Commit Graph

9404 Commits

Author SHA1 Message Date
Junio C Hamano
4762c7b42a Merge branch 'js/t5000-dont-copy-bin-sh'
* js/t5000-dont-copy-bin-sh:
  t5000 on Windows: do not mistake "sh.exe" as "sh"
2014-12-22 12:26:43 -08:00
Junio C Hamano
63296d583c Merge branch 'jc/refer-to-t-readme-from-submitting-patches'
* jc/refer-to-t-readme-from-submitting-patches:
  t/README: justify why "! grep foo" is sufficient
  SubmittingPatches: refer to t/README for tests
2014-12-22 12:26:38 -08:00
Junio C Hamano
0178207021 Merge branch 'mg/add-ignore-errors'
"git add --ignore-errors ..." did not ignore an error to
give a file that did not exist.

* mg/add-ignore-errors:
  add: ignore only ignored files
2014-12-22 12:26:30 -08:00
Junio C Hamano
0ed8a4e161 Merge branch 'cc/interpret-trailers-more'
"git interpret-trailers" learned to properly handle the
"Conflicts:" block at the end.

* cc/interpret-trailers-more:
  trailer: add test with an old style conflict block
  trailer: reuse ignore_non_trailer() to ignore conflict lines
  commit: make ignore_non_trailer() non static
  merge & sequencer: turn "Conflicts:" hint into a comment
  builtin/commit.c: extract ignore_non_trailer() helper function
  merge & sequencer: unify codepaths that write "Conflicts:" hint
  builtin/merge.c: drop a parameter that is never used
2014-12-22 12:26:24 -08:00
Junio C Hamano
7d37ed1382 Merge branch 'jk/no-perl-tests' into maint
Some tests that depend on perl lacked PERL prerequisite to protect
them, breaking build with NO_PERL configuration.

* jk/no-perl-tests:
  t960[34]: mark cvsimport tests as requiring perl
  t0090: mark add-interactive test with PERL prerequisite
2014-12-22 12:18:26 -08:00
Junio C Hamano
0eeb9b86d6 Merge branch 'jk/push-simple' into maint
Git 2.0 was supposed to make the "simple" mode for the default of
"git push", but it didn't.

* jk/push-simple:
  push: truly use "simple" as default, not "upstream"
2014-12-22 12:18:08 -08:00
Junio C Hamano
e524fb497a Merge branch 'mh/config-flip-xbit-back-after-checking' into maint
"git init" (hence "git clone") initialized the per-repository
configuration file .git/config with x-bit by mistake.

* mh/config-flip-xbit-back-after-checking:
  create_default_files(): don't set u+x bit on $GIT_DIR/config
2014-12-22 12:18:00 -08:00
Junio C Hamano
5d509d5e1c Merge branch 'jk/colors-fix' into maint
"git config --get-color" did not parse its command line arguments
carefully.

* jk/colors-fix:
  t4026: test "normal" color
  config: fix parsing of "git config --get-color some.key -1"
  docs: describe ANSI 256-color mode
2014-12-22 12:16:58 -08:00
Junio C Hamano
447c39a9b2 Merge branch 'jk/checkout-from-tree' into maint
"git checkout $treeish $path", when $path in the index and the
working tree already matched what is in $treeish at the $path,
still overwrote the $path unnecessarily.

* jk/checkout-from-tree:
  checkout $tree: do not throw away unchanged index entries
2014-12-22 12:16:30 -08:00
Junio C Hamano
3f1509809e Sync with v2.2.1
* maint:
  Git 2.2.1
  Git 2.1.4
  Git 2.0.5
  Git 1.9.5
  Git 1.8.5.6
  fsck: complain about NTFS ".git" aliases in trees
  read-cache: optionally disallow NTFS .git variants
  path: add is_ntfs_dotgit() helper
  fsck: complain about HFS+ ".git" aliases in trees
  read-cache: optionally disallow HFS+ .git variants
  utf8: add is_hfs_dotgit() helper
  fsck: notice .git case-insensitively
  t1450: refactor ".", "..", and ".git" fsck tests
  verify_dotfile(): reject .git case-insensitively
  read-tree: add tests for confusing paths like ".." and ".git"
  unpack-trees: propagate errors adding entries to the index
2014-12-18 12:30:53 -08:00
Junio C Hamano
77933f4449 Sync with v2.1.4
* maint-2.1:
  Git 2.1.4
  Git 2.0.5
  Git 1.9.5
  Git 1.8.5.6
  fsck: complain about NTFS ".git" aliases in trees
  read-cache: optionally disallow NTFS .git variants
  path: add is_ntfs_dotgit() helper
  fsck: complain about HFS+ ".git" aliases in trees
  read-cache: optionally disallow HFS+ .git variants
  utf8: add is_hfs_dotgit() helper
  fsck: notice .git case-insensitively
  t1450: refactor ".", "..", and ".git" fsck tests
  verify_dotfile(): reject .git case-insensitively
  read-tree: add tests for confusing paths like ".." and ".git"
  unpack-trees: propagate errors adding entries to the index
2014-12-17 11:46:57 -08:00
Junio C Hamano
58f1d950e3 Sync with v2.0.5
* maint-2.0:
  Git 2.0.5
  Git 1.9.5
  Git 1.8.5.6
  fsck: complain about NTFS ".git" aliases in trees
  read-cache: optionally disallow NTFS .git variants
  path: add is_ntfs_dotgit() helper
  fsck: complain about HFS+ ".git" aliases in trees
  read-cache: optionally disallow HFS+ .git variants
  utf8: add is_hfs_dotgit() helper
  fsck: notice .git case-insensitively
  t1450: refactor ".", "..", and ".git" fsck tests
  verify_dotfile(): reject .git case-insensitively
  read-tree: add tests for confusing paths like ".." and ".git"
  unpack-trees: propagate errors adding entries to the index
2014-12-17 11:42:28 -08:00
Junio C Hamano
5e519fb8b0 Sync with v1.9.5
* maint-1.9:
  Git 1.9.5
  Git 1.8.5.6
  fsck: complain about NTFS ".git" aliases in trees
  read-cache: optionally disallow NTFS .git variants
  path: add is_ntfs_dotgit() helper
  fsck: complain about HFS+ ".git" aliases in trees
  read-cache: optionally disallow HFS+ .git variants
  utf8: add is_hfs_dotgit() helper
  fsck: notice .git case-insensitively
  t1450: refactor ".", "..", and ".git" fsck tests
  verify_dotfile(): reject .git case-insensitively
  read-tree: add tests for confusing paths like ".." and ".git"
  unpack-trees: propagate errors adding entries to the index
2014-12-17 11:28:54 -08:00
Junio C Hamano
6898b79721 Sync with v1.8.5.6
* maint-1.8.5:
  Git 1.8.5.6
  fsck: complain about NTFS ".git" aliases in trees
  read-cache: optionally disallow NTFS .git variants
  path: add is_ntfs_dotgit() helper
  fsck: complain about HFS+ ".git" aliases in trees
  read-cache: optionally disallow HFS+ .git variants
  utf8: add is_hfs_dotgit() helper
  fsck: notice .git case-insensitively
  t1450: refactor ".", "..", and ".git" fsck tests
  verify_dotfile(): reject .git case-insensitively
  read-tree: add tests for confusing paths like ".." and ".git"
  unpack-trees: propagate errors adding entries to the index
2014-12-17 11:20:31 -08:00
Junio C Hamano
2aa9100846 Merge branch 'dotgit-case-maint-1.8.5' into maint-1.8.5
* dotgit-case-maint-1.8.5:
  fsck: complain about NTFS ".git" aliases in trees
  read-cache: optionally disallow NTFS .git variants
  path: add is_ntfs_dotgit() helper
  fsck: complain about HFS+ ".git" aliases in trees
  read-cache: optionally disallow HFS+ .git variants
  utf8: add is_hfs_dotgit() helper
  fsck: notice .git case-insensitively
  t1450: refactor ".", "..", and ".git" fsck tests
  verify_dotfile(): reject .git case-insensitively
  read-tree: add tests for confusing paths like ".." and ".git"
  unpack-trees: propagate errors adding entries to the index
2014-12-17 11:11:15 -08:00
Johannes Schindelin
d08c13b947 fsck: complain about NTFS ".git" aliases in trees
Now that the index can block pathnames that can be mistaken
to mean ".git" on NTFS and FAT32, it would be helpful for
fsck to notice such problematic paths. This lets servers
which use receive.fsckObjects block them before the damage
spreads.

Note that the fsck check is always on, even for systems
without core.protectNTFS set. This is technically more
restrictive than we need to be, as a set of users on ext4
could happily use these odd filenames without caring about
NTFS.

However, on balance, it's helpful for all servers to block
these (because the paths can be used for mischief, and
servers which bother to fsck would want to stop the spread
whether they are on NTFS themselves or not), and hardly
anybody will be affected (because the blocked names are
variants of .git or git~1, meaning mischief is almost
certainly what the tree author had in mind).

Ideally these would be controlled by a separate
"fsck.protectNTFS" flag. However, it would be much nicer to
be able to enable/disable _any_ fsck flag individually, and
any scheme we choose should match such a system. Given the
likelihood of anybody using such a path in practice, it is
not unreasonable to wait until such a system materializes.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-17 11:04:45 -08:00
Johannes Schindelin
2b4c6efc82 read-cache: optionally disallow NTFS .git variants
The point of disallowing ".git" in the index is that we
would never want to accidentally overwrite files in the
repository directory. But this means we need to respect the
filesystem's idea of when two paths are equal. The prior
commit added a helper to make such a comparison for NTFS
and FAT32; let's use it in verify_path().

We make this check optional for two reasons:

  1. It restricts the set of allowable filenames, which is
     unnecessary for people who are not on NTFS nor FAT32.
     In practice this probably doesn't matter, though, as
     the restricted names are rather obscure and almost
     certainly would never come up in practice.

  2. It has a minor performance penalty for every path we
     insert into the index.

This patch ties the check to the core.protectNTFS config
option. Though this is expected to be most useful on Windows,
we allow it to be set everywhere, as NTFS may be mounted on
other platforms. The variable does default to on for Windows,
though.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-17 11:04:45 -08:00
Jeff King
a18fcc9ff2 fsck: complain about HFS+ ".git" aliases in trees
Now that the index can block pathnames that case-fold to
".git" on HFS+, it would be helpful for fsck to notice such
problematic paths. This lets servers which use
receive.fsckObjects block them before the damage spreads.

Note that the fsck check is always on, even for systems
without core.protectHFS set. This is technically more
restrictive than we need to be, as a set of users on ext4
could happily use these odd filenames without caring about
HFS+.

However, on balance, it's helpful for all servers to block
these (because the paths can be used for mischief, and
servers which bother to fsck would want to stop the spread
whether they are on HFS+ themselves or not), and hardly
anybody will be affected (because the blocked names are
variants of .git with invisible Unicode code-points mixed
in, meaning mischief is almost certainly what the tree
author had in mind).

Ideally these would be controlled by a separate
"fsck.protectHFS" flag. However, it would be much nicer to
be able to enable/disable _any_ fsck flag individually, and
any scheme we choose should match such a system. Given the
likelihood of anybody using such a path in practice, it is
not unreasonable to wait until such a system materializes.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-17 11:04:45 -08:00
Jeff King
a42643aa8d read-cache: optionally disallow HFS+ .git variants
The point of disallowing ".git" in the index is that we
would never want to accidentally overwrite files in the
repository directory. But this means we need to respect the
filesystem's idea of when two paths are equal. The prior
commit added a helper to make such a comparison for HFS+;
let's use it in verify_path.

We make this check optional for two reasons:

  1. It restricts the set of allowable filenames, which is
     unnecessary for people who are not on HFS+. In practice
     this probably doesn't matter, though, as the restricted
     names are rather obscure and almost certainly would
     never come up in practice.

  2. It has a minor performance penalty for every path we
     insert into the index.

This patch ties the check to the core.protectHFS config
option. Though this is expected to be most useful on OS X,
we allow it to be set everywhere, as HFS+ may be mounted on
other platforms. The variable does default to on for OS X,
though.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-17 11:04:44 -08:00
Jeff King
76e86fc6e3 fsck: notice .git case-insensitively
We complain about ".git" in a tree because it cannot be
loaded into the index or checked out. Since we now also
reject ".GIT" case-insensitively, fsck should notice the
same, so that errors do not propagate.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-17 11:04:39 -08:00
Jeff King
450870cba7 t1450: refactor ".", "..", and ".git" fsck tests
We check that fsck notices and complains about confusing
paths in trees. However, there are a few shortcomings:

  1. We check only for these paths as file entries, not as
     intermediate paths (so ".git" and not ".git/foo").

  2. We check "." and ".." together, so it is possible that
     we notice only one and not the other.

  3. We repeat a lot of boilerplate.

Let's use some loops to be more thorough in our testing, and
still end up with shorter code.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-17 11:04:39 -08:00
Jeff King
cc2fc7c2f0 verify_dotfile(): reject .git case-insensitively
We do not allow ".git" to enter into the index as a path
component, because checking out the result to the working
tree may causes confusion for subsequent git commands.
However, on case-insensitive file systems, ".Git" or ".GIT"
is the same. We should catch and prevent those, too.

