1 files changed, 2 insertions, 0 deletions
diff --git a/refspec.h b/refspec.h
index 8d654e3a3a..7569248d11 100644
--- a/refspec.h
+++ b/refspec.h
@@ -56,6 +56,8 @@ void refspec_item_init_or_die(struct refspec_item *item, const char *refspec,
 void refspec_item_clear(struct refspec_item *item);
 void refspec_init(struct refspec *rs, int fetch);
 void refspec_append(struct refspec *rs, const char *refspec);
+__attribute__((format (printf,2,3)))
+void refspec_appendf(struct refspec *rs, const char *fmt, ...);
 void refspec_appendn(struct refspec *rs, const char **refspecs, int nr);
 void refspec_clear(struct refspec *rs);