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35882 commits

Author SHA1 Message Date
Astril Hayato 8f86339858 gitk: Comply with XDG base directory specification
Write the gitk config data to $XDG_CONFIG_HOME/git/gitk ($HOME/.config/git/gitk
by default) in line with the XDG specification. This makes it consistent with
git which also follows the spec.

If $HOME/.gitk already exists use that for backward compatibility, so only new
installations are affected.

Signed-off-by: Astril Hayato <astrilhayato@gmail.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2014-01-22 22:05:32 +11:00
Pete Wyckoff a8d8e382a9 git p4 test: ensure p4 symlink parsing works
While this happens to work, there was no test to make sure
that the basic importing of a symlink from p4 to git functioned.

Add a simple test to create a symlink in p4 and import it into git,
then verify that the symlink exists and has the correct target.

Signed-off-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 15:50:27 -08:00
Pete Wyckoff 16168986eb git p4 test: wildcards are supported
Since 9d57c4a (git p4: implement view spec wildcards with "p4
where", 2013-08-30), all the wildcard types should be supported.
Change must-fail tests to mark that they now pass.

Signed-off-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 15:50:27 -08:00
Jeff King 200abe7458 list-objects: only look at cmdline trees with edge_hint
When rev-list is given a command-line like:

  git rev-list --objects $commit --not --all

the most accurate answer is the difference between the set
of objects reachable from $commit and the set reachable from
all of the existing refs. However, we have not historically
provided that answer, because it is very expensive to
calculate. We would have to open every tree of every commit
in the entire history.

Instead, we find the accurate set difference of the
reachable commits, and then mark the trees at the boundaries
as uninteresting. This misses objects which appear in the
trees of both the interesting commits and deep within the
uninteresting history.

Commit fbd4a70 (list-objects: mark more commits as edges in
mark_edges_uninteresting, 2013-08-16) noticed that we miss
those objects during pack-objects, and added code to examine
the trees of all of the "--not" refs given on the
command-line.  Note that this is still not the complete set
difference, because we look only at the tips of the
command-line arguments, not all of their reachable commits.
But it increases the set of boundary objects we consider,
which is especially important for shallow fetches.  So we
are trading extra CPU time for a larger set of boundary
objects, which can improve the resulting pack size for a
--thin pack.

This tradeoff probably makes sense in the context of
pack-objects, where we have set revs->edge_hint to have the
traversal feed us the set of boundary objects.  For a
regular rev-list, though, it is probably not a good
tradeoff. It is true that it makes our list slightly closer
to a true set difference, but it is a rare case where this
is important. And because we do not have revs->edge_hint
set, we do nothing useful with the larger set of boundary
objects.

This patch therefore ties the extra tree examination to the
revs->edge_hint flag; it is the presence of that flag that
makes the tradeoff worthwhile.

Here is output from the p0001-rev-list showing the
improvement in performance:

Test                                             HEAD^             HEAD
-----------------------------------------------------------------------------------------
0001.1: rev-list --all                           0.69(0.65+0.02)   0.69(0.66+0.02) +0.0%
0001.2: rev-list --all --objects                 3.22(3.19+0.03)   3.23(3.20+0.03) +0.3%
0001.4: rev-list $commit --not --all             0.04(0.04+0.00)   0.04(0.04+0.00) +0.0%
0001.5: rev-list --objects $commit --not --all   0.27(0.26+0.01)   0.04(0.04+0.00) -85.2%

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 14:46:24 -08:00
Jeff King ea97002fc9 t/perf: time rev-list with UNINTERESTING commits
We time a straight "rev-list --all" and its "--object"
counterpart, both going all the way to the root. However, we
do not time a partial history walk. This patch adds an
extreme case: a walk over a very small slice of history, but
with a very large set of UNINTERESTING tips. This is similar
to the connectivity check run by git on a small fetch, or
the walk done by any pre-receive hooks that want to check
incoming commits.

