builtin/reflog.c: let parse-options parse subcommands
'git reflog' parses its subcommands with a couple of if-else if statements. parse-options has just learned to parse subcommands, so let's use that facility instead, with the benefits of shorter code, and listing subcommands for Bash completion. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
SZEDER Gábor committed
Aug 19, 2022 at 18:04 UTC
729b97332b05564133e4039fbab9f694c25097a2
1 file changed
+11
-30
builtin/reflog.c
+11
-30
index b8b1f4f8ea..d3f6d903fb 100644
--- a/builtin/reflog.c
+++ b/builtin/reflog.c
@@ -404,40 +404,21 @@ static int cmd_reflog_exists(int argc, const char **argv, const char *prefix)
int cmd_reflog(int argc, const char **argv, const char *prefix)
{
+ parse_opt_subcommand_fn *fn = NULL;
struct option options[] = {
+ OPT_SUBCOMMAND("show", &fn, cmd_reflog_show),
+ OPT_SUBCOMMAND("expire", &fn, cmd_reflog_expire),
+ OPT_SUBCOMMAND("delete", &fn, cmd_reflog_delete),
+ OPT_SUBCOMMAND("exists", &fn, cmd_reflog_exists),
OPT_END()
};
argc = parse_options(argc, argv, prefix, options, reflog_usage,
+ PARSE_OPT_SUBCOMMAND_OPTIONAL |
PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0 |
- PARSE_OPT_KEEP_UNKNOWN_OPT |
- PARSE_OPT_NO_INTERNAL_HELP);
-
- /*
- * With "git reflog" we default to showing it. !argc is
- * impossible with PARSE_OPT_KEEP_ARGV0.
- */
- if (argc == 1)
- goto log_reflog;
-
- if (!strcmp(argv[1], "-h"))
- usage_with_options(reflog_usage, options);
- else if (*argv[1] == '-')
- goto log_reflog;
-
- if (!strcmp(argv[1], "show"))
- return cmd_reflog_show(argc - 1, argv + 1, prefix);
- else if (!strcmp(argv[1], "expire"))
- return cmd_reflog_expire(argc - 1, argv + 1, prefix);
- else if (!strcmp(argv[1], "delete"))
- return cmd_reflog_delete(argc - 1, argv + 1, prefix);
- else if (!strcmp(argv[1], "exists"))
- return cmd_reflog_exists(argc - 1, argv + 1, prefix);
-
- /*
- * Fall-through for e.g. "git reflog -1", "git reflog master",
- * as well as the plain "git reflog" above goto above.
- */
-log_reflog:
- return cmd_log_reflog(argc, argv, prefix);
+ PARSE_OPT_KEEP_UNKNOWN_OPT);
+ if (fn)
+ return fn(argc - 1, argv + 1, prefix);
+ else
+ return cmd_log_reflog(argc, argv, prefix);
}