Note that technically we could allow this for repos on
case-sensitive filesystems. But there's not much point. It's
unlikely that anybody cares, and it creates a repository
that is unexpectedly non-portable to other systems.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-17 11:04:31 -08:00
Jeff King
96b50cc190 read-tree: add tests for confusing paths like ".." and ".git"
We should prevent nonsense paths from entering the index in
the first place, as they can cause confusing results if they
are ever checked out into the working tree. We already do
so, but we never tested it.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-17 11:00:37 -08:00
Christian Hesse
6fb5df6c77 tests: make comment on GPG keyring match the code
GnuPG homedir is generated on the fly and keys are imported from
armored key file. Make comment match available key info and new key
generation procedure.

Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-16 12:37:43 -08:00
Stefan Beller
0e18a5b428 t5400: remove dead code
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-16 10:58:13 -08:00
Luis Henriques
2cf770f501 test/send-email: --[no-]xmailer tests
Add tests for the --[no-]xmailer option.

Signed-off-by: Luis Henriques <henrix@camandro.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-15 15:18:24 -08:00
Роман Донченко
ab47e2a583 send-email: handle adjacent RFC 2047-encoded words properly
The RFC says that they are to be concatenated after decoding (i.e. the
intervening whitespace is ignored).

Signed-off-by: Роман Донченко <dpb@corrigendum.ru>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-15 09:06:40 -08:00
Junio C Hamano
23c0956441 Merge branch 'jk/push-simple'
Git 2.0 was supposed to make the "simple" mode for the default of
"git push", but it didn't.

* jk/push-simple:
  push: truly use "simple" as default, not "upstream"
2014-12-12 14:31:40 -08:00
Junio C Hamano
e886efdb34 Merge branch 'jk/colors-fix'
* jk/colors-fix:
  t4026: test "normal" color
  config: fix parsing of "git config --get-color some.key -1"
  docs: describe ANSI 256-color mode
2014-12-12 14:31:39 -08:00
Junio C Hamano
f54629e7b6 Merge branch 'jk/no-perl-tests'
Some tests that depend on perl lacked PERL prerequisite to protect
them, breaking build with NO_PERL configuration.

* jk/no-perl-tests:
  t960[34]: mark cvsimport tests as requiring perl
  t0090: mark add-interactive test with PERL prerequisite
2014-12-12 14:31:36 -08:00
Junio C Hamano
4b0bf39dd5 tests: squelch noise from GPG machinery set-up
It is distracting to let the GPG message while setting up the test
gpghome leak into the test output, especially without running these
tests with "-v" option.

The splitting of RFC1991 prerequiste part is about future-proofing.
When we want to define other kinds of specific prerequisites in the
future, we'd prefer to see it done separately from the basic set-up
code.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 13:54:05 -08:00
Christian Hesse
1e3eefbc8d tests: replace binary GPG keyrings with ASCII-armored keys
Importing PGP key public and security ring works, but we do not have
all secret keys in one binary blob and all public keys in another.
Instead import public and secret keys for one key pair from a text
file that holds ASCII-armored export of them.

Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 13:51:54 -08:00
Christian Hesse
c0e0ed6efe tests: skip RFC1991 tests for gnupg 2.1
GnuPG >= 2.1.0 no longer supports RFC1991, so skip these tests.

Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 10:26:08 -08:00
Christian Hesse
b41a36e635 tests: create gpg homedir on the fly
GnuPG 2.1 homedir looks different, so just create it on the fly by
importing needed private and public keys and ownertrust.

This solves an issue with gnupg 2.1 running interactive pinentry
when old secret key is present.

Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-12 10:23:36 -08:00
Jeff King
b0f4c9087e t: support clang/gcc AddressSanitizer
When git is compiled with "-fsanitize=address" (using clang
or gcc >= 4.8), all invocations of git will check for buffer
overflows. This is similar to running with valgrind, except
that it is more thorough (because of the compiler support,
function-local buffers can be checked, too) and runs much
faster (making it much less painful to run the whole test
suite with the checks turned on).

Unlike valgrind, the magic happens at compile-time, so we
don't need the same infrastructure in the test suite that we
did to support --valgrind. But there are two things we can
help with:

  1. On some platforms, the leak-detector is on by default,
     and causes every invocation of "git init" (and thus
     every test script) to fail. Since running git with
     the leak detector is pointless, let's shut it off
     automatically in the tests, unless the user has already
     configured it.

  2. When apache runs a CGI, it clears the environment of
     unknown variables. This means that the $ASAN_OPTIONS
     config doesn't make it to git-http-backend, and it
     dies due to the leak detector. Let's mark the variable
     as OK for apache to pass.

With these two changes, running

    make CC=clang CFLAGS=-fsanitize=address test

works out of the box.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-11 14:13:17 -08:00
Michael Haggerty
0e729c7ed5 update-ref: fix "verify" command with missing <oldvalue>
If "git update-ref --stdin" was given a "verify" command with no
"<newvalue>" at all (not even zeros), the code was mistakenly setting
have_old=0 (and leaving old_sha1 uninitialized). But this is
incorrect: this command is supposed to verify that the reference
doesn't exist. So in this case we really need old_sha1 to be set to
null_sha1 and have_old to be set to 1.

Moreover, since have_old was being set to zero, *no* check of the old
value was being done, so the new value of the reference was being set
unconditionally to the value in new_sha1. new_sha1, in turn, was set
to null_sha1 in the expectation that that was the old value and it
shouldn't be changed. But because the precondition was not being
checked, the result was that the reference was being deleted
unconditionally.

So, if <oldvalue> is missing, set have_old unconditionally and set
old_sha1 to null_sha1.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Acked-by: Brad King <brad.king@kitware.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-11 11:56:53 -08:00
Michael Haggerty
a46e41fca3 t1400: add some more tests of "update-ref --stdin"'s verify command
Two of the tests fail because

    verify refs/heads/foo

with no argument (not even zeros) actually *deletes* refs/heads/foo.
This problem will be fixed in the next commit.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-11 11:56:26 -08:00
Jeff King
8e9faf27c1 pkt-line: allow writing of LARGE_PACKET_MAX buffers
When we send out pkt-lines with refnames, we use a static
1000-byte buffer. This means that the maximum size of a ref
over the git protocol is around 950 bytes (the exact size
depends on the protocol line being written, but figure on a sha1
plus some boilerplate).

This is enough for any sane workflow, but occasionally odd
things happen (e.g., a bug may create a ref "foo/foo/foo/..."
accidentally).  With the current code, you cannot even use
"push" to delete such a ref from a remote.

Let's switch to using a strbuf, with a hard-limit of
LARGE_PACKET_MAX (which is specified by the protocol).  This
matches the size of the readers, as of 74543a0 (pkt-line:
provide a LARGE_PACKET_MAX static buffer, 2013-02-20).
Versions of git older than that will complain about our
large packets, but it's really no worse than the current
behavior. Right now the sender barfs with "impossibly long
line" trying to send the packet, and afterwards the reader
will barf with "protocol error: bad line length %d", which
is arguably better anyway.

Note that we're not really _solving_ the problem here, but
just bumping the limits. In theory, the length of a ref is
unbounded, and pkt-line can only represent sizes up to
65531 bytes. So we are just bumping the limit, not removing
it.  But hopefully 64K should be enough for anyone.

As a bonus, by using a strbuf for the formatting we can
eliminate an unnecessary copy in format_buf_write.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-10 13:09:21 -08:00
Michael J Gruber
356e91f2ec branch: allow -f with -m and -d
-f/--force is the standard way to force an action, and is used by branch
for the recreation of existing branches, but not for deleting unmerged
branches nor for renaming to an existing branch.

Make "-m -f" equivalent to "-M" and "-d -f" equivalent to" -D", i.e.
allow -f/--force to be used with -m/-d also.

For the list modes, "-f" is simply ignored.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-09 16:27:47 -08:00
Alfred Perlstein
83c9433e67 git-svn: support for git-svn propset
This change allows git-svn to support setting subversion properties.

It is useful for manually setting properties when committing to a
subversion repo that *requires* properties to be set without requiring
moving your changeset to separate subversion checkout in order to
set props.

This change is initially from David Fraser, appearing at:

  http://mid.gmane.org/1927112650.1281253084529659.JavaMail.root@klofta.sjsoft.com>

They are now forward-ported to most recent git along with fixes to
deal with files in subdirectories.

Style and functional changes from Eric Wong have been taken
in their entirety from:

  http://mid.gmane.org/20141201094911.GA13931@dcvr.yhbt.net

There is a nit to point out: the code does not support
adding props unless there are also content changes to the files as
well.  This is demonstrated in the testcase.

[ew - simplify Git.pm usage for check-attr
    - improve shell portability for tests
    - minor phrasing changes in commit message]

Signed-off-by: David Fraser <davidf@sjsoft.com>
Signed-off-by: Alfred Perlstein <alfred@freebsd.org>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
2014-12-09 22:03:15 +00:00
Jeff King
7add441984 fsck: properly bound "invalid tag name" error message
When we detect an invalid tag-name header in a tag object,
like, "tag foo bar\n", we feed the pointer starting at "foo
bar" to a printf "%s" formatter. This shows the name, as we
want, but then it keeps printing the rest of the tag buffer,
rather than stopping at the end of the line.

Our tests did not notice because they look only for the
matching line, but the bug is that we print much more than
we wanted to. So we also adjust the test to be more exact.

Note that when fscking tags with "index-pack --strict", this
is even worse. index-pack does not add a trailing
NUL-terminator after the object, so we may actually read
past the buffer and print uninitialized memory. Running
t5302 with valgrind does notice the bug for that reason.

Signed-off-by: Jeff King <peff@peff.net>
Acked-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-09 11:54:25 -08:00
Torsten Bögershausen
0291973b36 t0027: check the eol conversion warnings
Depending on the file content, eol parameters and .gitattributes
"git add" may give a warning when the eol of a file will change when
the file is checked out again.

There are 2 different warnings, either "CRLF will be replaced..." or
"LF will be replaced...".  Let t0027 check for these warnings by
adding new parameters to create_file_in_repo(), which tells what
warnings are expected.

When a file has eol=lf or eol=crlf in .gitattributes, it is handled
as text and should be normalized.  Add tests for these cases that
were not covered.

Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-05 15:16:25 -08:00
Junio C Hamano
a633732440 Merge branch 'mh/config-flip-xbit-back-after-checking'
* mh/config-flip-xbit-back-after-checking:
  create_default_files(): don't set u+x bit on $GIT_DIR/config
2014-12-05 11:43:10 -08:00
Junio C Hamano
9b144d869f Merge branch 'jh/empty-notes'
A request to store an empty note via "git notes" meant to remove
note from the object but with --allow-empty we will store a (surprise!)
note that is empty.  In the longer run, we might want to deprecate
the somewhat unintuitive "emptying means deletion" behaviour.

* jh/empty-notes:
  t3301: modernize style
  notes: empty notes should be shown by 'git log'
  builtin/notes: add --allow-empty, to allow storing empty notes
  builtin/notes: split create_note() to clarify add vs. remove logic
  builtin/notes: simplify early exit code in add()
  builtin/notes: refactor note file path into struct note_data
  builtin/notes: improve naming
  t3301: verify that 'git notes' removes empty notes by default
  builtin/notes: fix premature failure when trying to add the empty blob
2014-12-05 11:42:29 -08:00
Junio C Hamano
c21df07886 Merge branch 'jk/checkout-from-tree'
"git checkout $treeish $path", when $path in the index and the
working tree already matched what is in $treeish at the $path,
still overwrote the $path unnecessarily.

* jk/checkout-from-tree:
  checkout $tree: do not throw away unchanged index entries
2014-12-05 11:41:33 -08:00
Jeff King
e5e73ff20b for_each_reflog_ent_reverse: fix newlines on block boundaries
When we read a reflog file in reverse, we read whole chunks
of BUFSIZ bytes, then loop over the buffer, parsing any
lines we find. We find the beginning of each line by looking
for the newline from the previous line. If we don't find
one, we know that we are either at the beginning of
the file, or that we have to read another block.

In the latter case, we stuff away what we have into a
strbuf, read another block, and continue our parse. But we
missed one case here. If we did find a newline, and it is at
the beginning of the block, we must also stuff that newline
into the strbuf, as it belongs to the block we are about to
read.

The minimal fix here would be to add this special case to
the conditional that checks whether we found a newline.
But we can make the flow a little clearer by rearranging a
bit: we first handle lines that we are going to show, and
then at the end of each loop, stuff away any leftovers if
necessary. That lets us fold this special-case in with the
more common "we ended in the middle of a line" case.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-05 11:11:35 -08:00
Michael J Gruber
ff7aa81f89 t3200-branch: test -M
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-04 12:10:52 -08:00
Jeff King
59b386526a credential: let helpers tell us to quit
When we are trying to fill a credential, we loop over the
set of defined credential-helpers, then fall back to running
askpass, and then finally prompt on the terminal. Helpers
which cannot find a credential are free to tell us nothing,
but they cannot currently ask us to stop prompting.

