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Author SHA1 Message Date
Tanay Abhra
b35b10d463 builtin/apply.c: replace git_config() with git_config_get_string_const()
Use `git_config_get_string_const()` instead of `git_config()` to take
advantage of the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-13 12:37:47 -07:00
Tanay Abhra
0e7bcb1b00 merge-recursive.c: replace git_config() with git_config_get_int()
Use `git_config_get_int()` instead of `git_config()` to take advantage
of the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-13 12:37:41 -07:00
Tanay Abhra
6ea358f784 ll-merge.c: refactor read_merge_config() to use git_config_string()
There is one slight behavior change, previously "merge.default"
silently ignored a NULL value and didn't raise any error. But,
in the same function, all other values raise an error on a NULL
value. So to conform with other call sites in Git, a NULL value
for "merge.default" raises an error.

The the new config-set API is not very useful here, because much of
the function is dedicated to processing "merge.<name>.variable",
which the new API does not handle well.  If it were for variables
like, "merge.summary", "merge.tool", and "merge.verbosity", we could
use the new API.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-13 12:36:21 -07:00
Tanay Abhra
536900e5b2 fast-import.c: replace git_config() with git_config_get_*() family
Use `git_config_get_*()` family instead of `git_config()` to take
advantage of the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-13 12:36:02 -07:00
Jonathan Nieder
6c1db1b388 unpack-trees: use 'cuddled' style for if-else cascade
Match the predominant style in git by following K&R style for if/else
cascades.  Documentation/CodingStyle from linux.git explains:

  Note that the closing brace is empty on a line of its own, _except_ in
  the cases where it is followed by a continuation of the same statement,
  ie a "while" in a do-statement or an "else" in an if-statement, like
  this:

	if (x == y) {
		..
	} else if (x > y) {
		...
	} else {
		....
	}

  Rationale: K&R.

  Also, note that this brace-placement also minimizes the number of empty
  (or almost empty) lines, without any loss of readability.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-13 10:32:12 -07:00
Stefan Beller
0ecd180a27 unpack-trees: simplify 'all other failures' case
In the 'if (current)' block of twoway_merge, we handle the boring
errors by checking if the entry from the old tree, current index, and
new tree are present, to get a pathname for the error message from one
of them:

	if (oldtree)
		return o->gently ? -1 : reject_merge(oldtree, o);
	if (current)
		return o->gently ? -1 : reject_merge(current, o);
	if (newtree)
		return o->gently ? -1 : reject_merge(newtree, o);
	return -1;

Since this is guarded by 'if (current)', the second test is guaranteed
to succeed.  Moreover, any of the three entries, if present, would
have the same path because there is no rename detection in this code
path.   Even if some day in the future the entries' paths differ, the
'current' path used in the index and worktree would presumably be the
most recognizable for the end user.

Simplify by just using 'current'.

Noticed by coverity, Id:290002

Signed-off-by: Stefan Beller <stefanbeller@gmail.com>
Improved-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-13 10:32:08 -07:00
Stefan Beller
13b081257a mailsplit.c: remove dead code
This was found by coverity. (Id: 290001)

The variable 'output' is assigned to a value
after all gotos to the corrupt label.

Remove the goto by moving the errorhandling code to the
condition, which detects the error.

Signed-off-by: Stefan Beller <stefanbeller@gmail.com>
Helped-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-13 09:50:58 -07:00
Sergey Organov
2d26d533a0 Documentation/git-rebase.txt: -f forces a rebase that would otherwise be a no-op
"Current branch is a descendant of the commit you are rebasing onto"
does not necessarily mean "rebase" requires "--force".  For a plain
vanilla "history flattening" rebase, the rebase can be done without
forcing if there is a merge between the tip of the branch being
rebased and the commit you are rebasing onto, even if the tip is
descendant of the other.

[jc: reworded both the text and the log description]

Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-12 13:37:45 -07:00
Jeff King
f7f91086a3 pack-objects: turn off bitmaps when we see --shallow lines
Reachability bitmaps do not work with shallow operations,
because they cache a view of the object reachability that
represents the true objects. Whereas a shallow repository
(or a shallow operation in a repository) is inherently
cutting off the object graph with a graft.

We explicitly disallow the use of bitmaps in shallow
repositories by checking is_repository_shallow(), and we
should continue to do that. However, we also want to
disallow bitmaps when we are serving a fetch to a shallow
client, since we momentarily take on their grafted view of
the world.

It used to be enough to call is_repository_shallow at the
start of pack-objects.  Upload-pack wrote the other side's
shallow state to a temporary file and pointed the whole
pack-objects process at this state with "git --shallow-file",
and from the perspective of pack-objects, we really were
in a shallow repo.  But since b790e0f (upload-pack: send
shallow info over stdin to pack-objects, 2014-03-11), we do
it differently: we send --shallow lines to pack-objects over
stdin, and it registers them itself.

