Code

git.git
13 years agocommit, status: use status_printf{,_ln,_more} helpers
Jonathan Nieder [Sat, 26 Feb 2011 05:11:37 +0000 (23:11 -0600)]
commit, status: use status_printf{,_ln,_more} helpers

wt-status code is used to provide a reminder of changes included and
not included for the commit message template opened in the operator's
text editor by "git commit".  Therefore each line of its output begins
with the comment character "#":

# Please enter the commit message for your changes. Lines starting

Use the new status_printf{,_ln,_more} functions to take care of adding
"#" to the beginning of such status lines automatically.  Using these
will have two advantages over the current code:

 - The obvious one is to force separation of the "#" from the
   translatable part of the message when git learns to translate its
   output.

 - Another advantage is that this makes it easier for us to drop "#"
   prefix in "git status" output in later versions of git if we want
   to.

Explained-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agocommit: refer to commit template as s->fp
Jonathan Nieder [Sat, 26 Feb 2011 05:10:49 +0000 (23:10 -0600)]
commit: refer to commit template as s->fp

Instead of maintaining a local variable for it, use s->fp to keep
track of where the commit message template should be written.

This prepares us to take advantage of the status_printf functions,
which use a struct wt_status instead of a FILE pointer to determine
where to send their output.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agowt-status: add helpers for printing wt-status lines
Jonathan Nieder [Sat, 26 Feb 2011 05:09:41 +0000 (23:09 -0600)]
wt-status: add helpers for printing wt-status lines

Introduce status_printf{,_ln,_more} wrapper functions around
color_vfprintf() which take care of adding "#" to the beginning of
status lines automatically.  The semantics:

 - status_printf() is just like color_fprintf() but it adds a "# "
   at the beginning of each line of output;

 - status_printf_ln() is a convenience function that additionally
   adds "\n" at the end;

 - status_printf_more() is a variant of status_printf() used to
   continue lines that have already started.  It suppresses the "#" at
   the beginning of the first line.

Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agocompat: fall back on __va_copy if available
Jonathan Nieder [Tue, 8 Mar 2011 08:33:44 +0000 (02:33 -0600)]
compat: fall back on __va_copy if available

Since an obvious implementation of va_list is to make it a pointer
into the stack frame, implementing va_copy as "dst = src" will work on
many systems.  Platforms that use something different (e.g., a size-1
array of structs, to be assigned with *(dst) = *(src)) will need some
other compatibility macro, though.

Luckily, as the glibc manual hints, such systems tend to provide the
__va_copy macro (introduced in GCC in March, 1997).  By using that if
it is available, we can cover our bases pretty well.

Discovered by building with CC="gcc -std=c89" on an amd64 machine:

 $ make CC=c89 strbuf.o
 [...]
 strbuf.c: In function 'strbuf_vaddf':
 strbuf.c:211:2: error: incompatible types when assigning to type 'va_list'
  from type 'struct __va_list_tag *'
 make: *** [strbuf.o] Error 1

Explained-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agostrbuf: add strbuf_vaddf
Jeff King [Sat, 26 Feb 2011 05:08:53 +0000 (23:08 -0600)]
strbuf: add strbuf_vaddf

In a variable-args function, the code for writing into a strbuf is
non-trivial. We ended up cutting and pasting it in several places
because there was no vprintf-style function for strbufs (which in turn
was held up by a lack of va_copy).

Now that we have a fallback va_copy, we can add strbuf_vaddf, the
strbuf equivalent of vsprintf. And we can clean up the cut and paste
mess.

Signed-off-by: Jeff King <peff@peff.net>
Improved-by: Christian Couder <christian.couder@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agocompat: provide a fallback va_copy definition
Jeff King [Sat, 26 Feb 2011 05:08:25 +0000 (23:08 -0600)]
compat: provide a fallback va_copy definition

va_copy is C99.  We have avoided using va_copy many times in the past,
which has led to a bunch of cut-and-paste.  From everything I found
searching the web, implementations have historically either provided
va_copy or just let your code assume that simple assignment of worked.

So my guess is that this will be sufficient, though we won't really
know for sure until somebody reports a problem.