This test reveals a performance regression in git v1.8.4.2,
caused by fbd4a70 (list-objects: mark more commits as edges
in mark_edges_uninteresting, 2013-08-16):

Test                                             fbd4a703^         fbd4a703
------------------------------------------------------------------------------------------
0001.1: rev-list --all                           0.69(0.67+0.02)   0.69(0.68+0.01) +0.0%
0001.2: rev-list --all --objects                 3.47(3.44+0.02)   3.48(3.44+0.03) +0.3%
0001.4: rev-list $commit --not --all             0.04(0.04+0.00)   0.04(0.04+0.00) +0.0%
0001.5: rev-list --objects $commit --not --all   0.04(0.03+0.00)   0.27(0.24+0.02) +575.0%

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 14:46:17 -08:00
Thomas Rast 75d6e552a8 Documentation: @{-N} can refer to a commit
The @{-N} syntax always referred to the N-th last thing checked out,
which can be either a branch or a commit (for detached HEAD cases).
However, the documentation only mentioned branches.

Edit in a "/commit" in the appropriate places.

Reported-by: Kevin <ikke@ikke.info>
Signed-off-by: Thomas Rast <tr@thomasrast.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 13:50:00 -08:00
Michael Haggerty 08f555cb82 rename_tmp_log(): on SCLD_VANISHED, retry
If safe_create_leading_directories() fails because a file along the
path unexpectedly vanished, try again from the beginning.  Try at most
4 times.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 13:47:28 -08:00
Michael Haggerty f1e9e9a4db rename_tmp_log(): limit the number of remote_empty_directories() attempts
This doesn't seem to be a likely error, but we've got the counter
anyway, so we might as well use it for an added bit of safety.

Please note that the first call to rename() is optimistic, and it is
normal for it to fail if there is a directory in the way.  So bump the
total number of allowed attempts to 4, to be sure that we can still
have at least 3 retries in the case of a race.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 13:47:24 -08:00
Michael Haggerty ae4a283e3b rename_tmp_log(): handle a possible mkdir/rmdir race
If a directory vanishes while renaming the temporary reflog file,
retry (up to 3 times).  This could happen if another process deletes
the directory created by safe_create_leading_directories() just before
we rename the file into the directory.

As far as I can tell, this race could not occur internal to git.  The
only time that a directory under $GIT_DIR/logs is deleted is if room
has to be made for a log file for a reference with the same name;
for example, in the following sequence:

    git branch foo/bar    # Creates file .git/logs/refs/heads/foo/bar
    git branch -d foo/bar # Deletes file but leaves .git/logs/refs/heads/foo/
    git branch foo        # Deletes .git/logs/refs/heads/foo/

But the only reason the last command deletes the directory is because
it wants to create a file with the same name.  So if another process
(e.g.,

    git branch foo/baz

) wants to create that directory, one of the two is doomed to failure
anyway because of a D/F conflict.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 13:47:13 -08:00
Michael Haggerty fa59ae7971 rename_ref(): extract function rename_tmp_log()
It's about to become a bit more complex.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 13:46:59 -08:00
Michael Haggerty 863808cd1a remove_dir_recurse(): handle disappearing files and directories
If a file or directory that we are trying to remove disappears (e.g.,
because another process has pruned it), do not consider it an error.

However, if REMOVE_DIR_KEEP_TOPLEVEL is set, and the toplevel
directory is missing, then consider it an error (like before).

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 13:46:47 -08:00
Michael Haggerty ecb2c282c0 remove_dir_recurse(): tighten condition for removing unreadable dir
If opendir() fails on the top-level directory, it makes sense to try
to delete it anyway--but only if the failure was due to EACCES.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 13:46:32 -08:00
Michael Haggerty e5c223e98b lock_ref_sha1_basic(): if locking fails with ENOENT, retry
If hold_lock_file_for_update() fails with errno==ENOENT, it might be
because somebody else (for example, a pack-refs process) has just
deleted one of the lockfile's ancestor directories.  So if this
condition is detected, try again (up to 3 times).

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 13:46:30 -08:00
Michael Haggerty c4c61c763e lock_ref_sha1_basic(): on SCLD_VANISHED, retry
If safe_create_leading_directories() fails because a file along the
path unexpectedly vanished, try again (up to 3 times).

This can occur if another process is deleting directories at the same
time as we are trying to make them.  For example, "git pack-refs
--all" tries to delete the loose refs and any empty directories that
are left behind.  If a pack-refs process is running, then it might
delete a directory that we need to put a new loose reference in.

If safe_create_leading_directories() thinks this might have happened,
then take its advice and try again (maximum three attempts).

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 13:46:07 -08:00
Thomas Rast 0c1cddd015 Documentation/gitk: document -L option
The -L option is the same as for git-log, so the entire block is just
copied from git-log.txt.  However, until the parser is fixed we add a
caveat that gitk only understands the stuck form.