This patch lets them provide a "quit" attribute, which asks
us to stop the process entirely (avoiding running more
helpers, as well as the askpass/terminal prompt).

This has a few possible uses:

  1. A helper which prompts the user itself (e.g., in a
     dialog) can provide a "cancel" button to the user to
     stop further prompts.

  2. Some helpers may know that prompting cannot possibly
     work. For example, if their role is to broker a ticket
     from an external auth system and that auth system
     cannot be contacted, there is no point in continuing
     (we need a ticket to authenticate, and the user cannot
     provide one by typing it in).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-04 10:11:12 -08:00
Junio C Hamano
f1f6224c72 t3102: style modernization
Use <<-\END_OF_HERE_DOCUMENT to allow indenting the HERE document to
make it clear where each test begins and ends, and relieve readers
from having to worry about variable substitution.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-01 11:49:53 -08:00
Junio C Hamano
4be4f71f55 t3102: document that ls-tree does not yet support negated pathspec
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-01 11:49:53 -08:00
Nguyễn Thái Ngọc Duy
1cf9952db2 ls-tree: remove path filtering logic in show_tree
ls-tree uses read_tree_recursive() which already does path filtering
using pathspec. No need to filter one more time based on prefix
only. "ls-tree ../somewhere" does not work because of
this. write_name_quotedpfx() can now be retired because nobody else
uses it.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-01 11:32:34 -08:00
Ramsay Jones
decd3c0c28 t0050-*.sh: mark the rename (case change) test as passing
Since commit baa37bff ("mv: allow renaming to fix case on case
insensitive filesystems", 08-05-2014), the 'git mv' command has
been able to rename a file, to one which differs only in case,
on a case insensitive filesystem.

This results in the 'rename (case change)' test, which used to fail
prior to this commit, to now (unexpectedly) pass. Mark this test as
passing.

[jc: Ramsay's tests on Cygwin, Eric's on Mac OS X]

Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Tested-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-30 18:13:42 -08:00
Jeff King
00a6fa0720 push: truly use "simple" as default, not "upstream"
The plan for the push.default transition had all along been
to use the "simple" method rather than "upstream" as a
default if the user did not specify their own push.default
value. Commit 11037ee (push: switch default from "matching"
to "simple", 2013-01-04) tried to implement that by moving
PUSH_DEFAULT_UNSPECIFIED in our switch statement to
fall-through to the PUSH_DEFAULT_SIMPLE case.

When the commit that became 11037ee was originally written,
that would have been enough. We would fall through to
calling setup_push_upstream() with the "simple" parameter
set to 1. However, it was delayed for a while until we were
ready to make the transition in Git 2.0.

And in the meantime, commit ed2b182 (push: change `simple`
to accommodate triangular workflows, 2013-06-19) threw a
monkey wrench into the works. That commit drops the "simple"
parameter to setup_push_upstream, and instead checks whether
the global "push_default" is PUSH_DEFAULT_SIMPLE. This is
right when the user has explicitly configured push.default
to simple, but wrong when we are a fall-through for the
"unspecified" case.

We never noticed because our push.default tests do not cover
the case of the variable being totally unset; they only
check the "simple" behavior itself.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-30 18:11:25 -08:00
Junio C Hamano
4d7a5ceacc t5516: more tests for receive.denyCurrentBranch=updateInstead
The previous one tests only the case where a path to be updated by
the push-to-deploy has an incompatible change in the target's
working tree that has already been added to the index, but the
feature itself wants to require the working tree to be a lot cleaner
than what is tested.  Add a handful more tests to protect the
feature from future changes that mistakenly (from the viewpoint of
the inventor of the feature) loosens the cleanliness requirement,
namely:

 - A change only to the working tree but not to the index is still a
   change to be protected;

 - An untracked file in the working tree that would be overwritten
   by a push-to-deploy needs to be protected;

 - A change that happens to make a file identical to what is being
   pushed is still a change to be protected (i.e. the feature's
   cleanliness requirement is more strict than that of checkout).

Also, test that a stat-only change to the working tree is not a
reason to reject a push-to-deploy.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-30 17:54:30 -08:00
Johannes Schindelin
1404bcbb6b receive-pack: add another option for receive.denyCurrentBranch
When synchronizing between working directories, it can be handy to update
the current branch via 'push' rather than 'pull', e.g. when pushing a fix
from inside a VM, or when pushing a fix made on a user's machine (where
the developer is not at liberty to install an ssh daemon let alone know
the user's password).

The common workaround – pushing into a temporary branch and then merging
on the other machine – is no longer necessary with this patch.

The new option is:

'updateInstead':
	Update the working tree accordingly, but refuse to do so if there
	are any uncommitted changes.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-30 17:15:13 -08:00
Paolo Bonzini
a078f7321b git-am: add --message-id/--no-message-id
Parse the option and pass it directly to git-mailinfo.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-25 15:27:01 -08:00
Paolo Bonzini
452dfbed1a git-mailinfo: add --message-id
This option adds the content of the Message-Id header at the end of the
commit message prepared by git-mailinfo.  This is useful in order to
associate commit messages automatically with mailing list discussions.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-25 15:24:55 -08:00
Junio C Hamano
0720a51b29 t9001: style modernisation phase #5
Two general shell script codingstyles around here-text.

 - Quote the <<\END_OF_HERE_TEXT string when there is no parameter
   substitution going on to reduce cognitive load of the reader.

 - Indent the text with <<-\END_OF_HERE_TEXT when able to make it
   easier to spot boundaries of the tests.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-25 15:22:31 -08:00
Junio C Hamano
ee756a8161 t9001: style modernisation phase #4
Two general shell script codingstyles.

 - No SP between redirection operator and its target
 - One SP on both sides of () in "name () {" that begins a shell function

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-25 15:22:31 -08:00
Junio C Hamano
acd72b5636 t9001: style modernisation phase #3
Use write_script.  The resulting patch makes it a lot easier
to understand what the written script is doing.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-25 15:22:29 -08:00
Junio C Hamano
03335f2295 t9001: style modernisation phase #2
Indent is done with HTs, not a run of SPs.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-25 15:20:25 -08:00
Junio C Hamano
aca56064f4 t9001: style modernisation phase #1
Don't chop test_expect_success line into pieces and concatenate with
'\'.  That's so 2005.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-25 14:11:39 -08:00
Paolo Bonzini
8d81408435 git-send-email: add --transfer-encoding option
The thread at http://thread.gmane.org/gmane.comp.version-control.git/257392
details problems when applying patches with "git am" in a repository with
CRLF line endings.  In the example in the thread, the repository originated
from "git-svn" so it is not possible to use core.eol and friends on it.

Right now, the best option is to use "git am --keep-cr".  However, when
a patch create new files, the patch application process will reject the
new file because it finds a "/dev/null\r" string instead of "/dev/null".

The problem is that SMTP transport is CRLF-unsafe.  Sending a patch by
email is the same as passing it through "dos2unix | unix2dos".  The newly
introduced CRLFs are normally transparent because git-am strips them. The
keepcr=true setting preserves them, but it is mostly working by chance
and it would be very problematic to have a "git am" workflow in a
repository with mixed LF and CRLF line endings.

The MIME solution to this is the quoted-printable transfer enconding.
This is not something that we want to enable by default, since it makes
received emails horrible to look at.  However, it is a very good match
for projects that store CRLF line endings in the repository.

The only disadvantage of quoted-printable is that quoted-printable
patches fail to apply if the maintainer uses "git am --keep-cr".  This
is because the decoded patch will have two carriage returns at the end
of the line.  Therefore, add support for base64 transfer encoding too,
which makes received emails downright impossible to look at outside
a MUA, but really just works.

The patch covers all bases, including users that still live in the late
80s, by also providing a 7bit content transfer encoding that refuses
to send emails with non-ASCII character in them.  And finally, "8bit"
will add a Content-Transfer-Encoding header but otherwise do nothing.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-25 14:00:15 -08:00
Johannes Sixt
bba5fccc03 t5000 on Windows: do not mistake "sh.exe" as "sh"
In their effort to emulate POSIX as close as possible, the MSYS tools
and Cygwin treat the file name "foo.exe" as "foo" when the latter is
asked for, but not present, but the former is present.

Following this rule, 'cp /bin/sh a/bin' actually copies the file
/bin/sh.exe, so that we now have a/bin/sh.exe in the repository. This
difference did not matter in the tests in the past because we were only
interested in the equality of contents generated in various ways. But
recently added tests check file names, in particular, the presence of
"a/bin/sh". This test fails on Windows, as we do not have a file by this
name, but "a/bin/sh.exe".

Use test-genrandom to generate the large binary file in the repository
under the expected name.

We could change the guilty line to 'cat /bin/sh >a/bin/sh', but it is
better for test reproducibility to ensure that the test data is the same
across platforms, which test-genrandom can guarantee.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-24 11:34:32 -08:00
Junio C Hamano
53de742470 t/README: justify why "! grep foo" is sufficient
We require use of test_must_fail to check expected non-zero exit by
Git itself, but discourage test_must_fail to be used for checking
exit status of non Git commands that are supplied by the system.
The current text explains the reason for the former but not the
latter.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-24 09:47:07 -08:00
Michael J Gruber
1d31e5a2cd add: ignore only ignored files
"git add foo bar" adds neither foo nor bar when bar is ignored, but dies
to let the user recheck their command invocation. This becomes less
helpful when "git add foo.*" is subject to shell expansion and some of
the expanded files are ignored.

"git add --ignore-errors" is supposed to ignore errors when indexing
some files and adds the others. It does ignore errors from actual
indexing attempts, but does not ignore the error "file is ignored" as
outlined above. This is unexpected.

Change "git add foo bar" to add foo when bar is ignored, but issue
a warning and return a failure code as before the change.

That is, in the case of trying to add ignored files we now act the same
way (with or without "--ignore-errors") in which we act for more
severe indexing errors when "--ignore-errors" is specified.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-21 10:19:14 -08:00
Jeff King
ff40d185d2 parse_color: recognize "no$foo" to clear the $foo attribute
You can turn on ANSI text attributes like "reverse" by
putting "reverse" in your color spec. However, you cannot
ask to turn reverse off.

For common cases, this does not matter. You would turn on
"reverse" at the start of a colored section, and then clear
all attributes with a "reset". However, you may wish to turn
on some attributes, then selectively disable others. For
example:

  git log --format="%C(bold ul yellow)%h%C(noul) %s"

underlines just the hash, but without the need to re-specify
the rest of the attributes. This can also help third-party
programs, like contrib/diff-highlight, that want to turn
some attribute on/off without disrupting existing coloring.

Note that some attribute specifications are probably
nonsensical (e.g., "bold nobold"). We do not bother to flag
such constructs, and instead let the terminal sort it out.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-20 12:42:55 -08:00
Jeff King
17a4be2606 parse_color: support 24-bit RGB values
Some terminals (like XTerm) allow full 24-bit RGB color
specifications using an extension to the regular ANSI color
scheme. Let's allow users to specify hex RGB colors,
enabling the all-important feature of hot pink ref
decorations:

  git log --format="%h%C(#ff69b4)%d%C(reset) %s"

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-20 12:42:49 -08:00
Jeff King
cb357221a4 t4026: test "normal" color
If the user specifiers "normal" for a foreground color, this
should be a noop (while this may sound useless, it is the
only way to specify an unchanged foreground color followed
by a specific background color).

We also check that color "-1" does the same thing. This is
not documented, but has worked forever, so let's make sure
we keep supporting it.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-20 10:54:10 -08:00
Junio C Hamano
f00e081a9a Merge branch 'tb/no-relative-file-url'
* tb/no-relative-file-url:
  t5705: the file:// URL should be absolute
2014-11-19 13:47:53 -08:00
Junio C Hamano
3f78278beb Merge branch 'da/difftool'
Fix-up to a new feature in 'master'.

* da/difftool:
  difftool: honor --trust-exit-code for builtin tools
2014-11-18 10:16:55 -08:00
Jeff King
880ef58b3d t960[34]: mark cvsimport tests as requiring perl
Git-cvsimport is written in perl, which understandably
causes the tests to fail if you build with NO_PERL (which
will avoid building cvsimport at all). The earlier cvsimport
tests in t9600-t9602 are all marked with a PERL
prerequisite, but these ones are not.

The one in t9603 was likely not noticed because it is an
expected failure anyway.

The ones in t9604 have been around for a long time, but it
is likely that the combination of NO_PERL and having cvsps
installed is rare enough that nobody noticed.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-18 10:16:09 -08:00
Jeff King
5a97639b39 t0090: mark add-interactive test with PERL prerequisite
The add-interactive system is built in perl. If you build
with NO_PERL, running "git commit --interactive" will exit
with an error and the test will fail.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-18 10:16:06 -08:00
Michael Haggerty
1f32ecffd8 create_default_files(): don't set u+x bit on $GIT_DIR/config
Since time immemorial, the test of whether to set "core.filemode"
has been done by trying to toggle the u+x bit on $GIT_DIR/config,
which we know always exists, and then testing whether the change
"took".  I find it somewhat odd to use the config file for this
test, but whatever.

