gitweb.git
Merge branch 'nd/struct-pathspec'Junio C Hamano Mon, 28 Feb 2011 05:17:36 +0000 (21:17 -0800)

Merge branch 'nd/struct-pathspec'

* nd/struct-pathspec: (22 commits)
t6004: add pathspec globbing test for log family
t7810: overlapping pathspecs and depth limit
grep: drop pathspec_matches() in favor of tree_entry_interesting()
grep: use writable strbuf from caller for grep_tree()
grep: use match_pathspec_depth() for cache/worktree grepping
grep: convert to use struct pathspec
Convert ce_path_match() to use match_pathspec_depth()
Convert ce_path_match() to use struct pathspec
struct rev_info: convert prune_data to struct pathspec
pathspec: add match_pathspec_depth()
tree_entry_interesting(): optimize wildcard matching when base is matched
tree_entry_interesting(): support wildcard matching
tree_entry_interesting(): fix depth limit with overlapping pathspecs
tree_entry_interesting(): support depth limit
tree_entry_interesting(): refactor into separate smaller functions
diff-tree: convert base+baselen to writable strbuf
glossary: define pathspec
Move tree_entry_interesting() to tree-walk.c and export it
tree_entry_interesting(): remove dependency on struct diff_options
Convert struct diff_options to use struct pathspec
...

gitweb: Make i18n (encoding) tests in t9500 leave clean... Jakub Narebski Sun, 27 Feb 2011 16:58:32 +0000 (17:58 +0100)

gitweb: Make i18n (encoding) tests in t9500 leave clean state

The most important issue is that after unsetting `i18n.commitencoding'
config variable t9500 no longer will use author and comitter name
containing ISO-8859-1 characters, which are invalid UTF-8 characters.

Besides it is good practice in general to clean up the state in tests.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

git-add: make -A description clearer vs. -uMichael J Gruber Sun, 27 Feb 2011 15:50:10 +0000 (16:50 +0100)

git-add: make -A description clearer vs. -u

Currently, it sounds as if "notice removal of files" distinguishes "-A"
from "-u", and there is no mention of the worktree.

But both notice the removal, and only "-A" adds changes from untracked
files. Say so.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'maint'Junio C Hamano Sun, 27 Feb 2011 08:52:15 +0000 (00:52 -0800)

Merge branch 'maint'

* maint:
branch_merged: fix grammar in warning

branch_merged: fix grammar in warningEric Hanchrow Sat, 26 Feb 2011 03:29:42 +0000 (19:29 -0800)

branch_merged: fix grammar in warning

Signed-off-by: Eric Hanchrow <eric.hanchrow@gmail.com>
Helped-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

update-index --refresh --porcelain: add missing constJonathan Nieder Tue, 22 Feb 2011 22:43:23 +0000 (22:43 +0000)

update-index --refresh --porcelain: add missing const

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

checkout: add missing const to describe_detached_headJonathan Nieder Tue, 22 Feb 2011 22:43:22 +0000 (22:43 +0000)

checkout: add missing const to describe_detached_head

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'maint'Junio C Hamano Tue, 22 Feb 2011 06:46:09 +0000 (22:46 -0800)

Merge branch 'maint'

* maint:
Documentation: clarify -u<mode> option defaults

Documentation: clarify -u<mode> option defaultsClemens Buchacher Mon, 21 Feb 2011 20:05:25 +0000 (21:05 +0100)

Documentation: clarify -u<mode> option defaults

Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'maint'Junio C Hamano Tue, 22 Feb 2011 01:20:11 +0000 (17:20 -0800)

Merge branch 'maint'

* maint:
t/t7500-commit.sh: use test_cmp instead of test
t/gitweb-lib.sh: Ensure that errors are shown for --debug --immediate
gitweb/gitweb.perl: don't call S_ISREG() with undef
gitweb/gitweb.perl: remove use of qw(...) as parentheses

t/t7500-commit.sh: use test_cmp instead of testÆvar Arnfjörð Bjarmason Sat, 19 Feb 2011 18:29:09 +0000 (18:29 +0000)

t/t7500-commit.sh: use test_cmp instead of test

Change commit_msg_is() in t/t7500-commit.sh to use test_cmp instead of
the shell's test function. Now if a test fails we'll get test_cmp
output showing us what failed.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/gitweb-lib.sh: Ensure that errors are shown for ... Ævar Arnfjörð Bjarmason Sat, 19 Feb 2011 18:16:19 +0000 (19:16 +0100)

t/gitweb-lib.sh: Ensure that errors are shown for --debug --immediate

Because '--immediate' stops test suite after first error, therefore in
this mode

test_debug 'cat gitweb.log'

was never ran, thus in effect negating effect of '--debug' option.
This made finidng the cause of errors in gitweb test sute difficult.

Modify the gitweb_run test subroutine to run test_debug itself in the
case of errors (and also remove "test_debug 'cat gitweb.log'" from
gitweb tests).

