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push: unset PARSE_OPT_OPTARG for --recurse-submodules 

When the usage for `git push` is shown, it includes the following
lines

	--recurse-submodules[=(check|on-demand|no)]
			      control recursive pushing of submodules

which seem to indicate that the argument for --recurse-submodules is
optional. However, we cannot actually run that optiion without an
argument:

	$ git push --recurse-submodules
	fatal: recurse-submodules missing parameter

Unset PARSE_OPT_OPTARG so that it is clear that this option requires an
argument. Since the parse-options machinery guarantees that an argument
is present now, assume that `arg` is set in the else of
option_parse_recurse_submodules().

Reported-by: Andrew White <andrew.white@audinate.com>
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Denton Liu 2020-04-27 02:44:08 -04:00 committed by Junio C Hamano
parent af6b65d45e
commit ce9baf234f
1 changed files with 3 additions and 6 deletions
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9
builtin/push.c
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@ -434,10 +434,8 @@ static int option_parse_recurse_submodules(const struct option *opt,
if (unset)
*recurse_submodules = RECURSE_SUBMODULES_OFF;
else if (arg)
*recurse_submodules = parse_push_recurse_submodules_arg(opt->long_name, arg);
else
die("%s missing parameter", opt->long_name);
*recurse_submodules = parse_push_recurse_submodules_arg(opt->long_name, arg);
return 0;
}
@ -552,9 +550,8 @@ int cmd_push(int argc, const char **argv, const char *prefix)
0, CAS_OPT_NAME, &cas, N_("<refname>:<expect>"),
N_("require old value of ref to be at this value"),
PARSE_OPT_OPTARG | PARSE_OPT_LITERAL_ARGHELP, parseopt_push_cas_option },
{ OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules, "(check|on-demand|no)",
N_("control recursive pushing of submodules"),
PARSE_OPT_OPTARG, option_parse_recurse_submodules },
OPT_CALLBACK(0, "recurse-submodules", &recurse_submodules, "(check|on-demand|no)",
N_("control recursive pushing of submodules"), option_parse_recurse_submodules),
OPT_BOOL_F( 0 , "thin", &thin, N_("use thin pack"), PARSE_OPT_NOCOMPLETE),
OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")),