Documentation: update tutorial's discussion of origin

diff --git a/refs.h b/refs.h
index ce73d5c7ae394c012f828536dd4df8b143819718..de43cc768af559538b2db9f3383bbf2e08713ae0 100644 (file)
--- a/refs.h
+++ b/refs.h
@@ -44,10 +44,14 @@ extern int write_ref_sha1(struct ref_lock *lock, const unsigned char *sha1, cons
 /** Reads log for the value of ref during at_time. **/
 extern int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *sha1);
 
+/* iterate over reflog entries */
+typedef int each_reflog_ent_fn(unsigned char *osha1, unsigned char *nsha1, char *, void *);
+void for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data);
+
 /** Returns 0 if target has the right format for a ref. **/
 extern int check_ref_format(const char *target);
 
 /** rename ref, return 0 on success **/
-extern int rename_ref(const char *oldref, const char *newref);
+extern int rename_ref(const char *oldref, const char *newref, const char *logmsg);
 
 #endif /* REFS_H */