trailer: streamline trailer item create and add

diff --git a/refs.h b/refs.h
index fe51280fc61d24eccca0e38f8fc75ecee7fcb751..69478439137d64f6dab7f20d4f157f6c7a982ac2 100644 (file)
--- a/refs.h
+++ b/refs.h
@@ -94,6 +94,7 @@ int resolve_gitlink_ref(const char *submodule, const char *refname,
  */
 int refname_match(const char *abbrev_name, const char *full_name);
 
+int expand_ref(const char *str, int len, unsigned char *sha1, char **ref);
 int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref);
 int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);