invalidate_ref_cache(): expose this function in the refs API

diff --git a/refs.h b/refs.h
index d5ac133336dc0da45cd916207d12a5e0e4237ae3..f439c54eb23f11e084ad9f8299d17e2ad888424b 100644 (file)
--- a/refs.h
+++ b/refs.h
@@ -57,7 +57,7 @@ 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 ref_exists(const char *);
 
 extern int peel_ref(const char *, unsigned char *);
 
@@ -80,6 +80,14 @@ extern void unlock_ref(struct ref_lock *lock);
 /** Writes sha1 into the ref specified by the lock. **/
 extern int write_ref_sha1(struct ref_lock *lock, const unsigned char *sha1, const char *msg);
 
+/*
+ * Invalidate the reference cache for the specified submodule.  Use
+ * submodule=NULL to invalidate the cache for the main module.  This
+ * function must be called if references are changed via a mechanism
+ * other than the refs API.
+ */
+extern void invalidate_ref_cache(const char *submodule);
+
 /** Setup reflog before using. **/
 int log_ref_setup(const char *ref_name, char *logfile, int bufsize);