tree-walk: copy object ID before use

diff --git a/builtin/update-index.c b/builtin/update-index.c
index 31e7cce3013a3b3f358834f24848fc73b67f8e8b..e19da77edcaa024cc2bffc6fa8818c2b1cf0d4b6 100644 (file)
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -1086,6 +1086,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
                case PARSE_OPT_HELP:
                case PARSE_OPT_ERROR:
                        exit(129);
+               case PARSE_OPT_COMPLETE:
+                       exit(0);
                case PARSE_OPT_NON_OPTION:
                case PARSE_OPT_DONE:
                {