This makes it possible to run *gitweb tests* with --immediate ---debug
combination of options; also it makes gitweb tests to not output
spurious debug data that is not considered error.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Jakub Narębski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

gitweb/gitweb.perl: don't call S_ISREG() with undefÆvar Arnfjörð Bjarmason Sat, 19 Feb 2011 15:27:42 +0000 (15:27 +0000)

gitweb/gitweb.perl: don't call S_ISREG() with undef

Change S_ISREG($to_mode_oct) to S_ISREG($from_mode_oct) in the branch
that handles from modes, not to modes. This logic appears to have been
caused by copy/paste programming by Jakub Narebski in e8e41a93. It
would be better to rewrite this code not to be duplicated, but I
haven't done so.

This issue caused a failing test on perl 5.13.9, which has a warning
that turned this up:

gitweb.perl: Use of uninitialized value in subroutine entry at /home/avar/g/git/t/../gitweb/gitweb.perl line 4415.

Which caused the Git test suite to fail on this test:

./t9500-gitweb-standalone-no-errors.sh (Wstat: 256 Tests: 90 Failed: 84)
Failed tests: 1-8, 10-36, 38-45, 47-48, 50-88
Non-zero exit status: 1

Reported-by: perl 5.13.9
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

gitweb/gitweb.perl: remove use of qw(...) as parenthesesÆvar Arnfjörð Bjarmason Sat, 19 Feb 2011 15:27:41 +0000 (15:27 +0000)

gitweb/gitweb.perl: remove use of qw(...) as parentheses

Using the qw(...) construct as implicit parentheses was deprecated in
perl 5.13.5. Change the relevant code in gitweb to not use the
deprecated construct. The offending code was introduced in 3562198b by
Jakub Narebski.

The issue is that perl will now warn about this:

$ perl -wE 'for my $i qw(a b) { say $i }'
Use of qw(...) as parentheses is deprecated at -e line 1.
a
b

This caused gitweb.perl to warn on perl 5.13.5 and above, and these
tests to fail on those perl versions:

./t9501-gitweb-standalone-http-status.sh (Wstat: 256 Tests: 11 Failed: 10)
Failed tests: 2-11
Non-zero exit status: 1
./t9502-gitweb-standalone-parse-output.sh (Wstat: 256 Tests: 10 Failed: 9)
Failed tests: 2-10
Non-zero exit status: 1

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Jakub Narębski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'maint'Junio C Hamano Wed, 16 Feb 2011 22:33:22 +0000 (14:33 -0800)

Merge branch 'maint'

* maint:
parse_tag_buffer(): do not prefixcmp() out of range

Merge branch 'maint-1.7.3' into maintJunio C Hamano Wed, 16 Feb 2011 22:33:11 +0000 (14:33 -0800)

Merge branch 'maint-1.7.3' into maint

* maint-1.7.3:

Merge branch 'maint-1.7.2' into maint-1.7.3Junio C Hamano Wed, 16 Feb 2011 22:32:59 +0000 (14:32 -0800)

Merge branch 'maint-1.7.2' into maint-1.7.3

* maint-1.7.2:
fast-import: introduce "feature notes" command
fast-import: clarify documentation of "feature" command

Merge branch 'maint-1.7.1' into maint-1.7.2Junio C Hamano Wed, 16 Feb 2011 22:32:54 +0000 (14:32 -0800)

Merge branch 'maint-1.7.1' into maint-1.7.2

* maint-1.7.1:
fast-import: introduce "feature notes" command
fast-import: clarify documentation of "feature" command

Merge branch 'maint-1.7.0' into maint-1.7.1Junio C Hamano Wed, 16 Feb 2011 22:32:47 +0000 (14:32 -0800)

Merge branch 'maint-1.7.0' into maint-1.7.1

* maint-1.7.0:
fast-import: introduce "feature notes" command
fast-import: clarify documentation of "feature" command

parse_tag_buffer(): do not prefixcmp() out of rangeNguyễn Thái Ngọc Duy Mon, 14 Feb 2011 13:02:51 +0000 (20:02 +0700)

parse_tag_buffer(): do not prefixcmp() out of range

There is a check (size < 64) at the beginning of the function, but
that only covers object+type lines.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'maint'Junio C Hamano Tue, 15 Feb 2011 19:03:22 +0000 (11:03 -0800)

Merge branch 'maint'

* maint:
pull: do not display fetch usage on --help-all
git-tag.txt: list all modes in the description
commit,status: describe -u likewise
add: describe --patch like checkout, reset
commit,merge,tag: describe -m likewise
clone,init: describe --template using the same wording
commit,status: describe --porcelain just like push
commit,tag: use same wording for -F
configure: use AC_LANG_PROGRAM consistently
string_list_append: always set util pointer to NULL
correct type of EMPTY_TREE_SHA1_BIN

pull: do not display fetch usage on --help-allMichael J Gruber Mon, 14 Feb 2011 16:48:08 +0000 (17:48 +0100)

pull: do not display fetch usage on --help-all

Currently, "git pull --help-all" displays the fetch usage info.

Make it equivalent to "git pull -h" instead since "--help-all" is
documented in gitcli(7).

Do not try to sanitize the pull option parser (aka last hair puller).

