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diff-parseopt: convert --patience

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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 2019-03-05 19:30:08 +07:00 committed by Junio C Hamano
parent 06f77518db
commit 31fd640e95
1 changed files with 25 additions and 12 deletions
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37
diff.c
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@ -4960,6 +4960,26 @@ static enum parse_opt_result diff_opt_output(struct parse_opt_ctx_t *ctx,
return 0;
}
static int diff_opt_patience(const struct option *opt,
const char *arg, int unset)
{
struct diff_options *options = opt->value;
int i;
BUG_ON_OPT_NEG(unset);
BUG_ON_OPT_ARG(arg);
options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
/*
* Both --patience and --anchored use PATIENCE_DIFF
* internally, so remove any anchors previously
* specified.
*/
for (i = 0; i < options->anchors_nr; i++)
free(options->anchors[i]);
options->anchors_nr = 0;
return 0;
}
static int diff_opt_relative(const struct option *opt,
const char *arg, int unset)
{
@ -5127,6 +5147,10 @@ static void prep_parse_options(struct diff_options *options)
OPT_BIT(0, "indent-heuristic", &options->xdl_opts,
N_("heuristic to shift diff hunk boundaries for easy reading"),
XDF_INDENT_HEURISTIC),
OPT_CALLBACK_F(0, "patience", options, NULL,
N_("generate diff using the \"patience diff\" algorithm"),
PARSE_OPT_NONEG | PARSE_OPT_NOARG,
diff_opt_patience),
OPT_GROUP(N_("Diff other options")),
OPT_CALLBACK_F(0, "relative", options, N_("<prefix>"),
@ -5165,18 +5189,7 @@ int diff_opt_parse(struct diff_options *options,
return ac;
/* xdiff options */
if (!strcmp(arg, "--patience")) {
int i;
options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
/*
* Both --patience and --anchored use PATIENCE_DIFF
* internally, so remove any anchors previously
* specified.
*/
for (i = 0; i < options->anchors_nr; i++)
free(options->anchors[i]);
options->anchors_nr = 0;
} else if (!strcmp(arg, "--histogram"))
if (!strcmp(arg, "--histogram"))
options->xdl_opts = DIFF_WITH_ALG(options, HISTOGRAM_DIFF);
else if ((argcount = parse_long_opt("diff-algorithm", av, &optarg))) {
long value = parse_algorithm_value(optarg);