c
help.h
hex.c
http-backend.c use xmemdupz() to allocate copies of strings given by start and length 2014-07-21 10:37:02 -07:00
http-fetch.c
http-push.c Merge branch 'ah/fix-http-push' into maint 2014-07-22 10:29:07 -07:00
http-walker.c
http.c
http.h
ident.c
imap-send.c
INSTALL
khash.h
kwset.c
kwset.h
levenshtein.c
levenshtein.h
LGPL-2.1
line-log.c
line-log.h
line-range.c
line-range.h
list-objects.c
list-objects.h
ll-merge.c
ll-merge.h
lockfile.c
log-tree.c Merge branch 'zk/log-graph-showsig' into maint 2014-07-22 10:28:51 -07:00
log-tree.h
mailmap.c
mailmap.h
Makefile Merge branch 'nd/index-pack-one-fd-per-thread' into maint 2014-06-25 11:47:58 -07:00
match-trees.c
merge-blobs.c
merge-blobs.h
merge-recursive.c Merge branch 'jk/commit-buffer-length' into maint 2014-07-16 11:16:38 -07:00
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-utils.c
notes-utils.h
notes.c
notes.h
object.c object_as_type: set commit index 2014-07-28 10:14:34 -07:00
object.h add object_as_type helper for casting objects 2014-07-28 10:14:33 -07:00
pack-bitmap-write.c
pack-bitmap.c
pack-bitmap.h
pack-check.c
pack-objects.c
pack-objects.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 use xmemdupz() to allocate copies of strings given by start and length 2014-07-21 10:37:02 -07:00
pathspec.c use xcalloc() to allocate zero-initialized memory 2014-07-21 10:30:21 -07:00
pathspec.h
pkt-line.c
pkt-line.h
preload-index.c
pretty.c Merge branch 'jk/pretty-G-format-fixes' into maint 2014-07-16 11:17:21 -07:00
prio-queue.c
prio-queue.h
progress.c
progress.h
prompt.c
prompt.h
quote.c
quote.h
reachable.c
reachable.h
read-cache.c Merge branch 'ym/fix-opportunistic-index-update-race' into maint 2014-06-25 11:49:48 -07:00
README
reflog-walk.c
reflog-walk.h
refs.c add object_as_type helper for casting objects 2014-07-28 10:14:33 -07:00
refs.h
RelNotes Git 2.0.4 2014-07-30 14:19:53 -07:00
remote-curl.c
remote-testsvn.c
remote.c checkout: report upstream correctly even with loosely defined branch.*.merge 2014-10-14 15:12:07 -07:00
remote.h
replace_object.c
rerere.c
rerere.h
resolve-undo.c
resolve-undo.h
revision.c Merge branch 'jk/commit-buffer-length' into maint 2014-07-16 11:16:38 -07:00
revision.h
run-command.c
run-command.h
send-pack.c
send-pack.h
sequencer.c
sequencer.h
server-info.c
setup.c
sh-i18n--envsubst.c use xmemdupz() to allocate copies of strings given by start and length 2014-07-21 10:37:02 -07:00
sha1-array.c
sha1-array.h
sha1-lookup.c
sha1-lookup.h
sha1_file.c Merge branch 'rs/fix-alt-odb-path-comparison' into maint 2014-07-16 11:17:08 -07:00
sha1_name.c
shallow.c
shell.c
shortlog.h
show-index.c
sideband.c
sideband.h
sigchain.c
sigchain.h
strbuf.c
strbuf.h
streaming.c
streaming.h
string-list.c
string-list.h
submodule.c
submodule.h
symlinks.c
tag.c add object_as_type helper for casting objects 2014-07-28 10:14:33 -07:00
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-hashmap.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-prio-queue.c
test-read-cache.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-urlmatch-normalization.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 add object_as_type helper for casting objects 2014-07-28 10:14:33 -07:00
tree.h
unimplemented.sh
unix-socket.c
unix-socket.h
unpack-trees.c
unpack-trees.h
upload-pack.c
url.c
url.h
urlmatch.c
urlmatch.h
usage.c
userdiff.c
userdiff.h
utf8.c
utf8.h
varint.c
varint.h
version.c
version.h
versioncmp.c
walker.c
walker.h
wildmatch.c
wildmatch.h
wrap-for-bin.sh
wrapper.c
write_or_die.c
ws.c
wt-status.c Merge branch 'jl/status-added-submodule-is-never-ignored' into maint 2014-06-25 11:50:03 -07:00
wt-status.h
xdiff-interface.c
xdiff-interface.h
zlib.c

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

	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.