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

git-tag.txt: list all modes in the descriptionMichael J Gruber Tue, 15 Feb 2011 13:09:10 +0000 (14:09 +0100)

git-tag.txt: list all modes in the description

Currently, the description sounds as if it applied always, but most of
its content is true in "create tag mode" only.

Make this clearer by listing all modes upfront.

Also, sneak in some linguistic improvements and make it clearer that
lightweight tags are "created" because "written" may be misread as
"are output".

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

commit,status: describe -u likewiseMichael J Gruber Tue, 15 Feb 2011 13:09:09 +0000 (14:09 +0100)

commit,status: describe -u likewise

They differ by one character only. Being exactly equal should help
translations.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

add: describe --patch like checkout, resetMichael J Gruber Tue, 15 Feb 2011 13:09:08 +0000 (14:09 +0100)

add: describe --patch like checkout, reset

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

commit,merge,tag: describe -m likewiseMichael J Gruber Tue, 15 Feb 2011 13:09:07 +0000 (14:09 +0100)

commit,merge,tag: describe -m likewise

This also removes the superfluous "specify" and rewords the misleading
"if any" which sounds as if omitting "-m" would omit the merge commit
message. (It means "if a merge commit is created at all".)

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

clone,init: describe --template using the same wordingMichael J Gruber Tue, 15 Feb 2011 13:09:06 +0000 (14:09 +0100)

clone,init: describe --template using the same wording

This also corrects a wrong description for clone.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

commit,status: describe --porcelain just like pushMichael J Gruber Tue, 15 Feb 2011 13:09:05 +0000 (14:09 +0100)

commit,status: describe --porcelain just like push

Push has the clearer description, so take that one for all.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

commit,tag: use same wording for -FMichael J Gruber Tue, 15 Feb 2011 13:09:04 +0000 (14:09 +0100)

commit,tag: use same wording for -F

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Revert "unpack_trees(): skip trees that are the same... Junio C Hamano Tue, 15 Feb 2011 18:47:04 +0000 (10:47 -0800)

Revert "unpack_trees(): skip trees that are the same in all input"

This reverts commit 83c90314aa27ae3768c04375d02e4f3fb12b726d, which
seems to have broken merge to report conflicts when there should be
none.

configure: use AC_LANG_PROGRAM consistentlyRalf Wildenhues Sun, 2 Jan 2011 10:24:55 +0000 (11:24 +0100)

configure: use AC_LANG_PROGRAM consistently

Avoid warnings from Autoconf 2.68 about missing use of AC_LANG_PROGRAM
and friends.

Quoting autoconf-2.68/NEWS:

** The macros AC_PREPROC_IFELSE, AC_COMPILE_IFELSE, AC_LINK_IFELSE, and
AC_RUN_IFELSE now warn if the first argument failed to use
AC_LANG_SOURCE or AC_LANG_PROGRAM to generate the conftest file
contents. A new macro AC_LANG_DEFINES_PROVIDED exists if you have
a compelling reason why you cannot use AC_LANG_SOURCE but must
avoid the warning.

The underlying reason for that change is that AC_LANG_{SOURCE,PROGRAM}
take care to supply the previously computed set of #defines (and
include standard headers if so desired) for preprocessed languages
like C and C++.

In some cases, AC_LANG_PROGRAM is already used but not sufficiently
m4-quoted, so we just need to add another set of [quotes] to prevent
the autoconf warning from being triggered bogusly. Quoting all
arguments (except when calling special macros that need to be expanded
before recursion) is better style, anyway. These and more rules are
described in detail in 'info Autoconf "Programming in M4"'.

No change in the resulting config.mak.autogen after running
./configure intended.

Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

string_list_append: always set util pointer to NULLJeff King Sat, 12 Feb 2011 05:18:51 +0000 (00:18 -0500)

string_list_append: always set util pointer to NULL

It is not immediately obvious that the util field may
contain random bytes after appending an item. Especially
since the string_list_insert* functions _do_ explicitly zero
the util pointer.

This does not appear to be a bug in any current git code, as
all callers either fill in the util field immediately or
never use it. However, it is worth it to be less surprising
to new users of the string-list API who may expect it to be
intialized to NULL.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

correct type of EMPTY_TREE_SHA1_BINJonathan Nieder Mon, 7 Feb 2011 08:17:27 +0000 (02:17 -0600)

correct type of EMPTY_TREE_SHA1_BIN

Functions such as hashcmp that expect a binary SHA-1 value take
parameters of type "unsigned char *" to avoid accepting a textual
SHA-1 passed by mistake. Unfortunately, this means passing the string
literal EMPTY_TREE_SHA1_BIN requires an ugly cast. Tweak the
definition of EMPTY_TREE_SHA1_BIN to produce a value of more
convenient type.

In the future the definition might change to

extern const unsigned char empty_tree_sha1_bin[20];
#define EMPTY_TREE_SHA1_BIN empty_tree_sha1_bin

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Obey p4 views when using client specIan Wienand Sat, 12 Feb 2011 00:33:48 +0000 (16:33 -0800)

Obey p4 views when using client spec

When using the p4 client spec, this attempts to obey the client's
output preferences.

