blame: add --abbrev command line option and make it honor core.abbrev

If user sets config.abbrev option, use it as if --abbrev was given.  This
is the default value and user can override different abbrev length by
specifying the --abbrev=N command line option.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Namhyung Kim 2011-04-06 11:20:50 +09:00 коммит произвёл Junio C Hamano
Родитель fa38cfc2c6
Коммит 84393bfd73
2 изменённых файлов: 14 добавлений и 2 удалений

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@ -9,7 +9,7 @@ SYNOPSIS
--------
[verse]
'git blame' [-c] [-b] [-l] [--root] [-t] [-f] [-n] [-s] [-e] [-p] [-w] [--incremental] [-L n,m]
[-S <revs-file>] [-M] [-C] [-C] [-C] [--since=<date>]
[-S <revs-file>] [-M] [-C] [-C] [-C] [--since=<date>] [--abbrev=<n>]
[<rev> | --contents <file> | --reverse <rev>] [--] <file>
DESCRIPTION
@ -73,6 +73,11 @@ include::blame-options.txt[]
Ignore whitespace when comparing the parent's version and
the child's to find where the lines came from.
--abbrev=<n>::
Instead of using the default 7+1 hexadecimal digits as the
abbreviated object name, use <n>+1 digits. Note that 1 column
is used for a caret to mark the boundary commit.
THE PORCELAIN FORMAT
--------------------

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@ -41,6 +41,7 @@ static int reverse;
static int blank_boundary;
static int incremental;
static int xdl_opts;
static int abbrev = -1;
static enum date_mode blame_date_mode = DATE_ISO8601;
static size_t blame_date_width;
@ -1670,7 +1671,7 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt)
cp = nth_line(sb, ent->lno);
for (cnt = 0; cnt < ent->num_lines; cnt++) {
char ch;
int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? 40 : 8;
int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? 40 : abbrev;
if (suspect->commit->object.flags & UNINTERESTING) {
if (blank_boundary)
@ -2310,6 +2311,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
{ OPTION_CALLBACK, 'C', NULL, &opt, "score", "Find line copies within and across files", PARSE_OPT_OPTARG, blame_copy_callback },
{ OPTION_CALLBACK, 'M', NULL, &opt, "score", "Find line movements within and across files", PARSE_OPT_OPTARG, blame_move_callback },
OPT_CALLBACK('L', NULL, &bottomtop, "n,m", "Process only line range n,m, counting from 1", blame_bottomtop_callback),
OPT__ABBREV(&abbrev),
OPT_END()
};
@ -2345,6 +2347,11 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
parse_done:
argc = parse_options_end(&ctx);
if (abbrev == -1)
abbrev = default_abbrev;
/* one more abbrev length is needed for the boundary commit */
abbrev++;
if (revs_file && read_ancestry(revs_file))
die_errno("reading graft file '%s' failed", revs_file);