Signed-off-by: Thomas Rast <tr@thomasrast.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-21 13:41:30 -08:00
Junio C Hamano d9bb4be53b git-gui 0.19.0
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Merge tag 'gitgui-0.19.0' of http://repo.or.cz/r/git-gui

git-gui 0.19.0

* tag 'gitgui-0.19.0' of http://repo.or.cz/r/git-gui:
  git-gui 0.19
  git-gui: chmod +x po2msg, windows/git-gui.sh
  git-gui: fallback right pane to packed widgets with Tk 8.4
  git-gui i18n: Added Bulgarian translation
  git-gui l10n: Add 29 more terms to glossary
  git-gui i18n: Initial glossary in Bulgarian
2014-01-21 13:16:17 -08:00
Marc Branchaud 786f15c849 gitk: Replace "next" and "prev" buttons with down and up arrows
Users often find that "next" and "prev" do the opposite of what they
expect.  For example, "next" moves to the next match down the list, but
that is almost always backwards in time.  Replacing the text with arrows
makes it clear where the buttons will take the user.

Signed-off-by: Marc Branchaud <marcnarc@xiplink.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2014-01-21 22:18:23 +11:00
Jonathan Nieder c61f3a97b1 gitk: chmod +x po2msg.sh
The Makefile only runs it using tclsh, but because the fallback po2msg
script has the usual tcl preamble starting with #!/bin/sh it can also
be run directly.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2014-01-21 22:14:42 +11:00
Paul Mackerras 6c626a031a gitk: Update copyright dates
Signed-off-by: Paul Mackerras <paulus@samba.org>
2014-01-21 22:02:27 +11:00
Alexander Shopov 45f884c346 gitk: Add Bulgarian translation (304t)
Signed-off-by: Alexander Shopov <ash@kambanaria.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2014-01-21 22:00:29 +11:00
Max Kirillov 1f3c8726cd gitk: Fix mistype
Signed-off-by: Max Kirillov <max@max630.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2014-01-21 21:57:03 +11:00
Peter Krefting d74d01808a l10n: Update Swedish translation (2210t0f0u)
Signed-off-by: Peter Krefting <peter@softwolves.pp.se>
2014-01-21 09:26:56 +01:00
Pat Thoyts 1b2c79e63e git-gui 0.19
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
2014-01-18 17:29:34 +00:00
Jonathan Nieder c64a0ad385 git-gui: chmod +x po2msg, windows/git-gui.sh
The Makefile only runs po/po2msg.sh using tclsh, but because the
script has the usual tcl preamble starting with #!/bin/sh it can also
be run directly.

The Windows git-gui wrapper is usable in-place for the same reason.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
2014-01-18 17:06:41 +00:00
Max Kirillov 02f6cfbd16 git-gui: fallback right pane to packed widgets with Tk 8.4
Since 918dbf58, git-gui crashes if started with Tk 8.4. The reason is that
tk < 8.5 does not support -stretch option for panedwindow.

Without the option it's not possible to properly expand the right half -
the commit area is expanded, while desired behavior is to expand the diff
area. So the whole feature should be disabled with Tk
version less than 8.5.

Signed-off-by: Max Kirillov <max@max630.net>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
2014-01-18 16:51:15 +00:00
Alexander Shopov 1ea11f0e45 git-gui i18n: Added Bulgarian translation
Signed-off-by: Alexander Shopov <ash@kambanaria.org>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
2014-01-18 16:32:13 +00:00
Alexander Shopov 15a745305f git-gui l10n: Add 29 more terms to glossary
Signed-off-by: Alexander Shopov <ash@kambanaria.org>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
2014-01-18 16:32:09 +00:00
Alexander Shopov 99337ef22c git-gui i18n: Initial glossary in Bulgarian
Signed-off-by: Alexander Shopov <ash@kambanaria.org>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
2014-01-18 16:32:04 +00:00
Jiang Xin 812b5e1c11 Merge branch 'fr-po' of git://github.com/jnavila/git
* 'fr-po' of git://github.com/jnavila/git:
  [fr] update french translation 2210/2210
2014-01-18 22:49:27 +08:00
Jean-Noel Avila 561580eadd [fr] update french translation 2210/2210
Signed-off-by: Jean-Noel Avila <jn.avila@free.fr>
2014-01-18 14:44:13 +01:00
Tran Ngoc Quan 5832c3f2f4 l10n: vi.po (2210t): Updated git-core translation
* Updated new strings
 * Fix typos and review
 * Change meaning of stage

Signed-off-by: Tran Ngoc Quan <vnwildman@gmail.com>
2014-01-18 09:07:40 +07:00
Jiang Xin df49095ac2 l10n: git.pot: v1.9 round 1 (27 new, 11 removed)
Generate po/git.pot from v1.9-rc0 for git v1.9 l10n round 1.

Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
2014-01-18 07:45:37 +08:00
Junio C Hamano 79fcbf7e70 Git 1.9-rc0
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-17 12:30:14 -08:00
Junio C Hamano d98c916e8f Merge branch 'maint'
* maint:
  git-svn: workaround for a bug in svn serf backend
2014-01-17 12:21:39 -08:00
Junio C Hamano 1aeb10a14d Merge branch 'fp/submodule-checkout-mode'
"submodule.*.update=checkout", when propagated from .gitmodules to
.git/config, turned into a "submodule.*.update=none", which did not
make much sense.

* fp/submodule-checkout-mode:
  git-submodule.sh: 'checkout' is a valid update mode
2014-01-17 12:21:20 -08:00
Junio C Hamano 92251b1b5b Merge branch 'nd/shallow-clone'
Fetching from a shallow-cloned repository used to be forbidden,
primarily because the codepaths involved were not carefully vetted
and we did not bother supporting such usage. This attempts to allow
object transfer out of a shallow-cloned repository in a controlled
way (i.e. the receiver become a shallow repository with truncated
history).

* nd/shallow-clone: (31 commits)
  t5537: fix incorrect expectation in test case 10
  shallow: remove unused code
  send-pack.c: mark a file-local function static
  git-clone.txt: remove shallow clone limitations
  prune: clean .git/shallow after pruning objects
  clone: use git protocol for cloning shallow repo locally
  send-pack: support pushing from a shallow clone via http
  receive-pack: support pushing to a shallow clone via http
  smart-http: support shallow fetch/clone
  remote-curl: pass ref SHA-1 to fetch-pack as well
  send-pack: support pushing to a shallow clone
  receive-pack: allow pushes that update .git/shallow
  connected.c: add new variant that runs with --shallow-file
  add GIT_SHALLOW_FILE to propagate --shallow-file to subprocesses
  receive/send-pack: support pushing from a shallow clone
  receive-pack: reorder some code in unpack()
  fetch: add --update-shallow to accept refs that update .git/shallow
  upload-pack: make sure deepening preserves shallow roots
  fetch: support fetching from a shallow repository
  clone: support remote shallow repository
  ...
2014-01-17 12:21:20 -08:00
Erik Faye-Lund c9df6f4574 mingw: remove mingw_write
Since 0b6806b9 ("xread, xwrite: limit size of IO to 8MB"), this
wrapper is no longer needed, as read and write are already split
into small chunks.

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-17 12:09:52 -08:00
Erik Faye-Lund 7edc02f4de prefer xwrite instead of write
Our xwrite wrapper already deals with a few potential hazards, and
are as such more robust. Prefer it instead of write to get the
robustness benefits everywhere.

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Reviewed-and-improved-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-17 12:09:26 -08:00
Junio C Hamano d8cf714c0e Merge branch 'jk/pull-rebase-using-fork-point'
Finishing touches so that an expected error message will not leak to
the UI.

* jk/pull-rebase-using-fork-point:
  pull: suppress error when no remoteref is found
2014-01-17 12:04:29 -08:00
John Keeping ffc2b483de pull: suppress error when no remoteref is found
Commit 48059e4 (pull: use merge-base --fork-point when appropriate,
2013-12-08) incorrectly assumes that get_remote_merge_branch will either
yield a non-empty string or return an error, but there are circumstances
where it will yield an empty string.

The previous code then invoked git-rev-list with no arguments, which
results in an error suppressed by redirecting stderr to /dev/null.  Now
we invoke git-merge-base with an empty branch name, which also results
in an error.  Suppress this in the same way.

