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Junio C Hamano bd8c1a9b49 diff: correctly disable external_diff with --no-ext-diff
Upon seeing a type-change filepair, "diff --no-ext-diff" does not
show the usual "deletion followed by addition" split patch and does
not run the external diff driver either.

This is because the logic to disable external diff was placed at a
wrong level in the callchain.  run_diff_cmd() decides to show the
split patch only when external diff driver is not configured or
specified via GIT_EXTERNAL_DIFF environment, but this is done before
checking if --no-ext-diff was given.  To make things worse,
run_diff_cmd() checks --no-ext-diff and disables the output for such
a filepair completely, as the callchain below it (e.g. builtin_diff)
does not want to handle typechange filepairs.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-07-17 22:51:11 -07:00
block-sha1
builtin Merge branch 'tr/cache-tree' into maint-1.7.8 2012-04-09 13:40:32 -07:00
compat Merge branch 'bw/inet-pton-ntop-compat' into maint 2012-02-13 23:26:31 -08:00
contrib post-receive-email: match up $LOGBEGIN..$LOGEND pairs correctly 2012-02-27 11:01:16 -08:00
Documentation Git 1.7.9.7 2012-04-26 10:23:15 -07:00
git-gui
git_remote_helpers
gitk-git
gitweb Merge branch 'maint-1.7.8' into maint 2012-03-20 15:53:30 -07:00
mergetools Merge branch 'jn/ancient-meld-support' into maint 2012-02-27 15:33:07 -08:00
perl
po
ppc
t diff: correctly disable external_diff with --no-ext-diff 2012-07-17 22:51:11 -07:00
templates
vcs-svn
xdiff
.gitattributes
.gitignore
.mailmap
abspath.c
aclocal.m4
advice.c
advice.h
alias.c
alloc.c
archive-tar.c
archive-zip.c
archive.c Merge branch 'jk/maint-upload-archive' 2012-01-12 23:34:17 -08:00
archive.h
argv-array.c
argv-array.h
attr.c Merge branch 'maint-1.7.6' into maint-1.7.7 2012-01-11 19:11:00 -08:00
attr.h
base85.c
bisect.c
bisect.h rev-list: fix --verify-objects --quiet becoming --objects 2012-02-28 10:47:30 -08:00
blob.c
blob.h
branch.c
branch.h
builtin.h
bulk-checkin.c
bulk-checkin.h
bundle.c Sync with 1.7.8.6 2012-04-26 10:22:20 -07:00
bundle.h
cache-tree.c Merge branch 'jc/maint-commit-ignore-i-t-a' into maint 2012-02-16 14:08:00 -08:00
cache-tree.h
cache.h Merge branch 'jk/git-dir-lookup' into maint 2012-02-21 15:13:16 -08:00
check-builtins.sh
check-racy.c
check_bindir
color.c
color.h
combine-diff.c
command-list.txt
commit.c
commit.h
config.c Merge branch 'ms/maint-config-error-at-eol-linecount' into maint 2012-03-26 12:10:05 -07:00
config.mak.in Makefile: introduce CHARSET_LIB to link with -lcharset 2012-02-13 00:11:01 -08:00
configure.ac Merge branch 'js/configure-libintl' into maint 2012-02-26 17:04:53 -08:00
connect.c
connected.c fetch/receive: remove over-pessimistic connectivity check 2012-03-15 15:23:17 -07:00
connected.h
convert.c Merge branch 'jk/maint-avoid-streaming-filtered-contents' into maint 2012-03-04 22:16:40 -08:00
convert.h teach convert_to_git a "dry run" mode 2012-02-24 14:11:27 -08:00
copy.c
COPYING
credential-cache--daemon.c
credential-cache.c credential-cache: ignore "connection refused" errors 2012-01-16 22:15:19 -08:00
credential-store.c
credential.c
credential.h
csum-file.c
csum-file.h
ctype.c ctype.c only wants git-compat-util.h 2012-02-10 12:53:55 -08:00
daemon.c
date.c Merge branch 'jc/parse-date-raw' into maint 2012-02-13 11:42:15 -08:00
decorate.c
decorate.h
delta.h
diff-delta.c
diff-lib.c diff-index: enable recursive pathspec matching in unpack_trees 2012-01-18 15:44:02 -08:00
diff-no-index.c
diff.c diff: correctly disable external_diff with --no-ext-diff 2012-07-17 22:51:11 -07:00
diff.h Use correct grammar in diffstat summary line 2012-02-03 23:19:42 -08:00
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 Merge branch 'jn/maint-fast-import-empty-ls' into maint 2012-03-26 12:10:25 -07:00
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 Merge branch 'jc/am-3-nonstandard-popt' into maint 2012-03-12 15:43:15 -07:00
git-archimport.perl
git-bisect.sh
git-compat-util.h ctype: implement islower/isupper macro 2012-02-10 12:56:29 -08:00
git-cvsexportcommit.perl git-cvsexportcommit: Fix calling Perl's rel2abs() on MSYS 2012-01-11 18:04:08 -08:00
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 mergetool: Provide an empty file when needed 2012-01-23 11:50:22 -08:00
git-parse-remote.sh
git-pull.sh
git-quiltimport.sh
git-rebase--am.sh
git-rebase--interactive.sh
git-rebase--merge.sh rebase -m: only call "notes copy" when rewritten exists and is non-empty 2012-02-26 16:32:37 -08:00
