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diff --abbrev=<n> option fix.

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Earier specifying an abbreviation shorter than minimum fell back
to full 40 letters, which was nonsense.  Make it to fall back to
the minimum number (currently 4).

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-01-27 02:19:51 -08:00
parent f2d4227530
commit 6b1ddbdd6e
1 changed files with 6 additions and 1 deletions
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7
diff.c
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@ -847,8 +847,13 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
options->find_copies_harder = 1;
else if (!strcmp(arg, "--abbrev"))
options->abbrev = DEFAULT_ABBREV;
else if (!strncmp(arg, "--abbrev=", 9))
else if (!strncmp(arg, "--abbrev=", 9)) {
options->abbrev = strtoul(arg + 9, NULL, 10);
if (options->abbrev < MINIMUM_ABBREV)
options->abbrev = MINIMUM_ABBREV;
else if (40 < options->abbrev)
options->abbrev = 40;
}
else
return 0;
return 1;