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submodule--helper: show usage for "-h"

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Normal users shouldn't ever call submodule--helper, but it
doesn't hurt to give them a normal usage message if they try
"-h".

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2017-05-30 01:16:50 -04:00 committed by Junio C Hamano
parent bb246590a1
commit f0994fa85d
1 changed files with 2 additions and 3 deletions
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5
builtin/submodule--helper.c
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@ -1222,9 +1222,8 @@ static struct cmd_struct commands[] = {
int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
{
int i;
if (argc < 2)
die(_("submodule--helper subcommand must be "
"called with a subcommand"));
if (argc < 2 || !strcmp(argv[1], "-h"))
usage("git submodule--helper <command>");
for (i = 0; i < ARRAY_SIZE(commands); i++) {
if (!strcmp(argv[1], commands[i].cmd)) {