git check-ref-format --print

diff --git a/builtin-check-ref-format.c b/builtin-check-ref-format.c
index f9381e07eaeda673e91ef6250eca4027c5ba0278..b97b61a0a4d957d6e2cb59eb314e49c06c8d70d8 100644 (file)
--- a/builtin-check-ref-format.c
+++ b/builtin-check-ref-format.c
@@ -17,6 +17,16 @@ int cmd_check_ref_format(int argc, const char **argv, const char *prefix)
                printf("%s\n", sb.buf + 11);
                exit(0);
        }
+       if (argc == 3 && !strcmp(argv[1], "--print")) {
+               char *refname = xmalloc(strlen(argv[2]) + 1);
+
+               if (check_ref_format(argv[2]))
+                       exit(1);
+               if (normalize_path_copy(refname, argv[2]))
+                       die("Could not normalize ref name '%s'", argv[2]);
+               printf("%s\n", refname);
+               exit(0);
+       }
        if (argc != 2)
                usage("git check-ref-format refname");
        return !!check_ref_format(argv[1]);