Merge branch 'maint-1.6.4' into maint-1.6.5

* maint-1.6.4:
  Check size of path buffer before writing into it
  rev-parse: fix --parse-opt --keep-dashdash --stop-at-non-option

Author: gitster

builtin-rev-parse.c

@@ -397,8 +397,8 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
 	ALLOC_GROW(opts, onb + 1, osz);
 	memset(opts + onb, 0, sizeof(opts[onb]));
 	argc = parse_options(argc, argv, prefix, opts, usage,
-			keep_dashdash ? PARSE_OPT_KEEP_DASHDASH : 0 |
-			stop_at_non_option ? PARSE_OPT_STOP_AT_NON_OPTION : 0);
+			(keep_dashdash ? PARSE_OPT_KEEP_DASHDASH : 0) |
+			(stop_at_non_option ? PARSE_OPT_STOP_AT_NON_OPTION : 0));
 
 	strbuf_addf(&parsed, " --");
 	sq_quote_argv(&parsed, argv, 0);

setup.c

@@ -156,6 +156,8 @@ static int is_git_directory(const char *suspect)
 	char path[PATH_MAX];
 	size_t len = strlen(suspect);
 
+	if (PATH_MAX <= len + strlen("/objects"))
+		die("Too long path: %.*s", 60, suspect);
 	strcpy(path, suspect);
 	if (getenv(DB_ENVIRONMENT)) {
 		if (access(getenv(DB_ENVIRONMENT), X_OK))

t/t1502-rev-parse-parseopt.sh

@@ -79,4 +79,22 @@ test_expect_success 'test --parseopt --keep-dashdash' '
 	test_cmp expect output
 '
 
+cat >expect <<EOF
+set -- --foo -- '--' 'arg' '--spam=ham'
+EOF
+
+test_expect_success 'test --parseopt --keep-dashdash --stop-at-non-option with --' '
+	git rev-parse --parseopt --keep-dashdash --stop-at-non-option -- --foo -- arg --spam=ham <optionspec >output &&
+	test_cmp expect output
+'
+
+cat > expect <<EOF
+set -- --foo -- 'arg' '--spam=ham'
+EOF
+
+test_expect_success 'test --parseopt --keep-dashdash --stop-at-non-option without --' '
+	git rev-parse --parseopt --keep-dashdash --stop-at-non-option -- --foo arg --spam=ham <optionspec >output &&
+	test_cmp expect output
+'
+
 test_done