This means that our is_repository_shallow check is way too
early (we have not been told about the shallowness yet), and
that it is insufficient (calling is_repository_shallow is
not enough, as the shallow grafts we register do not change
its return value). Instead, we can just turn off bitmaps
explicitly when we see these lines.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-12 12:17:19 -07:00
Stefan Beller
201087422d builtin/blame.c: add translation to warning about failed revision walk
Signed-off-by: Stefan Beller <stefanbeller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-12 11:01:44 -07:00
Stefan Beller
81c3ce3cdc prepare_revision_walk(): check for return value in all places
Even the documentation tells us:

	You should check if it returns any error (non-zero return
	code) and if it does not, you can start using get_revision()
	to do the iteration.

In preparation for this commit, I grepped all occurrences of
prepare_revision_walk and added error messages, when there were none.

Signed-off-by: Stefan Beller <stefanbeller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-12 11:00:33 -07:00
Nguyễn Thái Ngọc Duy
430875969a utf8.c: fix strbuf_utf8_replace() consuming data beyond input string
The main loop in strbuf_utf8_replace() could summed up as:

  while ('src' is still valid) {
    1) advance 'src' to copy ANSI escape sequences
    2) advance 'src' to copy/replace visible characters
  }

The problem is after #1, 'src' may have reached the end of the string
(so 'src' points to NUL) and #2 will continue to copy that NUL as if
it's a normal character. Because the output is stored in a strbuf,
this NUL accounted in the 'len' field as well. Check after #1 and
break the loop if necessary.

The test does not look obvious, but the combination of %>>() should
make a call trace like this

  show_log()
  pretty_print_commit()
  format_commit_message()
  strbuf_expand()
  format_commit_item()
  format_and_pad_commit()
  strbuf_utf8_replace()

where %C(auto)%d would insert a color reset escape sequence in the end
of the string given to strbuf_utf8_replace() and show_log() uses
fwrite() to send everything to stdout (including the incorrect NUL
inserted by strbuf_utf8_replace)

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-11 11:52:22 -07:00
Nguyễn Thái Ngọc Duy
ad1a19d0e7 mv: flatten error handling code block
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-11 10:48:07 -07:00
Nguyễn Thái Ngọc Duy
eac0ccc2cd mv: mark strings for translations
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-11 10:48:06 -07:00
Stefan Beller
50b6773287 clone.c: don't leak memory in cmd_clone
Free the refspec.
Found by scan.coverity.com (Id: 1127806)

Signed-off-by: Stefan Beller <stefanbeller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-10 16:41:14 -07:00
Stefan Beller
2f50babef1 remote.c: don't leak the base branch name in format_tracking_info
Found by scan.coverity.com (Id: 1127809)

Signed-off-by: Stefan Beller <stefanbeller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-10 16:40:54 -07:00
René Scharfe
ccad42d483 read-cache: check for leading symlinks when refreshing index
Don't add paths with leading symlinks to the index while refreshing; we
only track those symlinks themselves.  We already ignore them while
preloading (see read_index_preload.c).

Reported-by: Nikolay Avdeev <avdeev@math.vsu.ru>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-10 11:16:20 -07:00
Junio C Hamano
67de23ddb1 Merge branch 'master' of git://ozlabs.org/~paulus/gitk
* 'master' of git://ozlabs.org/~paulus/gitk:
  gitk: Updated Bulgarian translation (302t,0f,0u)
  gitk: Add keybinding to switch to parent commit
2014-08-10 11:03:03 -07:00
Junio C Hamano
f82887f290 Git 2.1-rc2
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-08 13:52:16 -07:00
Linus Arver
64de2e10a0 Documentation: git-init: flesh out example
Add a third step `git commit` after adding files for the first time.

Signed-off-by: Linus Arver <linusarver@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-08 13:17:42 -07:00
Linus Arver
8994fbf3ec Documentation: git-init: template directory: reword and cross-reference
Signed-off-by: Linus Arver <linusarver@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-08 13:17:42 -07:00
Linus Arver
4dde849a20 Documentation: git-init: reword parenthetical statements
Signed-off-by: Linus Arver <linusarver@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-08 13:17:41 -07:00
Linus Arver
c165d1f5ca Documentation: git-init: --separate-git-dir: clarify
Use shorter sentences to describe what actually happens. We describe
what the term "Git symbolic link" actually means.

Also, we separate out the description of the behavioral change upon
reinitialization into its own paragraph.

