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diff-parseopt: convert -M|--find-renames

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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2019-02-21 18:16:14 +07:00 committed by Junio C Hamano
parent ced4e179fe
commit f476308b27
1 changed files with 23 additions and 12 deletions
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35
diff.c
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@ -4909,6 +4909,22 @@ static int diff_opt_dirstat(const struct option *opt,
return 0;
}
static int diff_opt_find_renames(const struct option *opt,
const char *arg, int unset)
{
struct diff_options *options = opt->value;
BUG_ON_OPT_NEG(unset);
if (!arg)
arg = "";
options->rename_score = parse_rename_score(&arg);
if (*arg != 0)
return error(_("invalid argument to %s"), opt->long_name);
options->detect_rename = DIFF_DETECT_RENAME;
return 0;
}
static enum parse_opt_result diff_opt_output(struct parse_opt_ctx_t *ctx,
const struct option *opt,
const char *arg, int unset)
@ -5040,6 +5056,10 @@ static void prep_parse_options(struct diff_options *options)
N_("break complete rewrite changes into pairs of delete and create"),
PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
diff_opt_break_rewrites),
OPT_CALLBACK_F('M', "find-renames", options, N_("<n>"),
N_("detect renames"),
PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
diff_opt_find_renames),
OPT_GROUP(N_("Diff other options")),
{ OPTION_CALLBACK, 0, "output", options, N_("<file>"),
@ -5074,13 +5094,7 @@ int diff_opt_parse(struct diff_options *options,
return ac;
/* renames options */
if (starts_with(arg, "-M") ||
skip_to_optional_arg(arg, "--find-renames", NULL)) {
if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
return error("invalid argument to -M: %s", arg+2);
options->detect_rename = DIFF_DETECT_RENAME;
}
else if (!strcmp(arg, "-D") || !strcmp(arg, "--irreversible-delete")) {
if (!strcmp(arg, "-D") || !strcmp(arg, "--irreversible-delete")) {
options->irreversible_delete = 1;
}
else if (starts_with(arg, "-C") ||
@ -5363,13 +5377,10 @@ static int diff_scoreopt_parse(const char *opt)
if (skip_prefix(opt, "find-copies", &opt)) {
if (*opt == 0 || *opt++ == '=')
cmd = 'C';
} else if (skip_prefix(opt, "find-renames", &opt)) {
if (*opt == 0 || *opt++ == '=')
cmd = 'M';
}
}
if (cmd != 'M' && cmd != 'C')
return -1; /* that is not a -M, or -C option */
if (cmd != 'C')
return -1; /* that is not a -M option */
opt1 = parse_rename_score(&opt);
if (*opt != 0)