Signed-off-by: Jeff King <peff@peff.net>
Improved-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agoupdate-index --refresh --porcelain: add missing const
Jonathan 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>
13 years agocheckout: add missing const to describe_detached_head
Jonathan 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>
13 years agoMerge 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

13 years agoDocumentation: clarify -u<mode> option defaults
Clemens 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>
13 years agoMerge 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

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

13 years agoMerge branch 'maint-1.7.3' into maint
Junio 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:

13 years agoMerge branch 'maint-1.7.2' into maint-1.7.3
Junio 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

13 years agoMerge branch 'maint-1.7.1' into maint-1.7.2
Junio 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

13 years agoMerge branch 'maint-1.7.0' into maint-1.7.1
Junio 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

13 years agoparse_tag_buffer(): do not prefixcmp() out of range
Nguyễn 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>
13 years agoMerge 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

13 years agopull: do not display fetch usage on --help-all
Michael 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>
13 years agogit-tag.txt: list all modes in the description
Michael 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>
13 years agocommit,status: describe -u likewise
Michael 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>
13 years agoadd: describe --patch like checkout, reset
Michael 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>
13 years agocommit,merge,tag: describe -m likewise
Michael 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>
13 years agoclone,init: describe --template using the same wording
Michael 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>
13 years agocommit,status: describe --porcelain just like push
Michael 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>
13 years agocommit,tag: use same wording for -F
Michael 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>
13 years agoRevert "unpack_trees(): skip trees that are the same in all input"
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.

13 years agoconfigure: use AC_LANG_PROGRAM consistently
Ralf 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>
13 years agostring_list_append: always set util pointer to NULL
Jeff 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>
13 years agocorrect type of EMPTY_TREE_SHA1_BIN
Jonathan 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>
13 years agoObey p4 views when using client spec
Ian 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>
13 years agogitignore: add test-mktemp to ignore list
Ævar 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>
13 years agorepo-config: add deprecation warning
René 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>
13 years agoMerge 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

13 years agoGit 1.7.4.1 v1.7.4.1
Junio 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>
13 years agoMerge branch 'jc/fsck-fixes' into maint
Junio 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()

13 years agoclone: fixup recurse_submodules option
Chris 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>
13 years agosvn-fe: warn about experimental status
Jonathan 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>
13 years agoMerge 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

13 years agocompat: helper for detecting unsigned overflow
Jonathan 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>
13 years agoMerge 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

13 years agoMerge 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

13 years agoMerge 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()

13 years agoMerge 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

13 years agoMerge 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

13 years agoMerge 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

13 years agoMerge 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

13 years agoMerge 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

13 years agoMerge 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

13 years agoMerge 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

13 years agoMerge branch 'maint-1.7.0' into maint
Junio 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

13 years agofast-import: introduce "feature notes" command
Jonathan 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>
13 years agofast-import: clarify documentation of "feature" command
Jonathan 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>
13 years agoDocumentation/merge subtree How-To: fix typo
Uwe 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>
13 years agopull: Document the "--[no-]recurse-submodules" options
Jens 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>
13 years agoquote.h: simplify the inclusion
Jonathan 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>
13 years agosha1_object_info: examine cached_object store too
Nguyễn 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>
13 years agosha1_file.c: move find_cached_object up so sha1_object_info can use it
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>
13 years agoAdd 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>
13 years agodiff: support --cached on unborn branches
Nguyễn 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>
13 years agogitweb: Mention optional Perl modules in INSTALL
Jakub 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>
13 years agopost-receive-email: suppress error if description file missing
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>
13 years agot7407: fix line endings for mingw build
Pat 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>
13 years agot4120-apply-popt: help systems with core.filemode=false
Johannes 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>
13 years agot3509: 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>
13 years agostart_command: flush buffers in the WIN32 code path as well
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>
13 years agobundle: Use OFS_DELTA in bundle files
Shawn 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>
13 years agoMerge branch 'jl/fetch-submodule-recursive' into maint
Junio 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"

13 years agot5526: 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>
13 years agoGit 1.7.4 ko-master v1.7.4
Junio 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>
13 years agofsck: 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>
13 years agofsck: 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>
13 years agoDon'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>
13 years agoMerge 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

13 years agorebase -i: clarify in-editor documentation of "exec" ko-maint
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>
13 years agotests: sanitize more git environment variables
Jeff King [Wed, 26 Jan 2011 20:33:32 +0000 (15:33 -0500)]
tests: sanitize more git environment variables

These variables should generally not be set in one's
environment, but they do get set by rebase, which means
doing an interactive rebase like:

  pick abcd1234 foo
  exec make test

will cause false negatives in the test suite.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agoMerge branch 'jn/fast-import-empty-tree-removal' into maint
Junio C Hamano [Thu, 27 Jan 2011 18:23:53 +0000 (10:23 -0800)]
Merge branch 'jn/fast-import-empty-tree-removal' into maint

* jn/fast-import-empty-tree-removal:
  fast-import: treat filemodify with empty tree as delete