Signed-off-by: John Keeping <john@keeping.me.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-17 12:03:32 -08:00
Roman Kagan ac930287ff git-svn: workaround for a bug in svn serf backend
Subversion serf backend in versions 1.8.5 and below has a bug(*) that the
function creating the descriptor of a file change -- add_file() --
doesn't make a copy of its third argument when storing it on the
returned descriptor.  As a result, by the time this field is used (in
transactions of file copying or renaming) it may well be released, and
the memory reused.

One of its possible manifestations is the svn assertion triggering on an
invalid path, with a message

svn_fspath__skip_ancestor: Assertion
`svn_fspath__is_canonical(child_fspath)' failed.

This patch works around this bug, by storing the value to be passed as
the third argument to add_file() in a local variable with the same scope
as the file change descriptor, making sure their lifetime is the same.

* [ew: fixed in Subversion r1553376 as noted by Jonathan Nieder]

Cc: Benjamin Pabst <benjamin.pabst85@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Roman Kagan <rkagan@mail.ru>
2014-01-17 11:24:30 -08:00
Jeff King cbfe47b67f diff_filespec: use only 2 bits for is_binary flag
The is_binary flag needs only three values: -1, 0, and 1.
However, we use a whole 32-bit int for it on most systems
(both 32- and 64- bit).

Instead, we can mark it to use only 2 bits. On 32-bit
systems, this lets it end up as part of the bitfield above
(saving 4 bytes). On 64-bit systems, we don't see any change
(because the savings end up as padding), but it does leave
room for another "free" 32-bit value to be added later.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-17 10:50:14 -08:00
Jeff King b38f70a82b diff_filespec: reorder is_binary field
The middle of the diff_filespec struct contains a mixture of
ints, shorts, and bit-fields, followed by a pointer. On an
x86-64 system with an LP64 or LLP64 data model (i.e., most
of them), the integers and flags end up being padded out by
41 bits to put the pointer at an 8-byte boundary.

After the pointer, we have the "int is_binary" field, which
is only 32 bits. We end up wasting another 32 bits to pad
the struct size up to a multiple of 64 bits.

We can move the is_binary field before the pointer, which
lets the compiler store it where we used to have padding.
This shrinks the top padding to only 9 bits (from the
bit-fields), and eliminates the bottom padding entirely,
dropping the struct size from 88 to 80 bytes.

On a 32-bit system, there is no benefit, but nor should
there be any harm (we only need 4-byte alignment there, so
we were already using only 9 bits of padding).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-17 10:50:13 -08:00
Jeff King 428d52a5a5 diff_filespec: drop xfrm_flags field
The only mention of this field in the code is by some
debugging code which prints it out (and it will always be
zero, since we never touch it otherwise). It was obsoleted
very early on by 25d5ea4 ([PATCH] Redo rename/copy detection
logic., 2005-05-24).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-17 10:50:11 -08:00
Jeff King 5b711b207f diff_filespec: drop funcname_pattern_ident field
This struct field was obsoleted by be58e70 (diff: unify
external diff and funcname parsing code, 2008-10-05), but we
forgot to remove it.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-17 10:50:10 -08:00
Jeff King b837f5d68d diff_filespec: reorder dirty_submodule macro definitions
diff_filespec has a 2-bit "dirty_submodule" field and
defines two flags as macros. Originally these were right
next to each other, but a new field was accidentally added
in between in commit 4682d85. This patch puts the field and
its flags back together.

Using an enum like:

  enum {
	  DIRTY_SUBMODULE_UNTRACKED = 1,
	  DIRTY_SUBMODULE_MODIFIED = 2
  } dirty_submodule;

would be more obvious, but it bloats the structure. Limiting
the enum size like:

  } dirty_submodule : 2;

might work, but it is not portable.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-17 10:50:03 -08:00
Jonathan Nieder 2ce66e2a0a gitignore doc: add global gitignore to synopsis
The gitignore(5) manpage already documents $XDG_CONFIG_HOME/git/ignore
but it is easy to forget that it exists.  Add a reminder to the
synopsis.

Noticed while looking for a place to put a list of scratch filenames
in the cwd used by one's editor of choice.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-16 15:23:56 -08:00
Ruben Kerkhof 01645b7493 send-email: /etc/ssl/certs/ directory may not be usable as ca_path
When sending patches on Fedora rawhide with
git-1.8.5.2-1.fc21.x86_64 and perl-IO-Socket-SSL-1.962-1.fc21.noarch,
with the following

    [sendemail]
	    smtpencryption = tls
	    smtpserver = smtp.gmail.com
	    smtpuser = ruben@rubenkerkhof.com
	    smtpserverport = 587

git-send-email fails with:

    STARTTLS failed! SSL connect attempt failed with unknown error
    error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate
    verify failed at /usr/libexec/git-core/git-send-email line 1236.

