This makes commands such as `git for-each-ref --format='%(refname)'`,
which are used heavily by the bash_completion code, run about 6 times
faster on an uncached repository (3 s intead of 18 s on my linux-2.6
repository with several remotes).
Signed-off-by: Anders Kaseorg <andersk@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
To give OPT_FILENAME the prefix, we pass the prefix to parse_options()
which passes the prefix to parse_options_start() which sets the prefix
member of parse_opts_ctx accordingly. If there isn't a prefix in the
calling context, passing NULL will suffice.
Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
You can trigger a segfault in git.git by doing:
git for-each-ref --format='%(taggeremail)' refs/tags/v0.99
The v0.99 tag is special in that it contains no "tagger"
header.
The bug is obvious in copy_email, which carefully checks to
make sure the result of a strchr is non-NULL, but only after
already having used it to perform other work. The fix is to
move the check up.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
core.warnAmbiguousRefs is used to select strict mode for the
abbreviation for the ":short" format specifier of "refname" and "upstream".
In strict mode, the abbreviated ref will never trigger the
'warn_ambiguous_refs' warning. I.e. for these refs:
refs/heads/xyzzy
refs/tags/xyzzy
the abbreviated forms are:
heads/xyzzy
tags/xyzzy
Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Add the strict mode of abbreviation to shorten_unambiguous_ref(), i.e. the
resulting ref won't trigger the ambiguous ref warning.
All users of shorten_unambiguous_ref() still use the loose mode.
Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Often we want to shorten a full ref name to something "prettier"
to show a user. For example, "refs/heads/master" is often shown
simply as "master", or "refs/remotes/origin/master" is shown as
"origin/master".
Many places in the code use a very simple formula: skip common
prefixes like refs/heads, refs/remotes, etc. This is codified in
the prettify_ref function.
for-each-ref has a more correct (but more expensive) approach:
consider the ref lookup rules, and try shortening as much as
possible while remaining unambiguous.
This patch makes the latter strategy globally available as
shorten_unambiguous_ref.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The logic for determining the upstream ref of a branch is
somewhat complex to perform in a shell script. This patch
provides a plumbing mechanism for scripts to access the C
logic used internally by git-status, git-branch, etc.
For example:
$ git for-each-ref \
--format='%(refname:short) %(upstream:short)' \
refs/heads/
master origin/master
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This code handles some special magic like *-deref and the
:short formatting specifier. The next patch will add another
field which outputs a ref and wants to use the same code.
This patch splits the "which ref are we outputting" from the
actual formatting. There should be no behavioral change.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This function took a "refinfo" object which is unnecessarily
restrictive; it only ever looked at the refname field. This
patch refactors it to take just the ref name as a string.
While we're touching the relevant lines, let's give it
consistent memory semantics. Previously, some code paths
would return an allocated string and some would return the
original string; now it will always return a malloc'd
string.
This doesn't actually fix a bug or a leak, because
for-each-ref doesn't clean up its memory, but it makes the
function a lot less surprising for reuse (which will
happen in a later patch).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
These variables were always overwritten or the assigned
value was unused:
builtin-diff-tree.c::cmd_diff_tree(): nr_sha1
builtin-for-each-ref.c::opt_parse_sort(): sort_tail
builtin-mailinfo.c::decode_header_bq(): in
builtin-shortlog.c::insert_one_record(): len
connect.c::git_connect(): path
imap-send.c::v_issue_imap_cmd(): n
pretty.c::pp_user_info(): filler
remote::parse_refspec_internal(): llen
Signed-off-by: Benjamin Kramer <benny.kra@googlemail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Replace them with mksnpath/git_snpath and a local buffer
for the resulting string.
Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
'git for-each-ref --format=%(subject)' currently returns an empty string
if the log message does not contain a newline.
This patch teaches 'git for-each-ref' to return the entire log message
(instead of an empty string) if there is no newline in the log message.
Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Tries to shorten the refname to a non-ambiguous name.
Szeder Gábor noticed that the git bash completion takes a
tremendous amount of time to strip leading components from
heads and tags refs (i.e. refs/heads, refs/tags, ...). He
proposed a new atom called 'refbasename' which removes at
most two leading components from the ref name.