The test code didn't set the u+x bit back to its original state
itself, instead relying on the subsequent call to git_config_set()
to re-write the config file with correct permissions.

But ever since

    daa22c6f8d config: preserve config file permissions on edits (2014-05-06)

git_config_set() copies the permissions from the old config file to
the new one.  This is a good change in and of itself, but it
invalidates the create_default_files()'s assumption, causing "git
init" to leave the executable bit set on $GIT_DIR/config.

Reset the permissions on $GIT_DIR/config when we are done with the
test in create_default_files().

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-18 10:10:54 -08:00
David Aguilar
99474b6340 difftool: honor --trust-exit-code for builtin tools
run_merge_tool() was not setting $status, which prevented the
exit code for builtin tools from being forwarded to the caller.

Capture the exit status and add a test to guarantee the behavior.

Reported-by: Adria Farres <14farresa@gmail.com>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-14 13:40:38 -08:00
Johan Herland
908a320363 t3301: modernize style
Make this test script appear somewhat less old-fashioned:

 - Use test helper functions:
    - write_script
    - test_commit
    - test_write_lines
    - test_line_count
    - test_config
    - test_unconfig
    - test_path_is_missing

 - Remove whitespace between redirection operators and their targets.

 - Move preparation of "expect" files into tests.

 - Rename "output" files to "actual".

 - More consistent quoting, especially around commands that might
   expand to nothing.

 - More visibility of important whitespace with ${indent}.

 - Combine pairs of tests that unnecessarily split setup and verification.

Improved-by: Eric Sunshine <sunshine@sunshineco.com>
Improved-by: Junio C Hamano <gitster@pobox.com>
Improved-by: Michael Blume <blume.mike@gmail.com>
Improved-by: Jeff King <peff@peff.net>
Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-14 13:33:09 -08:00
Jeff King
d37239536c approxidate: allow ISO-like dates far in the future
When we are parsing approxidate strings and we find three
numbers separate by one of ":/-.", we guess that it may be a
date. We feed the numbers to match_multi_number, which
checks whether it makes sense as a date in various orderings
(e.g., dd/mm/yy or mm/dd/yy, etc).

One of the checks we do is to see whether it is a date more
than 10 days in the future. This was added in 38035cf (date
parsing: be friendlier to our European friends.,
2006-04-05), and lets us guess that if it is currently April
2014, then "10/03/2014" is probably March 10th, not October
3rd.

This has a downside, though; if you want to be overly
generous with your "--until" date specification, we may
wrongly parse "2014-12-01" as "2014-01-12" (because the
latter is an in-the-past date). If the year is a future year
(i.e., both are future dates), it gets even weirder. Due to
the vagaries of approxidate, months _after_ the current date
(no matter the year) get flipped, but ones before do not.

This patch drops the "in the future" check for dates of this
form, letting us treat them always as yyyy-mm-dd, even if
they are in the future. This does not affect the normal
dd/mm/yyyy versus mm/dd/yyyy lookup, because this code path
only kicks in when the first number is greater than 70
(i.e., it must be a year, and cannot be either a date or a
month).

The one possible casualty is that "yyyy-dd-mm" is less
likely to be chosen over "yyyy-mm-dd". That's probably OK,
though because:

  1. The difference happens only when the date is in the
     future. Already we prefer yyyy-mm-dd for dates in the
     past.

  2. It's unclear whether anybody even uses yyyy-dd-mm
     regularly. It does not appear in lists of common date
     formats in Wikipedia[1,2].

  3. Even if (2) is wrong, it is better to prefer ISO-like
     dates, as that is consistent with what we use elsewhere
     in git.

[1] http://en.wikipedia.org/wiki/Date_and_time_representation_by_country
[2] http://en.wikipedia.org/wiki/Calendar_date

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-13 14:40:47 -08:00
Jeff King
c5326bd62b checkout $tree: do not throw away unchanged index entries
When we "git checkout $tree", we pull paths from $tree into
the index, and then check the resulting entries out to the
worktree. Our method for the first step is rather
heavy-handed, though; it clobbers the entire existing index
entry, even if the content is the same. This means we lose
our stat information, leading checkout_entry to later
rewrite the entire file with identical content.

Instead, let's see if we have the identical entry already in
the index, in which case we leave it in place. That lets
checkout_entry do the right thing. Our tests cover two
interesting cases:

  1. We make sure that a file which has no changes is not
     rewritten.

  2. We make sure that we do update a file that is unchanged
     in the index (versus $tree), but has working tree
     changes. We keep the old index entry, and
     checkout_entry is able to realize that our stat
     information is out of date.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-13 14:35:41 -08:00
Torsten Bögershausen
f904f6603a t5705: the file:// URL should be absolute
The test misused a URL "file://." to mean "relative to here",
which we no longer accept.

In a file:// URL, typically there is no host, and RFC1738 says that
file:///<path> should be used.

Update t5705 to use a working URL.

Reported-by: Michael Blume <blume.mike@gmail.com>
Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-13 10:41:56 -08:00
Junio C Hamano
bbebdc1dca Merge branch 'jk/fetch-reflog-df-conflict'
Fix-up a test for portability.

* jk/fetch-reflog-df-conflict:
  t1410: fix breakage on case-insensitive filesystems
2014-11-12 11:59:58 -08:00
Johan Herland
8a4acd6995 notes: empty notes should be shown by 'git log'
If the user has gone through the trouble of explicitly adding an empty
note, then "git log" should not silently skip it (as if it didn't exist).

Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-12 11:00:22 -08:00
Johan Herland
d73a5b933d builtin/notes: add --allow-empty, to allow storing empty notes
Although the "git notes" man page advertises that we support binary-safe
notes addition (using the -C option), we currently do not support adding
the empty note (i.e. using the empty blob to annotate an object). Instead,
an empty note is always treated as an intent to remove the note
altogether.

Introduce the --allow-empty option to the add/append/edit subcommands,
to explicitly allow an empty note to be stored into the notes tree.

Also update the documentation, and add test cases for the new option.

Reported-by: James H. Fisher <jhf@trifork.com>
Improved-by: Kyle J. McKay <mackyle@gmail.com>
Improved-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-12 11:00:11 -08:00
Johan Herland
d0923b6d4c t3301: verify that 'git notes' removes empty notes by default
Add test cases documenting the current behavior when trying to
add/append/edit empty notes. This is in preparation for adding
--allow-empty; to allow empty notes to be stored.

Improved-by: Eric Sunshine <sunshine@sunshineco.com>
Improved-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-10 12:08:21 -08:00
Christian Couder
3d24a7267d trailer: add test with an old style conflict block
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-10 10:00:07 -08:00
Christian Couder
61cfef4ca4 trailer: reuse ignore_non_trailer() to ignore conflict lines
Make sure we look for trailers before any conflict line
by reusing the ignore_non_trailer() function.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-10 10:00:02 -08:00
Junio C Hamano
216d29ef25 Merge branch 'jc/conflict-hint' into cc/interpret-trailers-more
* jc/conflict-hint:
  merge & sequencer: turn "Conflicts:" hint into a comment
  builtin/commit.c: extract ignore_non_trailer() helper function
  merge & sequencer: unify codepaths that write "Conflicts:" hint
  builtin/merge.c: drop a parameter that is never used
  git-tag.txt: Add a missing hyphen to `-s`
2014-11-10 09:56:39 -08:00
Jeff King
aae828b911 t1410: fix breakage on case-insensitive filesystems
Two tests recently added to t1410 create branches "a" and
"a/b" to test d/f conflicts on reflogs. Earlier, unrelated
tests in that script create the path "A/B" in the working
tree.  There's no conflict on a case-sensitive filesystem,
but on a case-insensitive one, "git log" will complain that
"a/b" is both a revision and a working tree path.

We could fix this by using a "--" to disambiguate, but we
are probably better off using names that are less confusing
to make it more clear that they are unrelated to the working
tree files.  This patch turns "a/b" into "one/two".

Reported-by: Michael Blume <blume.mike@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-10 09:38:53 -08:00
Junio C Hamano
64b9326460 Merge branch 'tm/line-log-first-parent'
"git log --first-parent -L..." used to crash.

* tm/line-log-first-parent:
  line-log: fix crash when --first-parent is used
2014-11-06 10:52:37 -08:00
Junio C Hamano
a1671dd82b Merge branch 'jk/fetch-reflog-df-conflict'
Corner-case bugfixes for "git fetch" around reflog handling.

* jk/fetch-reflog-df-conflict:
  ignore stale directories when checking reflog existence
  fetch: load all default config at startup
2014-11-06 10:52:32 -08:00
Tzvetan Mikov
a8787c5c1c line-log: fix crash when --first-parent is used
line-log tries to access all parents of a commit, but only the first
parent has been loaded if "--first-parent" is specified, resulting
in a crash.

Limit the number of parents to one if "--first-parent" is specified.

Reported-by: Eric N. Vander Weele <ericvw@gmail.com>
Signed-off-by: Tzvetan Mikov <tmikov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-04 12:47:35 -08:00
Jeff King
9233887cce ignore stale directories when checking reflog existence
When we update a ref, we have two rules for whether or not
we actually update the reflog:

  1. If the reflog already exists, we will always append to
     it.

  2. If log_all_ref_updates is set, we will create a new
     reflog file if necessary.

We do the existence check by trying to open the reflog file,
either with or without O_CREAT (depending on log_all_ref_updates).
If it fails, then we check errno to see what happened.

If we were not using O_CREAT and we got ENOENT, the file
doesn't exist, and we return success (there isn't a reflog
already, and we were not told to make a new one).

If we get EISDIR, then there is likely a stale directory
that needs to be removed (e.g., there used to be "foo/bar",
it was deleted, and the directory "foo" was left. Now we
want to create the ref "foo"). If O_CREAT is set, then we
catch this case, try to remove the directory, and retry our
open. So far so good.

But if we get EISDIR and O_CREAT is not set, then we treat
this as any other error, which is not right. Like ENOENT,
EISDIR is an indication that we do not have a reflog, and we
should silently return success (we were not told to create
it). Instead, the current code reports this as an error, and
we fail to update the ref at all.

Note that this is relatively unlikely to happen, as you
would have to have had reflogs turned on, and then later
turned them off (it could also happen due to a bug in fetch,
but that was fixed in the previous commit). However, it's
quite easy to fix: we just need to treat EISDIR like ENOENT
for the non-O_CREAT case, and silently return (note that
this early return means we can also simplify the O_CREAT
case).

Our new tests cover both cases (O_CREAT and non-O_CREAT).
The first one already worked, of course.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-04 12:18:44 -08:00
Jeff King
72549dfd5d fetch: load all default config at startup
When we start the git-fetch program, we call git_config to
load all config, but our callback only processes the
fetch.prune option; we do not chain to git_default_config at
all.

This means that we may not load some core configuration
which will have an effect. For instance, we do not load
core.logAllRefUpdates, which impacts whether or not we
create reflogs in a bare repository.

Note that I said "may" above. It gets even more exciting. If
we have to transfer actual objects as part of the fetch,
then we call fetch_pack as part of the same process. That
function loads its own config, which does chain to
git_default_config, impacting global variables which are
used by the rest of fetch. But if the fetch is a pure ref
update (e.g., a new ref which is a copy of an old one), we
skip fetch_pack entirely. So we get inconsistent results
depending on whether or not we have actual objects to
transfer or not!

Let's just load the core config at the start of fetch, so we
know we have it (we may also load it again as part of
fetch_pack, but that's OK; it's designed to be idempotent).

Our tests check both cases (with and without a pack). We
also check similar behavior for push for good measure, but
it already works as expected.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-04 12:13:46 -08:00
Nguyễn Thái Ngọc Duy
fa137f67a4 lockfile.c: store absolute path
Locked paths can be saved in a linked list so that if something wrong
happens, *.lock are removed. For relative paths, this works fine if we
keep cwd the same, which is true 99% of time except:

- update-index and read-tree hold the lock on $GIT_DIR/index really
  early, then later on may call setup_work_tree() to move cwd.

- Suppose a lock is being held (e.g. by "git add") then somewhere
  down the line, somebody calls real_path (e.g. "link_alt_odb_entry"),
  which temporarily moves cwd away and back.

During that time when cwd is moved (either permanently or temporarily)
and we decide to die(), attempts to remove relative *.lock will fail,
and the next operation will complain that some files are still locked.

Avoid this case by turning relative paths to absolute before storing
the path in "filename" field.

Reported-by: Yue Lin Ho <yuelinho777@gmail.com>
Helped-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Helped-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Adapted-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-03 11:00:28 -08:00
Junio C Hamano
bf1f639ea2 Merge branch 'rs/grep-color-words'
Allow painting or not painting (partial) matches in context lines
when showing "grep -C<num>" output in color.