The current code detects the presence of /etc/ssl/certs directory
(it actually is a symlink to another directory, but that does not
matter) and uses SSL_ca_path to point at it when initializing the
connection with IO::Socket::SSL or Net::SMTP::SSL.  However, on the
said platform, it seems that this directory is not designed to be
used as SSL_ca_path.  Using a single file inside that directory
(cert.pem, which is a Mozilla CA bundle) with SSL_ca_file does work,
and also not specifying any SSL_ca_file/SSL_ca_path (and letting the
library use its own default) and asking for peer verification does
work.

By removing the code that blindly defaults $smtp_ssl_cert_path to
"/etc/ssl/certs", we can prevent the codepath that treats any
directory specified with that variable as usable for SSL_ca_path
from incorrectly triggering.

This change could introduce a regression for people on a platform
whose certificate directory is /etc/ssl/certs but its IO::Socket:SSL
somehow fails to use it as SSL_ca_path without being told.  Using
/etc/ssl/certs directory as SSL_ca_path by default like the current
code does would have been hiding such a broken installation without
its user needing to do anything.  These users can still work around
such a platform bug by setting the configuration variable explicitly
to point at /etc/ssl/certs.

This change should not negate what 35035bbf (send-email: be explicit
with SSL certificate verification, 2013-07-18), which was the
original change that introduced the defaulting to /etc/ssl/certs/,
attempted to do, which is to make sure we do not communicate over
insecure connection by default, triggering warning from the library.

Cf. https://bugzilla.redhat.com/show_bug.cgi?id=1043194

Tested-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
Signed-off-by: Ruben Kerkhof <ruben@rubenkerkhof.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-16 14:34:51 -08:00
Junio C Hamano a74352867e revision: propagate flag bits from tags to pointees
With the previous fix 895c5ba3 (revision: do not peel tags used in
range notation, 2013-09-19), handle_revision_arg() that processes
command line arguments for the "git log" family of commands no
longer directly places the object pointed by the tag in the pending
object array when it sees a tag object.  We used to place pointee
there after copying the flag bits like UNINTERESTING and
SYMMETRIC_LEFT.

This change meant that any flag that is relevant to later history
traversal must now be propagated to the pointed objects (most often
these are commits) while starting the traversal, which is partly
done by handle_commit() that is called from prepare_revision_walk().
We did propagate UNINTERESTING, but did not do so for others, most
notably SYMMETRIC_LEFT.  This caused "git log --left-right v1.0..."
(where "v1.0" is a tag) to start losing the "leftness" from the
commit the tag points at.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-15 15:53:51 -08:00
Junio C Hamano 2ac5e4470b revision: mark contents of an uninteresting tree uninteresting
"git rev-list --objects ^A^{tree} B^{tree}" ought to mean "I want a
list of objects inside B's tree, but please exclude the objects that
appear inside A's tree".

we see the top-level tree marked as uninteresting (i.e. ^A^{tree} in
the above example) and call mark_tree_uninteresting() on it; this
unfortunately prevents us from recursing into the tree and marking
the objects in the tree as uninteresting.

The reason why "git log ^A A" yields an empty set of commits,
i.e. we do not have a similar issue for commits, is because we call
mark_parents_uninteresting() after seeing an uninteresting commit.
The uninteresting-ness of the commit itself does not prevent its
parents from being marked as uninteresting.

Introduce mark_tree_contents_uninteresting() and structure the code
in handle_commit() in such a way that it makes it the responsibility
of the callchain leading to this function to mark commits, trees and
blobs as uninteresting, and also make it the responsibility of the
helpers called from this function to mark objects that are reachable
from them.

Note that this is a very old bug that probably dates back to the day
when "rev-list --objects" was introduced.  The line to clear
tree->object.parsed at the end of mark_tree_contents_uninteresting()
can be removed when this fix is merged to the codebase after
6e454b9a (clear parsed flag when we free tree buffers, 2013-06-05).

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-15 15:48:58 -08:00