For example, a view like

//depot/foo/branch/... //client/branch/foo/...
//depot/bar/branch/... //client/branch/bar/...

will result in a directory layout in the git tree of

branch/
branch/foo
branch/bar

p4 can do various other reordering that this change doesn't support,
but we should detect it and at least fail nicely.

Signed-off-by: Ian Wienand <ianw@vmware.com>
Acked-by: Pete Wyckoff <pw@padd.com>
Acked-by: Tor Arvid Lund <torarvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

gitignore: add test-mktemp to ignore listÆvar Arnfjörð Bjarmason Sat, 12 Feb 2011 23:21:17 +0000 (23:21 +0000)

gitignore: add test-mktemp to ignore list

Change the .gitignore to ignore test-mktemp which is built from
test-mktemp.c. Arnout Engelen added this in 6cf6bb3 (Improve error
messages when temporary file creation fails, 2010-12-18) but forgot
to add a corresponding entry to .gitignore.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

repo-config: add deprecation warningRené Scharfe Sat, 12 Feb 2011 13:24:10 +0000 (14:24 +0100)

repo-config: add deprecation warning

repo-config was deprecated in 5c66d0d4 on 2008-01-17. Warn the
remaining users that it has been replaced by config and is going to
be removed eventually.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'maint'Junio C Hamano Sat, 12 Feb 2011 00:01:47 +0000 (16:01 -0800)

Merge branch 'maint'

* maint:
Git 1.7.4.1
clone: fixup recurse_submodules option
svn-fe: warn about experimental status

Conflicts:
contrib/examples/git-revert.sh
contrib/svn-fe/svn-fe.txt

Git 1.7.4.1 v1.7.4.1Junio C Hamano Fri, 11 Feb 2011 22:39:55 +0000 (14:39 -0800)

Git 1.7.4.1

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'jc/fsck-fixes' into maintJunio C Hamano Fri, 11 Feb 2011 22:26:10 +0000 (14:26 -0800)

Merge branch 'jc/fsck-fixes' into maint

* jc/fsck-fixes:
fsck: do not give up too early in fsck_dir()
fsck: drop unused parameter from traverse_one_object()

clone: fixup recurse_submodules optionChris Packham Thu, 10 Feb 2011 22:59:31 +0000 (11:59 +1300)

clone: fixup recurse_submodules option

The recurse_submodules option was added in ccdd3da6 to bring 'git clone'
into line with 'git fetch' and future commands. The correct option should
have been "recurse-submodules".

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

svn-fe: warn about experimental statusJonathan Nieder Fri, 11 Feb 2011 10:36:44 +0000 (04:36 -0600)

svn-fe: warn about experimental status

svn-fe is young and some coming cleanups might involve backward
incompatible UI changes. Add some words of warning to the manual so
early adopters that are not following the project closely don't get
burned.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'maint'Junio C Hamano Thu, 10 Feb 2011 22:45:55 +0000 (14:45 -0800)

Merge branch 'maint'

* maint:
compat: helper for detecting unsigned overflow

compat: helper for detecting unsigned overflowJonathan Nieder Mon, 11 Oct 2010 02:59:26 +0000 (21:59 -0500)

compat: helper for detecting unsigned overflow

The idiom (a + b < a) works fine for detecting that an unsigned
integer has overflowed, but a more explicit

unsigned_add_overflows(a, b)

might be easier to read.

Define such a macro, expanding roughly to ((a) < UINT_MAX - (b)).
Because the expansion uses each argument only once outside of sizeof()
expressions, it is safe to use with arguments that have side effects.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'tr/merge-unborn-clobber'Junio C Hamano Thu, 10 Feb 2011 00:41:17 +0000 (16:41 -0800)

Merge branch 'tr/merge-unborn-clobber'

* tr/merge-unborn-clobber:
Exhibit merge bug that clobbers index&WT

Conflicts:
t/t7607-merge-overwrite.sh

Merge branch 'jc/unpack-trees'Junio C Hamano Thu, 10 Feb 2011 00:41:17 +0000 (16:41 -0800)

Merge branch 'jc/unpack-trees'

* jc/unpack-trees:
unpack_trees(): skip trees that are the same in all input
unpack-trees.c: cosmetic fix

Conflicts:
unpack-trees.c

Merge branch 'jc/fsck-fixes'Junio C Hamano Thu, 10 Feb 2011 00:41:17 +0000 (16:41 -0800)

Merge branch 'jc/fsck-fixes'

* jc/fsck-fixes:
fsck: do not give up too early in fsck_dir()
fsck: drop unused parameter from traverse_one_object()

Merge branch 'tr/diff-words-test'Junio C Hamano Thu, 10 Feb 2011 00:41:17 +0000 (16:41 -0800)

Merge branch 'tr/diff-words-test'

* tr/diff-words-test:
t4034 (diff --word-diff): add a minimum Perl drier test vector
t4034 (diff --word-diff): style suggestions
userdiff: simplify word-diff safeguard
t4034: bulk verify builtin word regex sanity