13 years agofast-import: treat filemodify with empty tree as delete
Jonathan Nieder [Thu, 27 Jan 2011 06:07:49 +0000 (00:07 -0600)]
fast-import: treat filemodify with empty tree as delete

Normal git processes do not allow one to build a tree with an empty
subtree entry without trying hard at it.  This is in keeping with the
general UI philosophy: git tracks content, not empty directories.

v1.7.3-rc0~75^2 (2010-06-30) changed that by making it easy to include
an empty subtree in fast-import's active commit:

M 040000 4b825dc642cb6eb9a060e54bf8d69288fbee4904 subdir

One can trigger this by reading an empty tree (for example, the tree
corresponding to an empty root commit) and trying to move it to a
subtree.  It is better and more closely analogous to 'git read-tree
--prefix' to treat such commands as requests to remove the subtree.

Noticed-by: David Barr <david.barr@cordelta.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agorebase: give a better error message for bogus branch
Jeff King [Thu, 27 Jan 2011 00:27:11 +0000 (19:27 -0500)]
rebase: give a better error message for bogus branch

When you give a non-existent branch to git-rebase, it spits
out the usage. This can be confusing, since you may
understand the usage just fine, but simply have made a
mistake in the branch name.

Before:

  $ git rebase origin bogus
  Usage: git rebase ...

After:

  $ git rebase origin bogus
  fatal: no such branch: bogus
  Usage: git rebase ...

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agorebase: use explicit "--" with checkout
Jeff King [Thu, 27 Jan 2011 00:26:59 +0000 (19:26 -0500)]
rebase: use explicit "--" with checkout

In the case of a ref/pathname conflict, checkout will
already do the right thing and checkout the ref. However,
for a non-existant ref, this has two advantages:

  1. If a file with that pathname exists, rebase will
     refresh the file from the index and then rebase the
     current branch instead of producing an error.

  2. If no such file exists, the error message using an
     explicit "--" is better:

       # before
       $ git rebase -i origin bogus
       error: pathspec 'bogus' did not match any file(s) known to git.
       Could not checkout bogus

       # after
       $ git rebase -i origin bogus
       fatal: invalid reference: bogus
       Could not checkout bogus

The problems seem to be trigger-able only through "git
rebase -i", as regular git-rebase checks the validity of the
branch parameter as a ref very early on. However, it doesn't
hurt to be defensive.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agoGit 1.7.4-rc3 v1.7.4-rc3
Junio C Hamano [Mon, 24 Jan 2011 19:00:00 +0000 (11:00 -0800)]
Git 1.7.4-rc3

Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agoMerge branch 'as/userdiff-pascal'
Junio C Hamano [Mon, 24 Jan 2011 18:54:12 +0000 (10:54 -0800)]
Merge branch 'as/userdiff-pascal'

* as/userdiff-pascal:
  userdiff: match Pascal class methods

13 years agoMerge branch 'jn/setup-fixes'
Junio C Hamano [Mon, 24 Jan 2011 18:53:09 +0000 (10:53 -0800)]
Merge branch 'jn/setup-fixes'

* jn/setup-fixes:
  t1510: fix typo in the comment of a test
  Documentation updates for 'GIT_WORK_TREE without GIT_DIR' historical usecase
  Subject: setup: officially support --work-tree without --git-dir
  tests: compress the setup tests
  tests: cosmetic improvements to the repo-setup test
  t/README: hint about using $(pwd) rather than $PWD in tests
  Fix expected values of setup tests on Windows

13 years agot1510: fix typo in the comment of a test
Jonathan Nieder [Sat, 22 Jan 2011 20:02:48 +0000 (14:02 -0600)]
t1510: fix typo in the comment of a test

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agoDocumentation updates for 'GIT_WORK_TREE without GIT_DIR' historical usecase
Junio C Hamano [Sun, 23 Jan 2011 23:49:41 +0000 (15:49 -0800)]
Documentation updates for 'GIT_WORK_TREE without GIT_DIR' historical usecase

Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agoSubject: setup: officially support --work-tree without --git-dir
Jonathan Nieder [Wed, 19 Jan 2011 12:42:30 +0000 (06:42 -0600)]
Subject: setup: officially support --work-tree without --git-dir

The original intention of --work-tree was to allow people to work in a
subdirectory of their working tree that does not have an embedded .git
directory.  Because their working tree, which their $cwd was in, did not
have an embedded .git, they needed to use $GIT_DIR to specify where it is,
and because this meant there was no way to discover where the root level
of the working tree was, so we needed to add $GIT_WORK_TREE to tell git
where it was.