I myself, proposed a more dynamic solution, which strips off
common leading components with the matched pattern.
But the current bash solution and both proposals suffer from
one mayor problem: ambiguous refs.
A ref is ambiguous, if it resolves to more than one full refs.
I.e. given the refs refs/heads/xyzzy and refs/tags/xyzzy. The
(short) ref xyzzy can point to both refs.
( Note: Its irrelevant whether the referenced objects are the
same or not. )
This proposal solves this by checking for ambiguity of the
shorten ref name.
The shortening is done with the same rules for resolving refs
but in the reverse order. The short name is checked if it
resolves to a different ref.
To continue the above example, the output would be like this:
heads/xyzzy
xyzzy
So, if you want just tags, xyzzy is not ambiguous, because it
will resolve to a tag. If you need the heads you get a also
a non-ambiguous short form of the ref.
To integrate this new format into the bash completion to get
only non-ambiguous refs is beyond the scope of this patch.
Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
More often than not, I end up using something like refs/remotes/ as the
pattern for for-each-ref, but that doesn't work, because it expects to see
the slash in the ref name right after the matched pattern. So teach it to
accept the slash as the final character in the pattern as well.
Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
If you have a tag with a single, incomplete line as its payload, asking
git-for-each-ref for its %(body) element accessed a NULL pointer.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
When you misuse a git command, you are shown the usage string.
But this is currently shown in the dashed form. So if you just
copy what you see, it will not work, when the dashed form
is no longer supported.
This patch makes git commands show the dash-less version.
For shell scripts that do not specify OPTIONS_SPEC, git-sh-setup.sh
generates a dash-less usage string now.
Signed-off-by: Stephan Beyer <s-beyer@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The "type" and "object" fields for tags were accepted as
valid atoms, but never implemented. Consequently, they
simply returned the empty string, even for valid tags.
Noticed by Lea Wiemann.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
for-each-ref can accept only one quoting style. For this reason it uses
OPT_BIT for the quoting style switches so that it is easy to check for
more than one bit being set. However, not all symbolic constants were
actually single bit values. In particular:
$ git for-each-ref --python
error: more than one quoting style ?
This fixes it.
While we are here, let's also remove the space before the question mark.
Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The option value for --sort is already a pointer to a pointer to struct
ref_sort, so just use it.
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The string value of %(numparent) was not returned correctly.
Also %(parent) misbehaved for the root commits (returned garbage)
and merge commits (returned first parent, followed by a space).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Andy Parkins noticed that parsing of the above would not
correctly notice that xxdate does not have any format
specifier.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
grab_date() gets an extra parameter - atomname; this extra parameter is
checked to see if it has a ":<format>" extra component in it, and if so
that "<format>" string is passed to parse_date_format() to produce an
enum date_mode value which is then further passed to show_date().
In short it allows the user of git-for-each-ref to do things like this:
$ git-for-each-ref --format='%(taggerdate:default)' refs/tags/v1.5.2
Sun May 20 00:30:42 2007 -0700
$ git-for-each-ref --format='%(taggerdate:relative)' refs/tags/v1.5.2
4 months ago
$ git-for-each-ref --format='%(taggerdate:short)' refs/tags/v1.5.2
2007-05-20
$ git-for-each-ref --format='%(taggerdate:local)' refs/tags/v1.5.2
Sun May 20 08:30:42 2007
$ git-for-each-ref --format='%(taggerdate:iso8601)' refs/tags/v1.5.2
2007-05-20 00:30:42 -0700
$ git-for-each-ref --format='%(taggerdate:rfc2822)' refs/tags/v1.5.2
Sun, 20 May 2007 00:30:42 -0700
The default, when no ":<format>" is specified is ":default", leaving the
existing behaviour unchanged.
Signed-off-by: Andy Parkins <andyparkins@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
In anticipation of supplying a per-field date format specifier, this
patch makes parse_atom() in builtin-for-each-ref.c allow atoms that have
a valid atom name (as determined by the valid_atom[] table) followed by
a colon, followed by an arbitrary string.
