Merge branch 'ab/bundle-wo-args'

Fix to a small regression in 2.38 days.

* ab/bundle-wo-args:
  bundle <cmd>: have usage_msg_opt() note the missing "<file>"
  builtin/bundle.c: remove superfluous "newargc" variable
  bundle: don't segfault on "git bundle <subcmd>"

Author: gitster

builtin/bundle.c

@@ -55,13 +55,12 @@ static int parse_options_cmd_bundle(int argc,
 		const char * const usagestr[],
 		const struct option options[],
 		char **bundle_file) {
-	int newargc;
-	newargc = parse_options(argc, argv, NULL, options, usagestr,
+	argc = parse_options(argc, argv, NULL, options, usagestr,
 			     PARSE_OPT_STOP_AT_NON_OPTION);
-	if (argc < 1)
-		usage_with_options(usagestr, options);
+	if (!argc)
+		usage_msg_opt(_("need a <file> argument"), usagestr, options);
 	*bundle_file = prefix_filename(prefix, argv[0]);
-	return newargc;
+	return argc;
 }
 
 static int cmd_bundle_create(int argc, const char **argv, const char *prefix) {

t/t6020-bundle-misc.sh

@@ -11,6 +11,13 @@ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-bundle.sh
 
+for cmd in create verify list-heads unbundle
+do
+	test_expect_success "usage: git bundle $cmd needs an argument" '
+		test_expect_code 129 git bundle $cmd
+	'
+done
+
 # Create a commit or tag and set the variable with the object ID.
 test_commit_setvar () {
 	notick=