* rs/grep-color-words:
  grep: add color.grep.matchcontext and color.grep.matchselected
2014-10-31 11:49:47 -07:00
Junio C Hamano
ebc2e5a593 Merge branch 'jk/pack-objects-no-bitmap-when-splitting' into maint
* jk/pack-objects-no-bitmap-when-splitting:
  pack-objects: turn off bitmaps when we split packs
2014-10-29 10:35:17 -07:00
Junio C Hamano
9ce57f1228 Merge branch 'da/difftool'
Allow diff tool backend to stop early by exiting with a non-zero
status.

* da/difftool:
  difftool: add support for --trust-exit-code
  difftool--helper: exit when reading a prompt answer fails
2014-10-29 10:09:35 -07:00
Junio C Hamano
7654ca6963 Merge branch 'mg/lib-gpg-ro-safety'
In a tarball extract whose files are all read-only, running GPG
tests would have failed due to unwritable files.

* mg/lib-gpg-ro-safety:
  t/lib-gpg: make gpghome files writable
2014-10-29 10:08:16 -07:00
Junio C Hamano
d70e331c0e Merge branch 'jk/prune-mtime'
Tighten the logic to decide that an unreachable cruft is
sufficiently old by covering corner cases such as an ancient object
becoming reachable and then going unreachable again, in which case
its retention period should be prolonged.

* jk/prune-mtime: (28 commits)
  drop add_object_array_with_mode
  revision: remove definition of unused 'add_object' function
  pack-objects: double-check options before discarding objects
  repack: pack objects mentioned by the index
  pack-objects: use argv_array
  reachable: use revision machinery's --indexed-objects code
  rev-list: add --indexed-objects option
  rev-list: document --reflog option
  t5516: test pushing a tag of an otherwise unreferenced blob
  traverse_commit_list: support pending blobs/trees with paths
  make add_object_array_with_context interface more sane
  write_sha1_file: freshen existing objects
  pack-objects: match prune logic for discarding objects
  pack-objects: refactor unpack-unreachable expiration check
  prune: keep objects reachable from recent objects
  sha1_file: add for_each iterators for loose and packed objects
  count-objects: use for_each_loose_file_in_objdir
  count-objects: do not use xsize_t when counting object size
  prune-packed: use for_each_loose_file_in_objdir
  reachable: mark index blobs as SEEN
  ...
2014-10-29 10:07:56 -07:00
Junio C Hamano
261f315beb merge & sequencer: turn "Conflicts:" hint into a comment
Just like other hints such as "Changes to be committed" we show in
the editor to remind the committer what paths were involved in the
resulting commit to help improving their log message, this section
is merely a reminder.

Traditionally, it was not made into comments primarily because it
has to be generated outside the wt-status infrastructure, and also
because it was meant as a bit stronger reminder than the others
(i.e. explaining how you resolved conflicts is much more important
than mentioning what you did to every paths involved in the commit).

But that still does not make this hint a part of the log message
proper, and not showing it as a comment is inviting mistakes.

Note that we still notice "Conflicts:" followed by list of indented
pathnames as an old-style cruft and insert a new Signed-off-by:
before it.  This is so that "commit --amend -s" adds the new S-o-b
at the right place when used on an older commit.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-28 14:04:28 -07:00
David Aguilar
2b52123fcf difftool: add support for --trust-exit-code
Teach difftool to exit when a diff tool returns a non-zero exit
code when either --trust-exit-code is specified or
difftool.trustExitCode is true.

Forward exit codes from invoked diff tools to the caller when
--trust-exit-code is used.

Suggested-by: Adri Farr <14farresa@gmail.com>
Helped-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-28 10:36:57 -07:00
René Scharfe
79a77109d3 grep: add color.grep.matchcontext and color.grep.matchselected
The config option color.grep.match can be used to specify the highlighting
color for matching strings.  Add the options matchContext and matchSelected
to allow different colors to be specified for matching strings in the
context vs. in selected lines.  This is similar to the ms and mc specifiers
in GNU grep's environment variable GREP_COLORS.

Tests are from Zoltan Klinger's earlier attempt to solve the same
issue in a different way.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-28 10:33:50 -07:00
Junio C Hamano
d55aeb7687 strbuf_add_commented_lines(): avoid SP-HT sequence in commented lines
The strbuf_add_commented_lines() function passes a pair of prefixes,
one to be used for a non-empty line, and the other for an empty
line, to underlying add_lines().  The former is set to a comment
char followed by a SP, while the latter is set to just the comment
char.  This is designed to give a SP after the comment character,
e.g. "# <user text>\n", on a line with some text, and to avoid
emitting an unsightly "# \n" for an empty line.

Teach this machinery to also use the latter space-less prefix when
the payload line begins with a tab, to show e.g. "#\t<user text>\n";
otherwise we will end up showing "# \t<user text>\n" which is
similarly unsightly.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-27 14:13:59 -07:00
Michael J Gruber
e7f224f780 t/lib-gpg: make gpghome files writable
t/lib-gpg.sh copies the test environment's gpg home to the trash
directory and makes sure the directoty is writable.

Make sure the copied files are writable, too.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-27 12:09:36 -07:00
Johannes Sixt
25098690a0 difftool--helper: exit when reading a prompt answer fails
An attempt to quit difftool by hitting Ctrl-D (EOF) at its prompt does
not quit it, but is treated as if 'yes' was answered to the prompt and
all following prompts, which is contrary to the user's intent. Fix the
error check.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-27 11:17:56 -07:00
Junio C Hamano
a33043f639 Merge branch 'jc/push-cert'
* jc/push-cert:
  push: heed user.signingkey for signed pushes
2014-10-24 15:01:32 -07:00
Junio C Hamano
bb8caad381 Merge branch 'wk/t1304-wo-USER'
* wk/t1304-wo-USER:
  t1304: Set LOGNAME even if USER is unset or null
2014-10-24 14:59:02 -07:00
Junio C Hamano
26a22d8d00 Merge branch 'jk/pack-objects-no-bitmap-when-splitting'
Splitting pack-objects output into multiple packs is incompatible
with the use of reachability bitmap.

* jk/pack-objects-no-bitmap-when-splitting:
  pack-objects: turn off bitmaps when we split packs
2014-10-24 14:56:10 -07:00
Michael J Gruber
b9459019bb push: heed user.signingkey for signed pushes
push --signed promises to take user.signingkey as the signing key but
fails to read the config.

Make it do so.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-24 10:50:05 -07:00
Junio C Hamano
6936b5859c diff -B -M: fix output for "copy and then rewrite" case
Starting from a single file, A, if you create B as a copy of A (and
possibly make some edit) and then make extensive change to A, you
will see:

    $ git diff -C --name-status
    C89    A    B
    M      A

which is expected.  However, if you ask the same question in a
different way, you see this:

    $ git diff -B -M --name-status
    R89    A    B
    M100   A

telling us that A was rename-edited into B (as if "A will no longer
exist as the result") and at the same time A itself was extensively
edited.

In this case, because the resulting tree still does have file A
(even if it has contents vastly different from the original), we
should use "C"opy, not "R"ename, to avoid hinting that A somehow
goes away.

Two existing tests were depending on the wrong behaviour, and fixed.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-23 16:17:09 -07:00
Junio C Hamano
a46af5946c Merge branch 'da/mergetool-temporary-directory'
Allow a temporary directory specified to be used while running "git
mergetool" backend.

* da/mergetool-temporary-directory:
  t7610-mergetool: add test cases for mergetool.writeToTemp
  mergetool: add an option for writing to a temporary directory
2014-10-21 13:28:42 -07:00
Junio C Hamano
e96e98b339 Merge branch 'da/mergetool-tool-help'
Allow "git mergetool --help" to run outside a Git repository.

* da/mergetool-tool-help:
  difftool: don't assume that default sh is sane
  mergetool: don't require a work tree for --tool-help
  git-sh-setup: move GIT_DIR initialization into a function
  mergetool: use more conservative temporary filenames
  test-lib-functions: adjust style to match CodingGuidelines
  t7610-mergetool: prefer test_config over git config
2014-10-21 13:28:37 -07:00
Junio C Hamano
64bff25f78 Merge branch 'da/mergetool-tests'
The clean-up of this test script was long overdue and is a very
welcome change.

* da/mergetool-tests:
  test-lib-functions: adjust style to match CodingGuidelines
  t7610-mergetool: use test_config to isolate tests
  t7610-mergetool: add missing && and remove commented-out code
  t7610-mergetool: use tabs instead of a mix of tabs and spaces
2014-10-21 13:28:14 -07:00
Junio C Hamano
3c85452bb0 Merge branch 'rs/ref-transaction'
The API to update refs have been restructured to allow introducing
a true transactional updates later.  We would even allow storing
refs in backends other than the traditional filesystem-based one.

* rs/ref-transaction: (25 commits)
  ref_transaction_commit: bail out on failure to remove a ref
  lockfile: remove unable_to_lock_error
  refs.c: do not permit err == NULL
  remote rm/prune: print a message when writing packed-refs fails
  for-each-ref: skip and warn about broken ref names
  refs.c: allow listing and deleting badly named refs
  test: put tests for handling of bad ref names in one place
  packed-ref cache: forbid dot-components in refnames
  branch -d: simplify by using RESOLVE_REF_READING
  branch -d: avoid repeated symref resolution
  reflog test: test interaction with detached HEAD
  refs.c: change resolve_ref_unsafe reading argument to be a flags field
  refs.c: make write_ref_sha1 static
  fetch.c: change s_update_ref to use a ref transaction
  refs.c: ref_transaction_commit: distinguish name conflicts from other errors
  refs.c: pass a list of names to skip to is_refname_available
  refs.c: call lock_ref_sha1_basic directly from commit
  refs.c: refuse to lock badly named refs in lock_ref_sha1_basic
  rename_ref: don't ask read_ref_full where the ref came from
  refs.c: pass the ref log message to _create/delete/update instead of _commit
  ...
2014-10-21 13:28:10 -07:00
Junio C Hamano
9d04401ffe Merge branch 'cc/interpret-trailers'
A new filter to programatically edit the tail end of the commit log
messages.

* cc/interpret-trailers:
  Documentation: add documentation for 'git interpret-trailers'
  trailer: add tests for commands in config file
  trailer: execute command from 'trailer.<name>.command'
  trailer: add tests for "git interpret-trailers"
  trailer: add interpret-trailers command
  trailer: put all the processing together and print
  trailer: parse trailers from file or stdin
  trailer: process command line trailer arguments
  trailer: read and process config information
  trailer: process trailers from input message and arguments
  trailer: add data structures and basic functions
2014-10-20 12:25:32 -07:00
Junio C Hamano
713ee7fe46 Merge branch 'ta/config-set'
* ta/config-set:
  t1308: fix broken here document in test script
2014-10-20 12:23:43 -07:00
Junio C Hamano
f9a2fd3616 Merge branch 'jk/test-shell-trace'
Test scripts were taught to notice "-x" option to show shell trace,
as if the tests were run under "sh -x".

* jk/test-shell-trace:
  test-lib.sh: support -x option for shell-tracing
  t5304: use helper to report failure of "test foo = bar"
  t5304: use test_path_is_* instead of "test -f"
2014-10-20 12:23:40 -07:00
Junio C Hamano
15c6ef7b06 Revert "archive: honor tar.umask even for pax headers"
This reverts commit 10f343ea81, whose
output is no longer bit-for-bit equivalent from the older versions
of Git, which the infrastructure to (pretend to) upload tarballs
kernel.org uses depends on.
2014-10-20 12:04:46 -07:00
W. Trevor King
7544b2e2da t1304: Set LOGNAME even if USER is unset or null
Avoid:

  # ./t1304-default-acl.sh
  ok 1 - checking for a working acl setup
  ok 2 - Setup test repo
  not ok 3 - Objects creation does not break ACLs with restrictive umask
  #
  #               # SHA1 for empty blob
  #               check_perms_and_acl .git/objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391
  #
  not ok 4 - git gc does not break ACLs with restrictive umask
  #
  #               git gc &&
  #               check_perms_and_acl .git/objects/pack/*.pack
  #
  # failed 2 among 4 test(s)
  1..4

on systems where USER isn't set.  It's usually set by the login
process, but it isn't set when launching some Docker images.  For
example:

  $ docker run --rm debian env
  HOME=/
  PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
  HOSTNAME=b2dfdfe797ed

'id -u -n' has been in POSIX from Issue 2 through 2013 [1], so I don't
expect compatibility issues.

[1]: http://pubs.opengroup.org/onlinepubs/9699919799/utilities/id.html

Signed-off-by: W. Trevor King <wking@tremily.us>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-19 15:47:20 -07:00
Jeff King
2113471478 pack-objects: turn off bitmaps when we split packs
If a pack.packSizeLimit is set, we may split the pack data
across multiple packfiles. This means we cannot generate
.bitmap files, as they require that all of the reachable
objects are in the same pack. We check that condition when
we are generating the list of objects to pack (and disable
bitmaps if we are not packing everything), but we forgot to
update it when we notice that we needed to split (which
doesn't happen until the actual write phase).