However, this facility has long been (mis)used by people's scripts to
start git from a working tree _with_ an embedded .git directory, let git
find .git directory, and then pretend as if an unrelated directory were
the associated working tree of the .git directory found by the discovery
process.  It happens to work in simple cases, and is not worth causing
"regression" to these scripts.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agoDocumentation: do not treat reset --keep as a special case
Jonathan Nieder [Fri, 21 Jan 2011 18:37:34 +0000 (12:37 -0600)]
Documentation: do not treat reset --keep as a special case

The current treatment of "git reset --keep" emphasizes how it
differs from --hard (treatment of local changes) and how it breaks
down into plumbing (git read-tree -m -u HEAD <commit> followed by git
update-ref HEAD <commit>).  This can discourage people from using
it, since it might seem to be a complex or niche option.

Better to emphasize what the --keep flag is intended for --- moving
the index and worktree from one commit to another, like "git checkout"
would --- so the reader can make a more informed decision about the
appropriate situations in which to use it.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agoCorrectly report corrupted objects
Björn Steinbrink [Thu, 20 Jan 2011 20:12:20 +0000 (21:12 +0100)]
Correctly report corrupted objects

The errno check added in commit 3ba7a06 "A loose object is not corrupt
if it cannot be read due to EMFILE" only checked for whether errno is
not ENOENT and thus incorrectly treated "no error" as an error
condition.

Because of that, it never reached the code path that would report that
the object is corrupted and instead caused funny errors like:

  fatal: failed to read object 333c4768ce595793fdab1ef3a036413e2a883853: Success

So we have to extend the check to cover the case in which the object
file was successfully read, but its contents are corrupted.

Reported-by: Will Palmer <wmpalmer@gmail.com>
Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agotests: compress the setup tests
Jonathan Nieder [Wed, 19 Jan 2011 12:40:51 +0000 (06:40 -0600)]
tests: compress the setup tests

New test helpers:

 - setup_repo, to initialize a repository or gitfile pointing to a
   repository, with core.bare and core.worktree set as specified;

 - try_case, to run setup from a given directory and validate the
   result, with GIT_DIR and GIT_WORK_TREE set as specified;

 - try_repo, to initialize a repository and call "try_case" from the
   toplevel and a subdirectory;

 - run_wt_tests, to run a battery of tests that check for sane
   behavior when GIT_WORK_TREE is set to various positions relative to
   the .git dir and cwd.

Use these helpers to make the test shorter, less repetitive, and (one
hopes) easier to understand and modify.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agotests: cosmetic improvements to the repo-setup test
Jonathan Nieder [Wed, 19 Jan 2011 12:38:22 +0000 (06:38 -0600)]
tests: cosmetic improvements to the repo-setup test

Give an overview in "sh t1510-repo-setup.sh --help" output.
Waste some vertical and horizontal space for clearer code.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agoMerge branch 'maint'
Junio C Hamano [Wed, 19 Jan 2011 16:33:54 +0000 (08:33 -0800)]
Merge branch 'maint'

* maint:
  exec_cmd: remove unused extern

13 years agoexec_cmd: remove unused extern
Erik Faye-Lund [Mon, 10 Jan 2011 22:00:49 +0000 (23:00 +0100)]
exec_cmd: remove unused extern

This definition was added by commit 77cb17e9, but it's left unused since
commit 511707d. Remove the left-over definition.

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
13 years agoMerge branch 'jn/gitweb-no-logo' into maint
Junio C Hamano [Wed, 19 Jan 2011 16:26:47 +0000 (08:26 -0800)]
Merge branch 'jn/gitweb-no-logo' into maint

* jn/gitweb-no-logo:
  gitweb: make logo optional

13 years agoMerge branch 'jk/diff-driver-binary-doc' into maint
Junio C Hamano [Wed, 19 Jan 2011 16:26:44 +0000 (08:26 -0800)]
Merge branch 'jk/diff-driver-binary-doc' into maint

* jk/diff-driver-binary-doc:
  docs: explain diff.*.binary option

13 years agoMerge branch 'tr/submodule-relative-scp-url' into maint
Junio C Hamano [Wed, 19 Jan 2011 16:26:41 +0000 (08:26 -0800)]
Merge branch 'tr/submodule-relative-scp-url' into maint

* tr/submodule-relative-scp-url:
  submodule: fix relative url parsing for scp-style origin

13 years agoMerge branch 'rj/maint-difftool-cygwin-workaround' into maint
Junio C Hamano [Wed, 19 Jan 2011 16:26:24 +0000 (08:26 -0800)]
Merge branch 'rj/maint-difftool-cygwin-workaround' into maint

* rj/maint-difftool-cygwin-workaround:
  difftool: Fix failure on Cygwin