The arbitrary string is where the format for the atom will be specified.
Note, if different formats are specified for the same atom, multiple
entries will be made in the used_atoms table to allow them to be
distinguished by the grab_XXXX() functions.
Signed-off-by: Andy Parkins <andyparkins@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Make every builtin-*.c file #include "builtin.h".
Also takes care of some declaration/definition mismatches.
Signed-off-by: Peter Hagervall <hager@cs.umu.se>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
We shouldn't attempt to assign constant strings into char*, as the
string is not writable at runtime. Likewise we should always be
treating unsigned values as unsigned values, not as signed values.
Most of these are very straightforward. The only exception is the
(unnecessary) xstrdup/free in builtin-branch.c for the detached
head case. Since this is a user-level interactive type program
and that particular code path is executed no more than once, I feel
that the extra xstrdup call is well worth the easy elimination of
this warning.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
We currently have two parallel notation for dealing with object types
in the code: a string and a numerical value. One of them is obviously
redundent, and the most used one requires more stack space and a bunch
of strcmp() all over the place.
This is an initial step for the removal of the version using a char array
found in object reading code paths. The patch is unfortunately large but
there is no sane way to split it in smaller parts without breaking the
system.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Sometime typename() is used, sometimes type_names[] is accessed directly.
Let's enforce typename() all the time which allows for validating the
type.
Also let's add a function to go from a name to a type and use it instead
of manual memcpy() when appropriate.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This mechanically converts strncmp() to use prefixcmp(), but only when
the parameters match specific patterns, so that they can be verified
easily. Leftover from this will be fixed in a separate step, including
idiotic conversions like
if (!strncmp("foo", arg, 3))
=>
if (!(-prefixcmp(arg, "foo")))
This was done by using this script in px.perl
#!/usr/bin/perl -i.bak -p
if (/strncmp\(([^,]+), "([^\\"]*)", (\d+)\)/ && (length($2) == $3)) {
s|strncmp\(([^,]+), "([^\\"]*)", (\d+)\)|prefixcmp($1, "$2")|;
}
if (/strncmp\("([^\\"]*)", ([^,]+), (\d+)\)/ && (length($1) == $3)) {
s|strncmp\("([^\\"]*)", ([^,]+), (\d+)\)|(-prefixcmp($2, "$1"))|;
}
and running:
$ git grep -l strncmp -- '*.c' | xargs perl px.perl
Signed-off-by: Junio C Hamano <junkio@cox.net>
Love it or hate it, some people actually still program in Tcl. Some
of those programs are meant for interfacing with Git. Programs such as
gitk and git-gui. It may be useful to have Tcl-safe output available
from for-each-ref, just like shell, Perl and Python already enjoy.
Thanks to Sergey Vlasov for pointing out the horrible flaws in the
first and second version of this patch, and steering me in the right
direction for Tcl value quoting.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This is a mechanical clean-up of the way *.c files include
system header files.
(1) sources under compat/, platform sha-1 implementations, and
xdelta code are exempt from the following rules;
(2) the first #include must be "git-compat-util.h" or one of
our own header file that includes it first (e.g. config.h,
builtin.h, pkt-line.h);
(3) system headers that are included in "git-compat-util.h"
need not be included in individual C source files.
(4) "git-compat-util.h" does not have to include subsystem
specific header files (e.g. expat.h).
Signed-off-by: Junio C Hamano <junkio@cox.net>
Unfortunately, git-for-each-refs is currently unusable for peeking into tag
comments, since it uses freed pointers, so it just prints out all sort of
garbage.
This makes it strdup() contents and body values.
Signed-off-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This adds "creator" (which is parallel to "tagger" or "committer")
and "creatordate" (corresponds to "taggerdate" and
"committerdate").
As other "date" fields, "creatordate" sorts numerically
and displays human readably. This allows for example for
sorting together heavyweigth and lightweight tags.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Acked-by: Jakub Narebski <jnareb@gmail.com>
This adds a new command, git-for-each-ref. You can have it iterate
over refs and have it output various aspects of the objects they
refer to.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Anders Kaseorg