The resulting bitmaps are quite bogus (they mention entries
that do not exist in the pack!) and can cause a fetch or
push to send insufficient objects.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-19 15:08:38 -07:00
Jeff King
c90f9e13ab repack: pack objects mentioned by the index
When we pack all objects, we use only the objects reachable
from references and reflogs. This misses any objects which
are reachable from the index, but not yet referenced.

By itself this isn't a big deal; the objects can remain
loose until they are actually used in a commit. However, it
does create a problem when we drop packed but unreachable
objects. We try to optimize out the writing of objects that
we will immediately prune, which means we must follow the
same rules as prune in determining what is reachable. And
prune uses the index for this purpose.

This is rather uncommon in practice, as objects in the index
would not usually have been packed in the first place. But
it could happen in a sequence like:

  1. You make a commit on a branch that references blob X.

  2. You repack, moving X into the pack.

  3. You delete the branch (and its reflog), so that X is
     unreferenced.

  4. You "git add" blob X so that it is now referenced only
     by the index.

  5. You repack again with git-gc. The pack-objects we
     invoke will see that X is neither referenced nor
     recent and not bother loosening it.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-19 15:07:07 -07:00
Jeff King
4fe10219bc rev-list: add --indexed-objects option
There is currently no easy way to ask the revision traversal
machinery to include objects reachable from the index (e.g.,
blobs and trees that have not yet been committed). This
patch adds an option to do so.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-19 15:07:07 -07:00
Jeff King
458a7e508c t5516: test pushing a tag of an otherwise unreferenced blob
It's not unreasonable to have a tag that points to a blob
that is not part of the normal history. We do this in
git.git to distribute gpg keys. However, we never explicitly
checked in our test suite that this actually works (i.e.,
that pack-objects actually sends the blob because of the tag
mentioning it).

It does in fact work fine, but a recent patch under
discussion broke this, and the test suite didn't notice.
Let's make the test suite more complete.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-19 15:07:06 -07:00
David Aguilar
688684eba4 t7610-mergetool: add test cases for mergetool.writeToTemp
Add tests to ensure that filenames start with "./" when
mergetool.writeToTemp is false and do not start with "./" when
mergetool.writeToTemp is true.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-16 12:09:51 -07:00
David Aguilar
9e8f8dea46 test-lib-functions: adjust style to match CodingGuidelines
Prefer "test" over "[ ]" for conditionals.
Prefer "$()" over backticks for command substitutions.
Avoid control structures on a single line with semicolons.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-16 12:04:05 -07:00
David Aguilar
d7d300ea59 t7610-mergetool: use test_config to isolate tests
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-16 12:03:21 -07:00
Jeff King
33d4221c79 write_sha1_file: freshen existing objects
When we try to write a loose object file, we first check
whether that object already exists. If so, we skip the
write as an optimization. However, this can interfere with
prune's strategy of using mtimes to mark files in progress.

For example, if a branch contains a particular tree object
and is deleted, that tree object may become unreachable, and
have an old mtime. If a new operation then tries to write
the same tree, this ends up as a noop; we notice we
already have the object and do nothing. A prune running
simultaneously with this operation will see the object as
old, and may delete it.

We can solve this by "freshening" objects that we avoid
writing by updating their mtime. The algorithm for doing so
is essentially the same as that of has_sha1_file. Therefore
we provide a new (static) interface "check_and_freshen",
which finds and optionally freshens the object. It's trivial
to implement freshening and simple checking by tweaking a
single parameter.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-16 10:10:43 -07:00
Jeff King
abcb86553d pack-objects: match prune logic for discarding objects
A recent commit taught git-prune to keep non-recent objects
that are reachable from recent ones. However, pack-objects,
when loosening unreachable objects, tries to optimize out
the write in the case that the object will be immediately
pruned. It now gets this wrong, since its rule does not
reflect the new prune code (and this can be seen by running
t6501 with a strategically placed repack).

Let's teach pack-objects similar logic.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-16 10:10:43 -07:00
Jeff King
d3038d22f9 prune: keep objects reachable from recent objects
Our current strategy with prune is that an object falls into
one of three categories:

  1. Reachable (from ref tips, reflogs, index, etc).

  2. Not reachable, but recent (based on the --expire time).

  3. Not reachable and not recent.

We keep objects from (1) and (2), but prune objects in (3).
The point of (2) is that these objects may be part of an
in-progress operation that has not yet updated any refs.

However, it is not always the case that objects for an
in-progress operation will have a recent mtime. For example,
the object database may have an old copy of a blob (from an
abandoned operation, a branch that was deleted, etc). If we
create a new tree that points to it, a simultaneous prune
will leave our tree, but delete the blob. Referencing that
tree with a commit will then work (we check that the tree is
in the object database, but not that all of its referred
objects are), as will mentioning the commit in a ref. But
the resulting repo is corrupt; we are missing the blob
reachable from a ref.

One way to solve this is to be more thorough when
referencing a sha1: make sure that not only do we have that
sha1, but that we have objects it refers to, and so forth
recursively. The problem is that this is very expensive.
Creating a parent link would require traversing the entire
object graph!

Instead, this patch pushes the extra work onto prune, which
runs less frequently (and has to look at the whole object
graph anyway). It creates a new category of objects: objects
which are not recent, but which are reachable from a recent
object. We do not prune these objects, just like the
reachable and recent ones.

This lets us avoid the recursive check above, because if we
have an object, even if it is unreachable, we should have
its referent. We can make a simple inductive argument that
with this patch, this property holds (that there are no
objects with missing referents in the repository):

  0. When we have no objects, we have nothing to refer or be
     referred to, so the property holds.

  1. If we add objects to the repository, their direct
     referents must generally exist (e.g., if you create a
     tree, the blobs it references must exist; if you create
     a commit to point at the tree, the tree must exist).
     This is already the case before this patch. And it is
     not 100% foolproof (you can make bogus objects using
     `git hash-object`, for example), but it should be the
     case for normal usage.

     Therefore for any sequence of object additions, the
     property will continue to hold.

  2. If we remove objects from the repository, then we will
     not remove a child object (like a blob) if an object
     that refers to it is being kept. That is the part
     implemented by this patch.

     Note, however, that our reachability check and the
     actual pruning are not atomic. So it _is_ still
     possible to violate the property (e.g., an object
     becomes referenced just as we are deleting it). This
     patch is shooting for eliminating problems where the
     mtimes of dependent objects differ by hours or days,
     and one is dropped without the other. It does nothing
     to help with short races.

Naively, the simplest way to implement this would be to add
all recent objects as tips to the reachability traversal.
However, this does not perform well. In a recently-packed
repository, all reachable objects will also be recent, and
therefore we have to look at each object twice. This patch
instead performs the reachability traversal, then follows up
with a second traversal for recent objects, skipping any
that have already been marked.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-16 10:10:42 -07:00
Junio C Hamano
fb1d6dabce clone: --dissociate option to mark that reference is only temporary
While use of the --reference option to borrow objects from an
existing local repository of the same project is an effective way to
reduce traffic when cloning a project over the network, it makes the
resulting "borrowing" repository dependent on the "borrowed"
repository.  After running

	git clone --reference=P $URL Q

the resulting repository Q will be broken if the borrowed repository
P disappears.

The way to allow the borrowed repository to be removed is to repack
the borrowing repository (i.e. run "git repack -a -d" in Q); while
power users may know it very well, it is not easily discoverable.

Teach a new "--dissociate" option to "git clone" to run this
repacking for the user.

Helped-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15 14:34:45 -07:00
David Aguilar
76ee96a9b6 test-lib-functions: adjust style to match CodingGuidelines
Prefer "test" over "[ ]" for conditionals.
Prefer "$()" over backticks for command substitutions.
Avoid control structures on a single line with semicolons.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15 14:09:15 -07:00
David Aguilar
f9e43085bb t7610-mergetool: prefer test_config over git config
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15 13:49:11 -07:00
David Aguilar
4756c05741 t7610-mergetool: add missing && and remove commented-out code
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15 13:48:15 -07:00
David Aguilar
74578618a0 t7610-mergetool: use tabs instead of a mix of tabs and spaces
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15 13:47:51 -07:00
Ronnie Sahlberg
d0f810f0bc refs.c: allow listing and deleting badly named refs
We currently do not handle badly named refs well:

  $ cp .git/refs/heads/master .git/refs/heads/master.....@\*@\\.
  $ git branch
    fatal: Reference has invalid format: 'refs/heads/master.....@*@\.'
  $ git branch -D master.....@\*@\\.
    error: branch 'master.....@*@\.' not found.

Users cannot recover from a badly named ref without manually finding
and deleting the loose ref file or appropriate line in packed-refs.
Making that easier will make it easier to tweak the ref naming rules
in the future, for example to forbid shell metacharacters like '`'
and '"', without putting people in a state that is hard to get out of.

So allow "branch --list" to show these refs and allow "branch -d/-D"
and "update-ref -d" to delete them.  Other commands (for example to
rename refs) will continue to not handle these refs but can be changed
in later patches.

Details:

In resolving functions, refuse to resolve refs that don't pass the
git-check-ref-format(1) check unless the new RESOLVE_REF_ALLOW_BAD_NAME
flag is passed.  Even with RESOLVE_REF_ALLOW_BAD_NAME, refuse to
resolve refs that escape the refs/ directory and do not match the
pattern [A-Z_]* (think "HEAD" and "MERGE_HEAD").

In locking functions, refuse to act on badly named refs unless they
are being deleted and either are in the refs/ directory or match [A-Z_]*.

Just like other invalid refs, flag resolved, badly named refs with the
REF_ISBROKEN flag, treat them as resolving to null_sha1, and skip them
in all iteration functions except for for_each_rawref.

Flag badly named refs (but not symrefs pointing to badly named refs)
with a REF_BAD_NAME flag to make it easier for future callers to
notice and handle them specially.  For example, in a later patch
for-each-ref will use this flag to detect refs whose names can confuse
callers parsing for-each-ref output.

In the transaction API, refuse to create or update badly named refs,
but allow deleting them (unless they try to escape refs/ and don't match
[A-Z_]*).

Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15 10:47:26 -07:00
Ronnie Sahlberg
8159f4af7d test: put tests for handling of bad ref names in one place
There's no straightforward way to grep for all tests dealing with
invalid refs.  Put them in a single test script so it is easy to see
what functionality has not been exercised with bad ref names yet.

Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15 10:47:25 -07:00
Jonathan Nieder
62a2d52514 branch -d: avoid repeated symref resolution
If a repository gets in a broken state with too much symref nesting,
it cannot be repaired with "git branch -d":

 $ git symbolic-ref refs/heads/nonsense refs/heads/nonsense
 $ git branch -d nonsense
 error: branch 'nonsense' not found.

Worse, "git update-ref --no-deref -d" doesn't work for such repairs
either:

 $ git update-ref -d refs/heads/nonsense
 error: unable to resolve reference refs/heads/nonsense: Too many levels of symbolic links

Fix both by teaching resolve_ref_unsafe a new RESOLVE_REF_NO_RECURSE
flag and passing it when appropriate.

Callers can still read the value of a symref (for example to print a
message about it) with that flag set --- resolve_ref_unsafe will
resolve one level of symrefs and stop there.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Reviewed-by: Ronnie Sahlberg <sahlberg@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15 10:47:25 -07:00
Junio C Hamano
014e7db3f5 reflog test: test interaction with detached HEAD
A proposed patch produced broken HEAD reflog entries when checking out
anything other than a branch.  The testsuite still passed, so it took
a few days for the bug to be noticed.

Add tests checking the content of the reflog after detaching and
reattaching HEAD so we don't have to rely on manual testing to catch
such problems in the future.

[jn: using 'log -g --format=%H' instead of parsing --oneline output,
 resetting state in each test so they can be safely reordered or
 skipped]

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Reviewed-by: Ronnie Sahlberg <sahlberg@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15 10:47:24 -07:00
Jonathan Nieder
2b2b1e4d27 mv test: recreate mod/ directory instead of relying on stale copy
The tests for 'git mv moves a submodule' functionality often run
commands like

	git mv sub mod/sub

to move a submodule into a subdirectory.  Just like plain /bin/mv,
this is supposed to succeed if the mod/ parent directory exists
and fail if it doesn't exist.

Usually these tests mkdir the parent directory beforehand, but some
instead rely on it being left behind by previous tests.

More precisely, when 'git reset --hard' tries to move to a state where
mod/sub is not present any more, it would perform the following
operations:

	rmdir("mod/sub")
	rmdir("mod")

The first fails with ENOENT because the test script removed mod/sub
with "rm -rf" already, so 'reset --hard' doesn't bother to move on to
the second, and the mod/ directory is kept around.

Better to explicitly remove and re-create the mod/ directory so later
tests don't have to depend on the directory left behind by the earlier
ones at all (making it easier to rearrange or skip some tests in the
file or to tweak 'reset --hard' behavior without breaking unrelated
tests).

