diff-parseopt: convert -O
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 699f860..849620a 100644
--- a/diff.c
+++ b/diff.c
@@ -4617,22 +4617,6 @@ static int opt_arg(const char *arg, int arg_short, const char *arg_long, int *va
return 1;
}
-static inline int short_opt(char opt, const char **argv,
- const char **optarg)
-{
- const char *arg = argv[0];
- if (arg[0] != '-' || arg[1] != opt)
- return 0;
- if (arg[2] != '\0') {
- *optarg = arg + 2;
- return 1;
- }
- if (!argv[1])
- die("Option '%c' requires a value", opt);
- *optarg = argv[1];
- return 2;
-}
-
int parse_long_opt(const char *opt, const char **argv,
const char **optarg)
{
@@ -5397,6 +5381,8 @@ static void prep_parse_options(struct diff_options *options)
OPT_BIT_F(0, "pickaxe-regex", &options->pickaxe_opts,
N_("treat <string> in -S as extended POSIX regular expression"),
DIFF_PICKAXE_REGEX, PARSE_OPT_NONEG),
+ OPT_FILENAME('O', NULL, &options->orderfile,
+ N_("control the order in which files appear in the output")),
{ OPTION_CALLBACK, 0, "output", options, N_("<file>"),
N_("Output to a specific file"),
PARSE_OPT_NONEG, NULL, 0, diff_opt_output },
@@ -5449,10 +5435,7 @@ int diff_opt_parse(struct diff_options *options,
}
/* misc options */
- else if ((argcount = short_opt('O', av, &optarg))) {
- options->orderfile = prefix_filename(prefix, optarg);
- return argcount;
- } else if (skip_prefix(arg, "--find-object=", &arg))
+ else if (skip_prefix(arg, "--find-object=", &arg))
return parse_objfind_opt(options, arg);
else if ((argcount = parse_long_opt("diff-filter", av, &optarg))) {
int offending = parse_diff_filter_opt(optarg, options);
