int ref_exists(const char *refname);
+int should_autocreate_reflog(const char *refname);
+
int is_branch(const char *refname);
extern int refs_init_db(struct strbuf *err);
*/
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);