builtin/show-branch: rewrite functions to work with object_id

diff --git a/argv-array.h b/argv-array.h
index f4b98660f8a98e2cecdf70285d1d76205b3f4be7..c65e6e825a96efca6111184e5c50d2406064631f 100644 (file)
--- a/argv-array.h
+++ b/argv-array.h
@@ -15,6 +15,7 @@ void argv_array_init(struct argv_array *);
 void argv_array_push(struct argv_array *, const char *);
 __attribute__((format (printf,2,3)))
 void argv_array_pushf(struct argv_array *, const char *fmt, ...);
+LAST_ARG_MUST_BE_NULL
 void argv_array_pushl(struct argv_array *, ...);
 void argv_array_pop(struct argv_array *);
 void argv_array_clear(struct argv_array *);