diff-parseopt: convert --[no-]compact-summary

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 1feb13deb3adef95b5d157ff817e99234215d2be..b24f6825a1327595d144592ba375c386a53216c5 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -4841,6 +4841,21 @@ static int parse_objfind_opt(struct diff_options *opt, const char *arg)
        return 1;
 }
 
+static int diff_opt_compact_summary(const struct option *opt,
+                                   const char *arg, int unset)
+{
+       struct diff_options *options = opt->value;
+
+       BUG_ON_OPT_ARG(arg);
+       if (unset) {
+               options->flags.stat_with_summary = 0;
+       } else {
+               options->flags.stat_with_summary = 1;
+               options->output_format |= DIFF_FORMAT_DIFFSTAT;
+       }
+       return 0;
+}
+
 static int diff_opt_dirstat(const struct option *opt,
                            const char *arg, int unset)
 {
@@ -4947,6 +4962,9 @@ static void prep_parse_options(struct diff_options *options)
                OPT_CALLBACK_F(0, "stat-count", options, N_("<count>"),
                               N_("generate diffstat with limited lines"),
                               PARSE_OPT_NONEG, diff_opt_stat),
+               OPT_CALLBACK_F(0, "compact-summary", options, NULL,
+                              N_("generate compact summary in diffstat"),
+                              PARSE_OPT_NOARG, diff_opt_compact_summary),
                OPT_END()
        };
 
@@ -4975,12 +4993,7 @@ int diff_opt_parse(struct diff_options *options,
                return ac;
 
        /* Output format options */
-       if (!strcmp(arg, "--compact-summary")) {
-                options->flags.stat_with_summary = 1;
-                options->output_format |= DIFF_FORMAT_DIFFSTAT;
-       } else if (!strcmp(arg, "--no-compact-summary"))
-                options->flags.stat_with_summary = 0;
-       else if (skip_prefix(arg, "--output-indicator-new=", &arg))
+       if (skip_prefix(arg, "--output-indicator-new=", &arg))
                options->output_indicators[OUTPUT_INDICATOR_NEW] = arg[0];
        else if (skip_prefix(arg, "--output-indicator-old=", &arg))
                options->output_indicators[OUTPUT_INDICATOR_OLD] = arg[0];