Merge branch 'rr/fi-import-marks-if-exists'Junio C Hamano Thu, 10 Feb 2011 00:41:16 +0000 (16:41 -0800)

Merge branch 'rr/fi-import-marks-if-exists'

* rr/fi-import-marks-if-exists:
fast-import: Introduce --import-marks-if-exists

Merge branch 'jn/unpack-lstat-failure-report'Junio C Hamano Thu, 10 Feb 2011 00:41:16 +0000 (16:41 -0800)

Merge branch 'jn/unpack-lstat-failure-report'

* jn/unpack-lstat-failure-report:
unpack-trees: handle lstat failure for existing file
unpack-trees: handle lstat failure for existing directory

Merge branch 'ef/alias-via-run-command'Junio C Hamano Thu, 10 Feb 2011 00:41:16 +0000 (16:41 -0800)

Merge branch 'ef/alias-via-run-command'

* ef/alias-via-run-command:
alias: use run_command api to execute aliases

Merge branch 'cb/setup'Junio C Hamano Thu, 10 Feb 2011 00:41:16 +0000 (16:41 -0800)

Merge branch 'cb/setup'

* cb/setup:
setup: translate symlinks in filename when using absolute paths

Merge branch 'ae/better-template-failure-report'Junio C Hamano Thu, 10 Feb 2011 00:41:16 +0000 (16:41 -0800)

Merge branch 'ae/better-template-failure-report'

* ae/better-template-failure-report:
Improve error messages when temporary file creation fails

Merge branch 'jn/cherry-pick-strategy-option'Junio C Hamano Thu, 10 Feb 2011 00:41:16 +0000 (16:41 -0800)

Merge branch 'jn/cherry-pick-strategy-option'

* jn/cherry-pick-strategy-option:
cherry-pick/revert: add support for -X/--strategy-option

Merge branch 'maint-1.7.0' into maintJunio C Hamano Thu, 10 Feb 2011 00:40:12 +0000 (16:40 -0800)

Merge branch 'maint-1.7.0' into maint

* maint-1.7.0:
fast-import: introduce "feature notes" command
fast-import: clarify documentation of "feature" command

Conflicts:
Documentation/git-fast-import.txt

fast-import: introduce "feature notes" commandJonathan Nieder Wed, 9 Feb 2011 22:43:57 +0000 (16:43 -0600)

fast-import: introduce "feature notes" command

Here is a 'feature' command for streams to use to require support for
the notemodify (N) command.

When the 'feature' facility was introduced (v1.7.0-rc0~95^2~4,
2009-12-04), the notes import feature was old news (v1.6.6-rc0~21^2~8,
2009-10-09) and it was not obvious it deserved to be a named feature.
But now that is clear, since all major non-git fast-import backends
lack support for it.

Details: on git version with this patch applied, any "feature notes"
command in the features/options section at the beginning of a stream
will be treated as a no-op. On fast-import implementations without
the feature (and older git versions), the command instead errors out
with a message like

This version of fast-import does not support feature notes.

So by declaring use of notes at the beginning of a stream, frontends
can avoid wasting time and other resources when the backend does not
support notes. (This would be especially important for backends that
do not support rewinding history after a botched import.)

Improved-by: Thomas Rast <trast@student.ethz.ch>
Improved-by: Sverre Rabbelier <srabbelier@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

fast-import: clarify documentation of "feature" commandJonathan Nieder Sun, 28 Nov 2010 19:43:57 +0000 (13:43 -0600)

fast-import: clarify documentation of "feature" command

The "feature" command allows streams to specify options for the import
that must not be ignored. Logically, they are part of the stream,
even though technically most supported features are synonyms to
command-line options.

Make this more obvious by being more explicit about how the analogy
between most "feature" commands and command-line options works. Treat
the feature (import-marks) that does not fit this analogy separately.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Acked-by: Sverre Rabbelier <srabbelier@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/merge subtree How-To: fix typoUwe Kleine-König Wed, 9 Feb 2011 09:04:43 +0000 (10:04 +0100)

Documentation/merge subtree How-To: fix typo

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

pull: Document the "--[no-]recurse-submodules" optionsJens Lehmann Mon, 7 Feb 2011 22:24:54 +0000 (23:24 +0100)

pull: Document the "--[no-]recurse-submodules" options

In commits be254a0ea9 and 7dce19d374 the handling of the new fetch options
"--[no-]recurse-submodules" had been added to git-pull.sh. But they were
not documented as the pull options they now are, so let's fix that.

Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

quote.h: simplify the inclusionJonathan Nieder Wed, 5 Jan 2011 00:36:34 +0000 (18:36 -0600)

quote.h: simplify the inclusion

Attempting to include quote.h without first including strbuf.h results
in warnings:

./quote.h:33:33: warning: ‘struct strbuf’ declared inside parameter list
./quote.h:33:33: warning: its scope is only this definition or declaration, which is probably not what you want
./quote.h:34:34: warning: ‘struct strbuf’ declared inside parameter list
...

Add a toplevel declaration for struct strbuf to avoid this.