git-rebase.sh
git-relink.perl
git-remote-testgit.py
git-repack.sh
git-request-pull.sh request-pull: explicitly ask tags/$name to be pulled 2012-01-31 21:27:58 -08:00
git-send-email.perl
git-sh-i18n.sh
git-sh-setup.sh Merge branch 'jc/parse-date-raw' into maint 2012-02-13 11:42:15 -08:00
git-stash.sh
git-submodule.sh submodule add: fix breakage when re-adding a deep submodule 2012-01-24 14:18:18 -08:00
git-svn.perl
GIT-VERSION-GEN Git 1.7.9.7 2012-04-26 10:23:15 -07:00
git-web--browse.sh
git.c
git.spec.in git.spec: Workaround localized messages not put in any RPM 2012-02-03 23:06:30 -08:00
gpg-interface.c
gpg-interface.h
graph.c
graph.h
grep.c Sync with 1.7.8.5 2012-02-26 16:42:35 -08:00
grep.h grep: respect diff attributes for binary-ness 2012-02-02 10:36:08 -08:00
hash.c
hash.h
help.c pager: find out the terminal width before spawning the pager 2012-02-13 15:08:47 -08:00
help.h
hex.c
http-backend.c
http-fetch.c
http-push.c
http-walker.c
http.c
http.h
ident.c
imap-send.c Sync with 1.7.6.6 2012-02-05 23:53:21 -08:00
INSTALL Fix build problems related to profile-directed optimization 2012-02-06 00:15:12 -08:00
kwset.c
kwset.h
levenshtein.c
levenshtein.h
LGPL-2.1
list-objects.c
list-objects.h
ll-merge.c
ll-merge.h
lockfile.c
log-tree.c
log-tree.h
mailmap.c mailmap: always return a plain mail address from map_user() 2012-02-06 14:00:06 -08:00
mailmap.h
Makefile Merge branch 'tr/cache-tree' into maint-1.7.8 2012-04-09 13:40:32 -07:00
match-trees.c
merge-file.c
merge-file.h
merge-recursive.c
merge-recursive.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 pager: find out the terminal width before spawning the pager 2012-02-13 15:08:47 -08:00
parse-options-cb.c
parse-options.c
parse-options.h
patch-delta.c
patch-ids.c
patch-ids.h
path.c standardize and improve lookup rules for external local repos 2012-02-02 16:41:55 -08:00
pkt-line.c
pkt-line.h
preload-index.c
pretty.c
progress.c
progress.h
prompt.c prompt: fall back to terminal if askpass fails 2012-02-03 14:37:04 -08:00
prompt.h
quote.c
quote.h
reachable.c
reachable.h
read-cache.c refresh_index: do not show unmerged path that is outside pathspec 2012-02-17 10:11:05 -08:00
README README: point to Documentation/SubmittingPatches 2012-02-23 11:35:59 -08:00
reflog-walk.c
reflog-walk.h
refs.c
refs.h
RelNotes Git 1.7.8.6 2012-04-26 10:14:45 -07:00
remote-curl.c Merge branch 'cb/maint-t5541-make-server-port-portable' into maint-1.7.8 2012-04-09 13:38:41 -07:00
remote.c i18n: format_tracking_info "Your branch is behind" message 2012-02-01 18:09:17 -08:00
remote.h
replace_object.c
rerere.c
rerere.h
resolve-undo.c
resolve-undo.h
revision.c Merge branch 'jk/grep-binary-attribute' into maint 2012-02-21 14:57:05 -08:00
revision.h
run-command.c
run-command.h
send-pack.h
sequencer.c
sequencer.h
server-info.c
setup.c standardize and improve lookup rules for external local repos 2012-02-02 16:41:55 -08:00
sh-i18n--envsubst.c
sha1-array.c
sha1-array.h
sha1-lookup.c
sha1-lookup.h
sha1_file.c Merge branch 'jk/maint-avoid-streaming-filtered-contents' into maint 2012-03-04 22:16:40 -08:00
sha1_name.c
shallow.c
shell.c
shortlog.h
show-index.c
sideband.c
sideband.h
sigchain.c
sigchain.h
strbuf.c Merge branch 'tr/maint-bundle-long-subject' into maint 2012-03-04 22:16:30 -08:00
strbuf.h Merge branch 'tr/maint-bundle-long-subject' into maint 2012-03-04 22:16:30 -08:00
streaming.c
streaming.h
string-list.c
string-list.h
submodule.c
submodule.h
symlinks.c
tag.c
tag.h
tar.h
test-chmtime.c
test-credential.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-mktemp.c
test-obj-pool.c
test-parse-options.c
test-path-utils.c
test-run-command.c
test-scrap-cache-tree.c
test-sha1.c
test-sha1.sh
test-sigchain.c
test-string-pool.c
test-subprocess.c
test-svn-fe.c
test-treap.c
thread-utils.c
thread-utils.h
trace.c
transport-helper.c Merge branch 'sp/smart-http-failure-to-push' into maint 2012-03-04 22:16:33 -08:00
transport.c push/fetch/clone --no-progress suppresses progress output 2012-02-13 13:06:53 -08:00
transport.h
tree-diff.c
tree-walk.c Document limited recursion pathspec matching with wildcards 2012-01-14 18:39:04 -08:00
tree-walk.h
tree.c
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
unpack-trees.c
unpack-trees.h
upload-pack.c
url.c
url.h
usage.c
userdiff.c
userdiff.h
utf8.c
utf8.h
walker.c
walker.h
wrap-for-bin.sh
wrapper.c
write_or_die.c
ws.c
wt-status.c
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.
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 (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.