diff-parseopt: convert --relative
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 d423a06..b9c267a 100644
--- a/diff.c
+++ b/diff.c
@@ -4960,6 +4960,18 @@ static enum parse_opt_result diff_opt_output(struct parse_opt_ctx_t *ctx,
return 0;
}
+static int diff_opt_relative(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ options->flags.relative_name = 1;
+ if (arg)
+ options->prefix = arg;
+ return 0;
+}
+
static int diff_opt_unified(const struct option *opt,
const char *arg, int unset)
{
@@ -5094,6 +5106,10 @@ static void prep_parse_options(struct diff_options *options)
N_("use empty blobs as rename source")),
OPT_GROUP(N_("Diff other options")),
+ OPT_CALLBACK_F(0, "relative", options, N_("<prefix>"),
+ N_("when run from subdir, exclude changes outside and show relative paths"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_relative),
{ OPTION_CALLBACK, 0, "output", options, N_("<file>"),
N_("Output to a specific file"),
PARSE_OPT_NONEG, NULL, 0, diff_opt_output },
@@ -5125,15 +5141,8 @@ int diff_opt_parse(struct diff_options *options,
if (ac)
return ac;
- /* renames options */
- if (skip_to_optional_arg_default(arg, "--relative", &arg, NULL)) {
- options->flags.relative_name = 1;
- if (arg)
- options->prefix = arg;
- }
-
/* xdiff options */
- else if (!strcmp(arg, "--minimal"))
+ if (!strcmp(arg, "--minimal"))
DIFF_XDL_SET(options, NEED_MINIMAL);
else if (!strcmp(arg, "--no-minimal"))
DIFF_XDL_CLR(options, NEED_MINIMAL);