While at it, stop including system headers from quote.h. git source
files already need to include git-compat-util.h sooner to ensure the
appropriate feature test macros are defined.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

sha1_object_info: examine cached_object store tooNguyễn Thái Ngọc Duy Sat, 5 Feb 2011 14:03:02 +0000 (21:03 +0700)

sha1_object_info: examine cached_object store too

Cached object store was added in d66b37b (Add pretend_sha1_file()
interface. - 2007-02-04) as a way to temporarily inject some objects
to object store.

But only read_sha1_file() knows about this store. While it will return
an object from this store, sha1_object_info() will happily say
"object not found".

Teach sha1_object_info() about the cached store for consistency.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

sha1_file.c: move find_cached_object up so sha1_object_... Nguyễn Thái Ngọc Duy Sat, 5 Feb 2011 14:03:01 +0000 (21:03 +0700)

sha1_file.c: move find_cached_object up so sha1_object_info can use it

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Add const to parse_{commit,tag}_buffer()Nguyễn Thái Ngọc Duy Sat, 5 Feb 2011 10:52:20 +0000 (17:52 +0700)

Add const to parse_{commit,tag}_buffer()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff: support --cached on unborn branchesNguyễn Thái Ngọc Duy Thu, 3 Feb 2011 06:23:34 +0000 (13:23 +0700)

diff: support --cached on unborn branches

"git diff --cached" (without revision) used to mean "git diff --cached
HEAD" (i.e. the user was too lazy to type HEAD). This "correctly"
failed when there was no commit yet. But was that correctness useful?

This patch changes the definition of what particular command means.
It is a request to show what _would_ be committed without further "git
add". The internal implementation is the same "git diff --cached HEAD"
when HEAD exists, but when there is no commit yet, it compares the index
with an empty tree object to achieve the desired result.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

gitweb: Mention optional Perl modules in INSTALLJakub Narebski Thu, 3 Feb 2011 23:20:48 +0000 (00:20 +0100)

gitweb: Mention optional Perl modules in INSTALL

Some optional additional Perl modules are required for some of extra
features. Mention those in gitweb/INSTALL.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

post-receive-email: suppress error if description file... Sitaram Chamarty Thu, 3 Feb 2011 01:00:32 +0000 (06:30 +0530)

post-receive-email: suppress error if description file missing

Signed-off-by: Sitaram Chamarty <sitaramc@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t7407: fix line endings for mingw buildPat Thoyts Thu, 3 Feb 2011 15:31:44 +0000 (15:31 +0000)

t7407: fix line endings for mingw build

Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t4120-apply-popt: help systems with core.filemode=falseJohannes Sixt Thu, 3 Feb 2011 15:31:43 +0000 (15:31 +0000)

t4120-apply-popt: help systems with core.filemode=false

A test case verifies that filemode-only patches work as expected. Help
systems where "test -x" does not work by applying the test patch also to
the index, where the effects can be verified even on such systems.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t3509: use unconstrained initial test to setup repository.Pat Thoyts Thu, 3 Feb 2011 15:31:42 +0000 (15:31 +0000)

t3509: use unconstrained initial test to setup repository.

The first test did not run on msysGit due to the SYMLINKS constraint and
so subsequent tests failed because the test repository was not initialized.

Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

start_command: flush buffers in the WIN32 code path... Johannes Sixt Fri, 4 Feb 2011 08:41:58 +0000 (09:41 +0100)

start_command: flush buffers in the WIN32 code path as well

The POSIX code path did The Right Thing already, but we have to do the same
on Windows.

This bug caused failures in t5526-fetch-submodules, where the output of
'git fetch --recurse-submodules' was in the wrong order.

Debugged-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

bundle: Use OFS_DELTA in bundle filesShawn O. Pearce Sun, 6 Feb 2011 00:58:53 +0000 (16:58 -0800)

bundle: Use OFS_DELTA in bundle files

git-bundle first appeared in 2e0afafe ("Add git-bundle") in Feb 2007,
and first shipped in Git 1.5.1.

However, OFS_DELTA is an even earlier invention, coming about in
eb32d236 ("introduce delta objects with offset to base") in Sep 2006,
and first shipped in Git 1.4.4.5.

OFS_DELTA is smaller, about 3.2%-5% smaller, and is typically faster
to access than REF_DELTA because the exact location of the delta base
is available after parsing the object header. Since all bundle aware
versions of Git are also OFS_DELTA aware, just make it the default.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t6004: add pathspec globbing test for log familyJunio C Hamano Mon, 31 Jan 2011 20:09:53 +0000 (12:09 -0800)

t6004: add pathspec globbing test for log family

Earlier e10cb0f (tree_entry_interesting(): support wildcard matching,
2010-12-15) and b3d4b34 (tree_entry_interesting(): optimize wildcard
matching when base is matched, 2010-12-15) added tests for globbing
support for diff-tree plumbing. This is a follow-up to update the test
for revision traversal and path pruning machinery for the same topic.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

t7810: overlapping pathspecs and depth limitNguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:56 +0000 (22:02 +0700)

t7810: overlapping pathspecs and depth limit

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

grep: drop pathspec_matches() in favor of tree_entry_in... Nguyễn Thái Ngọc Duy Fri, 17 Dec 2010 12:45:33 +0000 (19:45 +0700)

