Documentation: rerere's rr-cache auto-creation and rerere.enabled

diff --git a/refs.h b/refs.h
index 5e7a9a59f5f6b687d15eb37a11696433bdc8f15c..5de06e57e7a9644a7dd51832552e9d1afa53c8cd 100644 (file)
--- a/refs.h
+++ b/refs.h
@@ -54,6 +54,7 @@ extern void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refn
  */
 extern void add_extra_ref(const char *refname, const unsigned char *sha1, int flags);
 extern void clear_extra_refs(void);
+extern int ref_exists(char *);
 
 extern int peel_ref(const char *, unsigned char *);