Noticed while testing a patch that fixes the reset --hard behavior
described above.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Reviewed-by: Ronnie Sahlberg <sahlberg@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15 10:47:20 -07:00
Junio C Hamano
05e73682cd checkout: report upstream correctly even with loosely defined branch.*.merge
When checking out a branch that is set to build on top of another
branch (often, a remote-tracking branch), "git checkout" reports how
your work relates to the other branch, e.g.

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

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

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

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

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

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

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-14 15:12:07 -07:00
Junio C Hamano
40e2d8dbaf Merge branch 'rs/sha1-array-test'
* rs/sha1-array-test:
  sha1-lookup: handle duplicates in sha1_pos()
  sha1-array: add test-sha1-array and basic tests
2014-10-14 10:49:56 -07:00
Junio C Hamano
7543dea8b2 Merge branch 'sk/tag-contains-wo-recursion'
* sk/tag-contains-wo-recursion:
  t7004: give the test a bit more stack space
2014-10-14 10:49:41 -07:00
Junio C Hamano
e2ebb5c433 Merge branch 'dt/cache-tree-repair'
This fixes a topic that has graduated to 'master'.

* dt/cache-tree-repair:
  t0090: avoid passing empty string to printf %d
2014-10-14 10:49:12 -07:00
Jeff King
a136f6d8ff test-lib.sh: support -x option for shell-tracing
Usually running a test under "-v" makes it clear which
command is failing. However, sometimes it can be useful to
also see a complete trace of the shell commands being run in
the test. You can do so without any support from the test
suite by running "sh -x tXXXX-foo.sh". However, this
produces quite a large bit of output, as we see a trace of
the entire test suite.

This patch instead introduces a "-x" option to the test
scripts (i.e., "./tXXXX-foo.sh -x"). When enabled, this
turns on "set -x" only for the tests themselves. This can
still be a bit verbose, but should keep things to a more
manageable level. You can even use "--verbose-only" to see
the trace only for a specific test.

The implementation is a little invasive. We turn on the "set
-x" inside the "eval" of the test code. This lets the eval
itself avoid being reported in the trace (which would be
long, and redundant with the verbose listing we already
showed). And then after the eval runs, we do some trickery
with stderr to avoid showing the "set +x" to the user.

We also show traces for test_cleanup functions (since they
can impact the test outcome, too). However, we do avoid
running the noop ":" cleanup (the default if the test does
not use test_cleanup at all), as it creates unnecessary
noise in the "set -x" output.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-13 15:39:57 -07:00
Junio C Hamano
dc05179b5a t1308: fix broken here document in test script
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-13 15:25:42 -07:00
Christian Couder
b9384ff34e trailer: add tests for commands in config file
And add a few other tests for some special cases.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-13 13:59:48 -07:00
Christian Couder
76bed78a58 trailer: add tests for "git interpret-trailers"
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-13 13:59:45 -07:00
Jeff King
8ad1652418 t5304: use helper to report failure of "test foo = bar"
For small outputs, we sometimes use:

  test "$(some_cmd)" = "something we expect"

instead of a full test_cmp. The downside of this is that
when it fails, there is no output at all from the script.
Let's introduce a small helper to make tests easier to
debug.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-13 11:27:40 -07:00
Jeff King
f1dd90bd19 t5304: use test_path_is_* instead of "test -f"
This is slightly more robust (checking "! test -f" would not
notice a directory of the same name, though that is not
likely to happen here). It also makes debugging easier, as
the test script will output a message on failure.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-13 11:27:07 -07:00
Junio C Hamano
f0d8900175 Merge branch 'sp/stream-clean-filter'
When running a required clean filter, we do not have to mmap the
original before feeding the filter.  Instead, stream the file
contents directly to the filter and process its output.

* sp/stream-clean-filter:
  sha1_file: don't convert off_t to size_t too early to avoid potential die()
  convert: stream from fd to required clean filter to reduce used address space
  copy_fd(): do not close the input file descriptor
  mmap_limit: introduce GIT_MMAP_LIMIT to allow testing expected mmap size
  memory_limit: use git_env_ulong() to parse GIT_ALLOC_LIMIT
  config.c: add git_env_ulong() to parse environment variable
  convert: drop arguments other than 'path' from would_convert_to_git()
2014-10-08 13:05:32 -07:00
Junio C Hamano
9342f49738 Merge branch 'bw/use-write-script-in-tests'
* bw/use-write-script-in-tests:
  t/lib-credential: use write_script
2014-10-08 13:05:29 -07:00
Junio C Hamano
b2c45f5b96 Merge branch 'nd/archive-pathspec'
"git archive" learned to filter what gets archived with pathspec.

* nd/archive-pathspec:
  archive: support filtering paths with glob
2014-10-08 13:05:26 -07:00
Junio C Hamano
fb06b5280e Merge branch 'jc/push-cert'
Allow "git push" request to be signed, so that it can be verified and
audited, using the GPG signature of the person who pushed, that the
tips of branches at a public repository really point the commits
the pusher wanted to, without having to "trust" the server.

* jc/push-cert: (24 commits)
  receive-pack::hmac_sha1(): copy the entire SHA-1 hash out
  signed push: allow stale nonce in stateless mode
  signed push: teach smart-HTTP to pass "git push --signed" around
  signed push: fortify against replay attacks
  signed push: add "pushee" header to push certificate
  signed push: remove duplicated protocol info
  send-pack: send feature request on push-cert packet
  receive-pack: GPG-validate push certificates
  push: the beginning of "git push --signed"
  pack-protocol doc: typofix for PKT-LINE
  gpg-interface: move parse_signature() to where it should be
  gpg-interface: move parse_gpg_output() to where it should be
  send-pack: clarify that cmds_sent is a boolean
  send-pack: refactor inspecting and resetting status and sending commands
  send-pack: rename "new_refs" to "need_pack_data"
  receive-pack: factor out capability string generation
  send-pack: factor out capability string generation
  send-pack: always send capabilities
  send-pack: refactor decision to send update per ref
  send-pack: move REF_STATUS_REJECT_NODELETE logic a bit higher
  ...
2014-10-08 13:05:25 -07:00
Junio C Hamano
b6e8269e9b Merge branch 'jk/mbox-from-line' into maint
Some MUAs mangled a line in a message that begins with "From " to
">From " when writing to a mailbox file and feeding such an input to
"git am" used to lose such a line.

* jk/mbox-from-line:
  mailinfo: work around -Wstring-plus-int warning
  mailinfo: make ">From" in-body header check more robust
2014-10-07 13:39:27 -07:00
René Scharfe
0eb0fb889e sha1-lookup: handle duplicates in sha1_pos()
If the first 18 bytes of the SHA1's of all entries are the same then
sha1_pos() dies and reports that the lower and upper limits of the
binary search were the same that this wasn't supposed to happen.  This
is wrong because the remaining two bytes could still differ.

Furthermore: It wouldn't be a problem if they actually were the same,
i.e. if all entries have the same SHA1.  The code already handles
duplicates just fine.  Simply remove the erroneous check.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-01 13:32:19 -07:00
René Scharfe
38d905bf58 sha1-array: add test-sha1-array and basic tests
Helped-by: Jeff King <peff@peff.net>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-01 13:32:10 -07:00
René Scharfe
c8db708d5d t0090: avoid passing empty string to printf %d
FreeBSD's printf(1) doesn't accept empty strings for numerical format
specifiers:

	$ printf "%d\n" "" >/dev/null; echo $?
	printf: : expected numeric value
	1

Initialize the AWK variable c to make sure the shell variable
subtree_count always contains a numerical value, in order to keep the
subsequently called printf happy.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-30 11:53:23 -07:00
Junio C Hamano
0ba92ef338 Merge branch 'jc/test-lazy-prereq'
Test-script clean-up.

* jc/test-lazy-prereq:
  tests: drop GIT_*_TIMING_TESTS environment variable support
2014-09-29 22:17:23 -07:00
Junio C Hamano
131f0315c4 Merge branch 'pr/use-default-sigpipe-setting'
We used to get confused when a process called us with SIGPIPE
ignored; we do want to die with SIGPIPE when the output is not
read by default, and do ignore the signal when appropriate.

* pr/use-default-sigpipe-setting:
  mingw.h: add dummy functions for sigset_t operations
  unblock and unignore SIGPIPE
2014-09-29 22:17:20 -07:00
Junio C Hamano
46c8f859b7 Merge branch 'jk/fsck-exit-code-fix' into maint
"git fsck" failed to report that it found corrupt objects via its
exit status in some cases.

* jk/fsck-exit-code-fix:
  fsck: return non-zero status on missing ref tips
  fsck: exit with non-zero status upon error from fsck_obj()
2014-09-29 22:10:55 -07:00
Junio C Hamano
102edda4df Merge branch 'ta/config-add-to-empty-or-true-fix' into maint
"git config --add section.var val" used to lose existing
section.var whose value was an empty string.

* ta/config-add-to-empty-or-true-fix:
  config: avoid a funny sentinel value "a^"
  make config --add behave correctly for empty and NULL values
2014-09-29 22:10:25 -07:00
Junio C Hamano
421ec4f8d1 Merge branch 'mk/reachable-protect-detached-head' into maint
Reachability check (used in "git prune" and friends) did not add a
detached HEAD as a starting point to traverse objects still in use.

* mk/reachable-protect-detached-head:
  reachable.c: add HEAD to reachability starting commits
2014-09-29 22:10:04 -07:00
Junio C Hamano
5b830a8588 Merge branch 'mb/fast-import-delete-root' into maint
An attempt to remove the entire tree in the "git fast-import" input
stream caused it to misbehave.

* mb/fast-import-delete-root:
  fast-import: fix segfault in store_tree()
  t9300: test filedelete command
2014-09-29 22:09:48 -07:00
Junio C Hamano
060517093e Merge branch 'jk/send-pack-many-refspecs' into maint
"git push" over HTTP transport had an artificial limit on number of
refs that can be pushed imposed by the command line length.

* jk/send-pack-many-refspecs:
  send-pack: take refspecs over stdin
2014-09-29 22:08:17 -07:00
Junio C Hamano
26d0587389 Merge branch 'jk/mbox-from-line'
Some MUAs mangled a line in a message that begins with "From " to
">From " when writing to a mailbox file and feeding such an input
to "git am" used to lose such a line.

* jk/mbox-from-line:
  mailinfo: work around -Wstring-plus-int warning
  mailinfo: make ">From" in-body header check more robust
2014-09-29 12:36:15 -07:00
Junio C Hamano
12ba0e771c Merge branch 'sb/t6031-typofix'
* sb/t6031-typofix:
  t6031-test-merge-recursive: do not forget to add file to be committed
2014-09-29 12:36:14 -07:00
Junio C Hamano
4d4dc66df0 Merge branch 'sb/t9300-typofix'
* sb/t9300-typofix:
  t9300-fast-import: fix typo in test description
2014-09-29 12:36:13 -07:00
Junio C Hamano
507fe835ed Merge branch 'da/rev-parse-verify-quiet'
"rev-parse --verify --quiet $name" is meant to quietly exit with a
non-zero status when $name is not a valid object name, but still
gave error messages in some cases.

* da/rev-parse-verify-quiet:
  stash: prefer --quiet over shell redirection of the standard error stream
  refs: make rev-parse --quiet actually quiet
  t1503: use test_must_be_empty
  Documentation: a note about stdout for git rev-parse --verify --quiet
2014-09-29 12:36:10 -07:00
Junio C Hamano
b8e533f12a Merge branch 'hj/pretty-naked-decoration'
The pretty-format specifier "%d", which expanded to " (tagname)"
for a tagged commit, gained a cousin "%D" that just gives the
"tagname" without frills.

* hj/pretty-naked-decoration:
  pretty: add %D format specifier
2014-09-29 12:36:09 -07:00
Ben Walton
c049216fdf t/lib-credential: use write_script
Use write_script to create the helper "askpass" script, instead of
hand-creating it with hardcoded "#!/bin/sh" to make sure we use the
shell the user told us to use.

Signed-off-by: Ben Walton <bdwalton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-29 09:06:52 -07:00
Junio C Hamano
5500095ff4 Merge branch 'jk/branch-verbose-merged'
The "--verbose" option no longer breaks "git branch --merged $it".

* jk/branch-verbose-merged:
  branch: clean up commit flags after merge-filter walk
2014-09-26 14:39:45 -07:00
Junio C Hamano
bdab1bca53 Merge branch 'jc/ignore-sigpipe-while-running-hooks'
pre- and post-receive hooks are no longer required to read all
their inputs.

* jc/ignore-sigpipe-while-running-hooks:
  receive-pack: allow hooks to ignore its standard input stream
2014-09-26 14:39:44 -07:00
Junio C Hamano
f190737f22 Merge branch 'jc/hash-object-fsck-tag'
Using "hash-object --literally", test one of the new breakages
js/fsck-tag-validation topic teaches "fsck" to catch is caught.