grep: drop pathspec_matches() in favor of tree_entry_interesting()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

grep: use writable strbuf from caller for grep_tree()Nguyễn Thái Ngọc Duy Fri, 17 Dec 2010 12:44:25 +0000 (19:44 +0700)

grep: use writable strbuf from caller for grep_tree()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

grep: use match_pathspec_depth() for cache/worktree... Nguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:52 +0000 (22:02 +0700)

grep: use match_pathspec_depth() for cache/worktree grepping

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

grep: convert to use struct pathspecNguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:51 +0000 (22:02 +0700)

grep: convert to use struct pathspec

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Convert ce_path_match() to use match_pathspec_depth()Nguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:50 +0000 (22:02 +0700)

Convert ce_path_match() to use match_pathspec_depth()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Convert ce_path_match() to use struct pathspecNguyễn Thái Ngọc Duy Fri, 17 Dec 2010 12:43:07 +0000 (19:43 +0700)

Convert ce_path_match() to use struct pathspec

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

struct rev_info: convert prune_data to struct pathspecNguyễn Thái Ngọc Duy Fri, 17 Dec 2010 12:43:06 +0000 (19:43 +0700)

struct rev_info: convert prune_data to struct pathspec

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

pathspec: add match_pathspec_depth()Nguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:48 +0000 (22:02 +0700)

pathspec: add match_pathspec_depth()

match_pathspec_depth() is a clone of match_pathspec() except that it
can take depth limit. Computation is a bit lighter compared to
match_pathspec() because it's usually precomputed and stored in struct
pathspec.

In long term, match_pathspec() and match_one() should be removed in
favor of this function.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

tree_entry_interesting(): optimize wildcard matching... Nguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:47 +0000 (22:02 +0700)

tree_entry_interesting(): optimize wildcard matching when base is matched

If base is already matched, skip that part when calling
fnmatch(). This happens quite often if users start a command from
worktree's subdirectory and prefix is usually prepended to all
pathspecs.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

tree_entry_interesting(): support wildcard matchingNguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:46 +0000 (22:02 +0700)

tree_entry_interesting(): support wildcard matching

never_interesting optimization is disabled if there is any wildcard
pathspec, even if it only matches exactly on trees.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

tree_entry_interesting(): fix depth limit with overlapp... Nguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:45 +0000 (22:02 +0700)

tree_entry_interesting(): fix depth limit with overlapping pathspecs

Suppose we have two pathspecs 'a' and 'a/b' (both are dirs) and depth
limit 1. In current code, pathspecs are checked in input order. When
'a/b' is checked against pathspec 'a', it fails depth limit and
therefore is excluded, although it should match 'a/b' pathspec.

This patch reorders all pathspecs alphabetically, then teaches
tree_entry_interesting() to check against the deepest pathspec first,
so depth limit of a shallower pathspec won't affect a deeper one.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

tree_entry_interesting(): support depth limitNguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:44 +0000 (22:02 +0700)

tree_entry_interesting(): support depth limit

This is needed to replace pathspec_matches() in builtin/grep.c.

max_depth == -1 means infinite depth. Depth limit is only effective
when pathspec.recursive == 1. When pathspec.recursive == 0, the
behavior depends on match functions: non-recursive for
tree_entry_interesting() and recursive for match_pathspec{,_depth}

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

tree_entry_interesting(): refactor into separate smalle... Nguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:43 +0000 (22:02 +0700)

tree_entry_interesting(): refactor into separate smaller functions

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff-tree: convert base+baselen to writable strbufNguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:42 +0000 (22:02 +0700)

diff-tree: convert base+baselen to writable strbuf

In traversing trees, a full path is splitted into two parts: base
directory and entry. They are however quite often concatenated
whenever a full path is needed. Current code allocates a new buffer,
do two memcpy(), use it, then release.

Instead this patch turns "base" to a writable, extendable buffer. When
a concatenation is needed, the callee only needs to append "entry" to
base, use it, then truncate the entry out again. "base" must remain
unchanged before and after entering a function.

This avoids quite a bit of malloc() and memcpy().

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

glossary: define pathspecJonathan Nieder Wed, 15 Dec 2010 15:02:41 +0000 (22:02 +0700)

glossary: define pathspec

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Move tree_entry_interesting() to tree-walk.c and export itNguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:40 +0000 (22:02 +0700)

Move tree_entry_interesting() to tree-walk.c and export it

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

tree_entry_interesting(): remove dependency on struct... Nguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:39 +0000 (22:02 +0700)

tree_entry_interesting(): remove dependency on struct diff_options

This function can be potentially used in more places than just
tree-diff.c. "struct diff_options" does not make much sense outside
diff_tree_sha1().

While removing the use of diff_options, it also removes
tree_entry_extract() call, which means S_ISDIR() uses the entry->mode
directly, without being filtered by canon_mode() (called internally
inside tree_entry_extract).

