diff-parseopt: convert --histogram
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/diff.c b/diff.c
index 7899c7c..7432702 100644
--- a/diff.c
+++ b/diff.c
@@ -5151,6 +5151,9 @@ static void prep_parse_options(struct diff_options *options)
N_("generate diff using the \"patience diff\" algorithm"),
PARSE_OPT_NONEG | PARSE_OPT_NOARG,
diff_opt_patience),
+ OPT_BITOP(0, "histogram", &options->xdl_opts,
+ N_("generate diff using the \"histogram diff\" algorithm"),
+ XDF_HISTOGRAM_DIFF, XDF_DIFF_ALGORITHM_MASK),
OPT_GROUP(N_("Diff other options")),
OPT_CALLBACK_F(0, "relative", options, N_("<prefix>"),
@@ -5189,9 +5192,7 @@ int diff_opt_parse(struct diff_options *options,
return ac;
/* xdiff options */
- if (!strcmp(arg, "--histogram"))
- options->xdl_opts = DIFF_WITH_ALG(options, HISTOGRAM_DIFF);
- else if ((argcount = parse_long_opt("diff-algorithm", av, &optarg))) {
+ if ((argcount = parse_long_opt("diff-algorithm", av, &optarg))) {
long value = parse_algorithm_value(optarg);
if (value < 0)
return error("option diff-algorithm accepts \"myers\", "