Signed-off-by: Linus Arver <linusarver@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-08 13:17:41 -07:00
Linus Arver
86d387af37 Documentation: git-init: template directory: reword
Signed-off-by: Linus Arver <linusarver@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-08 13:17:41 -07:00
Linus Arver
ddeab3aea3 Documentation: git-init: list items facelift
No textual change.

Signed-off-by: Linus Arver <linusarver@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-08 13:17:40 -07:00
Linus Arver
6e1ccacbed Documentation: git-init: typographical fixes
Use backticks when we quote something that the user should literally
use.

Signed-off-by: Linus Arver <linusarver@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-08 13:17:40 -07:00
Alexander Shopov
09898e7c3b gitk: Updated Bulgarian translation (302t,0f,0u)
Signed-off-by: Alexander Shopov <ash@kambanaria.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2014-08-08 16:39:30 +10:00
Max Kirillov
d4ec30b24a gitk: Add keybinding to switch to parent commit
Signed-off-by: Max Kirillov <max@max630.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2014-08-08 16:39:02 +10:00
Lukas Fleischer
2c8544ab91 bundle: fix exclusion of annotated tags
In commit c9a42c4 (bundle: allow rev-list options to exclude annotated
tags, 2009-01-02), support for excluding annotated tags outside the
specified date range was added. However, the wrong order of parameters
was chosen when calling memchr().

Fix this by swapping the character to search for with the maximum length
parameter.  Also cover this behavior with an additional test.

Signed-off-by: Lukas Fleischer <git@cryptocrack.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 15:35:25 -07:00
Jeff King
288c67caf6 stash: default listing to working-tree diff
When you list stashes, you can provide arbitrary git-log
options to change the display. However, adding just "-p"
does nothing, because each stash is actually a merge commit.

This implementation detail is easy to forget, leading to
confused users who think "-p" is not working. We can make
this easier by defaulting to "--first-parent -m", which will
show the diff against the working tree. This omits the
index portion of the stash entirely, but it's simple and it
matches what "git stash show" provides.

People who are more clueful about stash's true form can use
"--cc" to override the "-m", and the "--first-parent" will
then do nothing. For diffs, it only affects non-combined
diffs, so "--cc" overrides it. And for the traversal, we are
walking the linear reflog anyway, so we do not even care
about the parents.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 14:37:28 -07:00
Tanay Abhra
540b0f4977 branch.c: replace git_config() with `git_config_get_string()
Use `git_config_get_string()` instead of `git_config()` to take advantage of
the config-set API which provides a cleaner control flow. While we are at
it, return -1 if we find no value for the queried variable. Original code
returned 0 for all cases, which was checked by `add_branch_desc()` in
fmt-merge-msg.c resulting in addition of a spurious newline to the `out`
strbuf. Now, the newline addition is skipped as -1 is returned to the caller
if no value is found.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 13:33:29 -07:00
Tanay Abhra
111791559e alias.c: replace git_config() with git_config_get_string()
Use `git_config_get_string()` instead of `git_config()` to take advantage of
the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 13:33:29 -07:00
Tanay Abhra
ef7e1d0cda imap-send.c: replace git_config() with git_config_get_*() family
Use `git_config_get_*()` family instead of `git_config()` to take advantage of
the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 13:33:28 -07:00
Tanay Abhra
586f414a89 pager.c: replace git_config() with git_config_get_value()
Use `git_config_get_value()` instead of `git_config()` to take advantage of
the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 13:33:28 -07:00
Tanay Abhra
5801d3b416 builtin/gc.c: replace git_config() with git_config_get_*() family
Use `git_config_get_*()` family instead of `git_config()` to take advantage of
the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 13:33:28 -07:00
Tanay Abhra
633e5ad326 rerere.c: replace git_config() with git_config_get_*() family
Use `git_config_get_*()` family instead of `git_config()` to take advantage of
the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 13:33:27 -07:00
Tanay Abhra
f44af51d13 fetchpack.c: replace git_config() with git_config_get_*() family
Use `git_config_get_*()` family instead of `git_config()` to take advantage of
the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 13:33:27 -07:00
Tanay Abhra
95790ff60d archive.c: replace git_config() with git_config_get_bool() family
Use `git_config_get_bool()` family instead of `git_config()` to take advantage of
the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 13:33:27 -07:00
Tanay Abhra
b27a572099 read-cache.c: replace git_config() with git_config_get_*() family
Use `git_config_get_*()` family instead of `git_config()` to take
advantage of the config-set API which provides a cleaner control flow.