The only use of the mode information in this function is to check the
type of the entry by giving it to S_ISDIR() macro, and the result does
not change with or without canon_mode(), so it is ok to bypass
tree_entry_extract().

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Convert struct diff_options to use struct pathspecNguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:38 +0000 (22:02 +0700)

Convert struct diff_options to use struct pathspec

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff-no-index: use diff_tree_setup_paths()Nguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:37 +0000 (22:02 +0700)

diff-no-index: use diff_tree_setup_paths()

diff_options.{paths,nr_paths} will be removed later. Do not
modify them directly.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Add struct pathspecNguyễn Thái Ngọc Duy Wed, 15 Dec 2010 15:02:36 +0000 (22:02 +0700)

Add struct pathspec

The old pathspec structure remains as pathspec.raw[]. New things are
stored in pathspec.items[]. There's no guarantee that the pathspec
order in raw[] is exactly as in items[].

raw[] is external (source) data and is untouched by pathspec
manipulation functions. It eases migration from old const char ** to
this new struct.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'jl/fetch-submodule-recursive' into maintJunio C Hamano Mon, 31 Jan 2011 18:05:57 +0000 (10:05 -0800)

Merge branch 'jl/fetch-submodule-recursive' into maint

* jl/fetch-submodule-recursive:
t5526: Fix wrong argument order in "git config"

t5526: Fix wrong argument order in "git config"Jens Lehmann Mon, 31 Jan 2011 16:51:25 +0000 (17:51 +0100)

t5526: Fix wrong argument order in "git config"

This fixes a typo where the "git config" arguments "-f" and "--unset" were
swapped leading to the creation of a "--unset" file.

Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Git 1.7.4 v1.7.4Junio C Hamano Sun, 30 Jan 2011 19:53:13 +0000 (11:53 -0800)

Git 1.7.4

Signed-off-by: Junio C Hamano <gitster@pobox.com>

fsck: do not give up too early in fsck_dir()Junio C Hamano Wed, 26 Jan 2011 21:01:54 +0000 (13:01 -0800)

fsck: do not give up too early in fsck_dir()

When there is a random garbage file whose name happens to be 38-byte
long in a .git/objects/??/ directory, the loop terminated prematurely
without marking all the other files that it hasn't checked in the
readdir() loop.

Treat such a file just like any other garbage file, and do not break out
of the readdir() loop.

While at it, replace repeated sprintf() calls to a single one outside the
loop.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

fsck: drop unused parameter from traverse_one_object()Junio C Hamano Wed, 26 Jan 2011 20:46:55 +0000 (12:46 -0800)

fsck: drop unused parameter from traverse_one_object()

Also add comments to seemingly unsafe pointer dereferences, that
are all safe.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Don't pass "--xhtml" to hightlight in gitweb.perl script.Adam Tkac Thu, 27 Jan 2011 12:51:51 +0000 (13:51 +0100)

Don't pass "--xhtml" to hightlight in gitweb.perl script.

The "--xhtml" option is supported only in highlight < 3.0. There is no option
to enforce (X)HTML output format compatible with both highlight < 3.0 and
highlight >= 3.0. However default output format is HTML so we don't need to
explicitly specify it.

Signed-off-by: Adam Tkac <atkac@redhat.com>
Helped-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Merge branch 'maint'Junio C Hamano Thu, 27 Jan 2011 18:27:49 +0000 (10:27 -0800)

Merge branch 'maint'

* maint:
rebase -i: clarify in-editor documentation of "exec"
tests: sanitize more git environment variables
fast-import: treat filemodify with empty tree as delete
rebase: give a better error message for bogus branch
rebase: use explicit "--" with checkout

Conflicts:
t/t9300-fast-import.sh

rebase -i: clarify in-editor documentation of "exec"Jonathan Nieder Fri, 21 Jan 2011 00:36:24 +0000 (18:36 -0600)

rebase -i: clarify in-editor documentation of "exec"

The hints in the current "instruction sheet" template look like so:

# Rebase 3f14246..a1d7e01 onto 3f14246
#
# Commands:
# p, pick = use commit
# r, reword = use commit, but edit the commit message
# e, edit = use commit, but stop for amending
# s, squash = use commit, but meld into previous commit
# f, fixup = like "squash", but discard this commit's log message
# x <cmd>, exec <cmd> = Run a shell command <cmd>, and stop if it fails
#
# If you remove a line here THAT COMMIT WILL BE LOST.
# However, if you remove everything, the rebase will be aborted.
#

This does not make it clear that the format of each line is

<insn> <commit id> <explanatory text that will be printed>

but the reader will probably infer that from the automatically
generated pick examples above it.

What about the "exec" instruction? By analogy, I might imagine that
the format of that line is "exec <command> <explanatory text>", and
the "x <cmd>" hint does not address that question (at first I read it
as taking an argument <cmd> that is the name of a shell). Meanwhile,
the mention of <cmd> makes the hints harder to scan as a table.

So remove the <cmd> and add some words to remind the reader that
"exec" runs a command named by the rest of the line. To make room, it
is left to the manpage to explain that that command is run using
$SHELL and that nonzero status from that command will pause the
rebase.

Wording from Junio.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>