* jc/hash-object-fsck-tag:
  t1450: make sure fsck detects a malformed tagger line
2014-09-26 14:39:44 -07:00
Junio C Hamano
13f4f04692 Merge branch 'js/fsck-tag-validation'
Teach "git fsck" to inspect the contents of annotated tag objects.

* js/fsck-tag-validation:
  Make sure that index-pack --strict checks tag objects
  Add regression tests for stricter tag fsck'ing
  fsck: check tag objects' headers
  Make sure fsck_commit_buffer() does not run out of the buffer
  fsck_object(): allow passing object data separately from the object itself
  Refactor type_from_string() to allow continuing after detecting an error
2014-09-26 14:39:43 -07:00
Junio C Hamano
9bc4222746 Merge branch 'jk/faster-name-conflicts'
Optimize the check to see if a ref $F can be created by making sure
no existing ref has $F/ as its prefix, which especially matters in
a repository with a large number of existing refs.

* jk/faster-name-conflicts:
  refs: speed up is_refname_available
2014-09-26 14:39:43 -07:00
Junio C Hamano
b9a1907899 t7004: give the test a bit more stack space
It was reported that the allocated stack space was too small for
some archs openSUSE buildfarm runs the tests on.  Double it while
also doubling the amount of data to be handled.

Reported-by: Andreas Schwab <schwab@linux-m68k.org>
Suggested-by: Jeff King <peff@peff.net>
Tested-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-23 15:41:38 -07:00
Johannes Sixt
4e6d207c45 mingw.h: add dummy functions for sigset_t operations
Windows does not have POSIX-like signals, and so we ignore all
operations on the non-existent signal mask machinery.

Do not turn sigemptyset into a function, but leave it a macro that
erases the code in the argument because it is used to set sa_mask
of a struct sigaction, but our dummy in mingw.h does not have that
member.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-22 13:41:52 -07:00
Stefan Beller
8c3419bdbd t6031-test-merge-recursive: do not forget to add file to be committed
Signed-off-by: Stefan Beller <stefanbeller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-22 12:46:15 -07:00
Stefan Beller
634c42da22 t9300-fast-import: fix typo in test description
Signed-off-by: Stefan Beller <stefanbeller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-22 12:42:24 -07:00
Nguyễn Thái Ngọc Duy
ed22b4173b archive: support filtering paths with glob
This patch fixes two problems with using :(glob) (or even "*.c"
without ":(glob)").

The first one is we forgot to turn on the 'recursive' flag in struct
pathspec. Without that, tree_entry_interesting() will not mark
potential directories "interesting" so that it can confirm whether
those directories have anything matching the pathspec.

The marking directories interesting has a side effect that we need to
walk inside a directory to realize that there's nothing interested in
there. By that time, 'archive' code has already written the (empty)
directory down. That means lots of empty directories in the result
archive.

This problem is fixed by lazily writing directories down when we know
they are actually needed. There is a theoretical bug in this
implementation: we can't write empty trees/directories that match that
pathspec.

path_exists() is also made stricter in order to detect non-matching
pathspec because when this 'recursive' flag is on, we most likely
match some directories. The easiest way is not consider any
directories "matched".

Noticed-by: Peter Wu <peter@lekensteyn.nl>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-22 12:04:29 -07:00
Junio C Hamano
fb6f843a8f Merge branch 'jk/prune-top-level-refs-after-packing' into maint
* jk/prune-top-level-refs-after-packing:
  pack-refs: prune top-level refs like "refs/foo"
2014-09-19 14:05:12 -07:00
Junio C Hamano
a28e876b9d Merge branch 'jn/unpack-trees-checkout-m-carry-deletion' into maint
* jn/unpack-trees-checkout-m-carry-deletion:
  checkout -m: attempt merge when deletion of path was staged
  unpack-trees: use 'cuddled' style for if-else cascade
  unpack-trees: simplify 'all other failures' case
2014-09-19 14:05:12 -07:00
Junio C Hamano
92ea1ac826 Merge branch 'rs/refresh-beyond-symlink' into maint
* rs/refresh-beyond-symlink:
  read-cache: check for leading symlinks when refreshing index
2014-09-19 14:05:11 -07:00
Junio C Hamano
ffe41f8d32 Merge branch 'lf/bundle-exclusion' into maint
* lf/bundle-exclusion:
  bundle: fix exclusion of annotated tags
2014-09-19 14:05:11 -07:00
Junio C Hamano
bb6ac5ea13 Merge branch 'jc/apply-ws-prefix' into maint
* jc/apply-ws-prefix:
  apply: omit ws check for excluded paths
  apply: hoist use_patch() helper for path exclusion up
  apply: use the right attribute for paths in non-Git patches

Conflicts:
	builtin/apply.c
2014-09-19 14:05:10 -07:00
Junio C Hamano
04cd47f553 Merge branch 'jk/command-line-config-empty-string' into maint
* jk/command-line-config-empty-string:
  config: teach "git -c" to recognize an empty string

Conflicts:
	config.c
2014-09-19 14:05:10 -07:00
Junio C Hamano
5d62e59e4c Merge branch 'jk/fsck-exit-code-fix'
"git fsck" failed to report that it found corrupt objects via its
exit status in some cases.

* jk/fsck-exit-code-fix:
  fsck: return non-zero status on missing ref tips
  fsck: exit with non-zero status upon error from fsck_obj()
2014-09-19 11:38:42 -07:00
Junio C Hamano
19f8c8b2da Merge branch 'js/no-test-cmp-for-binaries'
* js/no-test-cmp-for-binaries:
  t9300: use test_cmp_bin instead of test_cmp to compare binary files
2014-09-19 11:38:40 -07:00
Junio C Hamano
4daf5c8643 Merge branch 'ta/config-add-to-empty-or-true-fix'
"git config --add section.var val" used to lose existing
section.var whose value was an empty string.

* ta/config-add-to-empty-or-true-fix:
  config: avoid a funny sentinel value "a^"
  make config --add behave correctly for empty and NULL values
2014-09-19 11:38:40 -07:00
Junio C Hamano
5dbdb3bed6 Merge branch 'jc/parseopt-verify-short-name'
Add checks for a common programming mistake to assign the same
short option name to two separate options to help developers.

* jc/parseopt-verify-short-name:
  parse-options: detect attempt to add a duplicate short option name
2014-09-19 11:38:38 -07:00
Junio C Hamano
49cbc11ddb Merge branch 'mk/reachable-protect-detached-head'
* mk/reachable-protect-detached-head:
  reachable.c: add HEAD to reachability starting commits
2014-09-19 11:38:38 -07:00
Junio C Hamano
70f003e107 Merge branch 'tb/crlf-tests'
* tb/crlf-tests:
  MinGW: update tests to handle a native eol of crlf
  Makefile: propagate NATIVE_CRLF to C
  t0027: Tests for core.eol=native, eol=lf, eol=crlf
2014-09-19 11:38:37 -07:00
Junio C Hamano
73da5a1e85 Merge branch 'mb/fast-import-delete-root'
An attempt to remove the entire tree in the "git fast-import" input
stream caused it to misbehave.

* mb/fast-import-delete-root:
  fast-import: fix segfault in store_tree()
  t9300: test filedelete command
2014-09-19 11:38:34 -07:00
Junio C Hamano
ceeacc501b Merge branch 'bb/date-iso-strict'
"log --date=iso" uses a slight variant of ISO 8601 format that is
made more human readable.  A new "--date=iso-strict" option gives
datetime output that is more strictly conformant.

* bb/date-iso-strict:
  pretty: provide a strict ISO 8601 date format
2014-09-19 11:38:32 -07:00
Junio C Hamano
b1de6b21f3 Merge branch 'jk/fast-export-anonymize'
Sometimes users want to report a bug they experience on their
repository, but they are not at liberty to share the contents of
the repository.  "fast-export" was taught an "--anonymize" option
to replace blob contents, names of people and paths and log
messages with bland and simple strings to help them.

* jk/fast-export-anonymize:
  docs/fast-export: explain --anonymize more completely
  teach fast-export an --anonymize option
2014-09-19 11:38:31 -07:00
Junio C Hamano
d9dd4cebec Merge branch 'jk/send-pack-many-refspecs'
The number of refs that can be pushed at once over smart HTTP was
limited by the command line length.  The limitation has been lifted
by passing these refs from the standard input of send-pack.

* jk/send-pack-many-refspecs:
  send-pack: take refspecs over stdin
2014-09-19 11:38:31 -07:00
David Aguilar
c41a87dd80 refs: make rev-parse --quiet actually quiet
When a reflog is deleted, e.g. when "git stash" clears its stashes,
"git rev-parse --verify --quiet" dies:

	fatal: Log for refs/stash is empty.

The reason is that the get_sha1() code path does not allow us
to suppress this message.

Pass the flags bitfield through get_sha1_with_context() so that
read_ref_at() can suppress the message.

Use get_sha1_with_context1() instead of get_sha1() in rev-parse
so that the --quiet flag is honored.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-19 10:46:15 -07:00
Harry Jeffery
9271095cc5 pretty: add %D format specifier
Add a new format specifier, '%D' that is identical in behaviour to '%d',
except that it does not include the ' (' prefix or ')' suffix provided
by '%d'.

Signed-off-by: Harry Jeffery <harry@exec64.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-18 15:15:21 -07:00
Patrick Reynolds
7559a1be8a unblock and unignore SIGPIPE
Blocked and ignored signals -- but not caught signals -- are inherited
across exec.  Some callers with sloppy signal-handling behavior can call
git with SIGPIPE blocked or ignored, even non-deterministically.  When
SIGPIPE is blocked or ignored, several git commands can run indefinitely,
ignoring EPIPE returns from write() calls, even when the process that
called them has gone away.  Our specific case involved a pipe of git
diff-tree output to a script that reads a limited amount of diff data.

In an ideal world, git would never be called with SIGPIPE blocked or
ignored.  But in the real world, several real potential callers, including
Perl, Apache, and Unicorn, sometimes spawn subprocesses with SIGPIPE
ignored.  It is easier and more productive to harden git against this
mistake than to clean it up in every potential parent process.

Signed-off-by: Patrick Reynolds <patrick.reynolds@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-18 10:38:49 -07:00
Jeff King
8376a70441 branch: clean up commit flags after merge-filter walk
When we run `branch --merged`, we use prepare_revision_walk
with the merge-filter marked as UNINTERESTING. Any branch
tips that are marked UNINTERESTING after it returns must be
ancestors of that commit. As we iterate through the list of
refs to show, we check item->commit->object.flags to see
whether it was marked.

This interacts badly with --verbose, which will do a
separate walk to find the ahead/behind information for each
branch. There are two bad things that can happen:

  1. The ahead/behind walk may get the wrong results,
     because it can see a bogus UNINTERESTING flag leftover
     from the merge-filter walk.

  2. We may omit some branches if their tips are involved in
     the ahead/behind traversal of a branch shown earlier.
     The ahead/behind walk carefully cleans up its commit
     flags, meaning it may also erase the UNINTERESTING
     flag that we expect to check later.

We can solve this by moving the merge-filter state for each
ref into its "struct ref_item" as soon as we finish the
merge-filter walk. That fixes (2). Then we are free to clear
the commit flags we used in the walk, fixing (1).

Note that we actually do away with the matches_merge_filter
helper entirely here, and inline it between the revision
walk and the flag-clearing. This ensures that nobody
accidentally calls it at the wrong time (it is only safe to
check in that instant between the setting and clearing of
the global flag).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-18 09:21:16 -07:00
Junio C Hamano
5732373daa signed push: allow stale nonce in stateless mode
When operating with the stateless RPC mode, we will receive a nonce
issued by another instance of us that advertised our capability and
refs some time ago.  Update the logic to check received nonce to
detect this case, compute how much time has passed since the nonce
was issued and report the status with a new environment variable
GIT_PUSH_CERT_NONCE_SLOP to the hooks.

GIT_PUSH_CERT_NONCE_STATUS will report "SLOP" in such a case.  The
hooks are free to decide how large a slop it is willing to accept.

Strictly speaking, the "nonce" is not really a "nonce" anymore in
the stateless RPC mode, as it will happily take any "nonce" issued
by it (which is protected by HMAC and its secret key) as long as it
is fresh enough.  The degree of this security degradation, relative
to the native protocol, is about the same as the "we make sure that
the 'git push' decided to update our refs with new objects based on
the freshest observation of our refs by making sure the values they
claim the original value of the refs they ask us to update exactly
match the current state" security is loosened to accomodate the
stateless RPC mode in the existing code without this series, so
there is no need for those who are already using smart HTTP to push
to their repositories to be alarmed any more than they already are.

In addition, the server operator can set receive.certnonceslop
configuration variable to specify how stale a nonce can be (in
seconds).  When this variable is set, and if the nonce received in
the certificate that passes the HMAC check was less than that many
seconds old, hooks are given "OK" in GIT_PUSH_CERT_NONCE_STATUS
(instead of "SLOP") and the received nonce value is given in
GIT_PUSH_CERT_NONCE, which makes it easier for a simple-minded
hook to check if the certificate we received is recent enough.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-17 15:19:54 -07:00