Use an intermediate value, as `version` can not be used directly in
git_config_get_int() due to incompatible type.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 13:33:26 -07:00
Tanay Abhra
6881f0ccb4 http-backend.c: replace git_config() with git_config_get_bool() family
Use `git_config_get_bool()` family instead of `git_config()` to take advantage of
the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 13:33:26 -07:00
Tanay Abhra
8939d32d81 daemon.c: replace git_config() with git_config_get_bool() family
Use `git_config_get_bool()` family instead of `git_config()` to take advantage of
the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 13:33:25 -07:00
Matthieu Moy
94204bf505 builtin/log.c: fix minor memory leak
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 12:29:09 -07:00
Junio C Hamano
477a08af04 apply: omit ws check for excluded paths
Whitespace breakages are checked while the patch is being parsed.
Disable them at the beginning of parse_chunk(), where each
individual patch is parsed, immediately after we learn the name of
the file the patch applies to and before we start parsing the diff
contained in the patch.

One may naively think that we should be able to not just skip the
whitespace checks but simply fast-forward to the next patch without
doing anything once use_patch() tells us that this patch is not
going to be used.  But in reality we cannot really skip much of the
parsing in order to do such a "fast-forward", primarily because
parsing "@@ -k,l +m,n @@" lines and counting the input lines is how
we determine the boundaries of individual patches.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 12:23:55 -07:00
Junio C Hamano
3ee2ad14c6 apply: hoist use_patch() helper for path exclusion up
We will be adding a caller to the function a bit earlier in this
file in a later patch.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 12:23:50 -07:00
Junio C Hamano
d487b0ba50 apply: use the right attribute for paths in non-Git patches
We parse each patchfile and find the name of the path the patch
applies to, and then use that name to consult the attribute system
to find the whitespace rules to be used, and also the target file
(either in the working tree or in the index) to replay the changes
against.

Unlike a Git-generated patch, a non-Git patch is taken to have the
pathnames relative to the current working directory.  The names
found in such a patch are modified by prepending the prefix by the
prefix_patches() helper function introduced in 56185f49 (git-apply:
require -p<n> when working in a subdirectory., 2007-02-19).

However, this prefixing is done after the patch is fully parsed and
affects only what target files are patched.  Because the attributes
are checked against the names found in the patch during the parsing,
not against the final pathname, the whitespace check that is done
during parsing ends up using attributes for a wrong path for non-Git
patches.

Fix this by doing the prefix much earlier, immediately after the
header part of each patch is parsed and we learn the name of the
path the patch affects.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 12:17:07 -07:00
Tanay Abhra
8a7b034d6d add tests for git_config_get_string_const()
Add tests for `git_config_get_string_const()`, check whether it
dies printing the line number and the file name if a NULL
value is retrieved for the given key.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 11:41:20 -07:00
Tanay Abhra
79e9ce21fa add a test for semantic errors in config files
Semantic errors (for example, for alias.* variables NULL values are
not allowed) in configuration files cause a die printing the line
number and file name of the offending value.

Add a test documenting that such errors cause a die printing the
accurate line number and file name.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 11:41:18 -07:00
Tanay Abhra
155ef25f12 rewrite git_config() to use the config-set API
Of all the functions in `git_config*()` family, `git_config()` has the
most invocations in the whole code base. Each `git_config()` invocation
causes config file rereads which can be avoided using the config-set API.

Use the config-set API to rewrite `git_config()` to use the config caching
layer to avoid config file rereads on each invocation during a git process
lifetime. First invocation constructs the cache, and after that for each
successive invocation, `git_config()` feeds values from the config cache
instead of rereading the configuration files.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 11:41:10 -07:00
Tanay Abhra
5a80e97c82 config: add git_die_config() to the config-set API
Add `git_die_config` that dies printing the line number and the file name
of the highest priority value for the configuration variable `key`. A custom
error message is also printed before dying, specified by the caller, which can
be skipped if `err` argument is set to NULL.

It has usage in non-callback based config value retrieval where we can
raise an error and die if there is a semantic error.
For example,

	if (!git_config_get_value(key, &value)){
		if (!strcmp(value, "foo"))
			git_config_die(key, "value: `%s` is illegal", value);
		else
			/* do work */
	}

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 11:40:25 -07:00
Tanay Abhra
aace438502 change git_config() return value to void
Currently `git_config()` returns an integer signifying an error code.
During rewrites of the function most of the code was shifted to
`git_config_with_options()`. `git_config_with_options()` normally
returns positive values if its `config_source` parameter is set as NULL,
as most errors are fatal, and non-fatal potential errors are guarded
by "if" statements that are entered only when no error is possible.

Still a negative value can be returned in case of race condition between
`access_or_die()` & `git_config_from_file()`. Also, all callers of
`git_config()` ignore the return value except for one case in branch.c.

Change `git_config()` return value to void and make it die if it receives
a negative value from `git_config_with_options()`.

Original-patch-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-07 11:40:17 -07:00