branch: add a --copy (-c) option to go with --move (-m)

diff --git a/refs.h b/refs.h
index 4be14c4b3cc65de453c4eae438c245b0c91355e5..00fce93f555746419ec4220240d0a66b86f8a7ab 100644 (file)
--- a/refs.h
+++ b/refs.h
@@ -440,7 +440,14 @@ char *shorten_unambiguous_ref(const char *refname, int strict);
 /** rename ref, return 0 on success **/
 int refs_rename_ref(struct ref_store *refs, const char *oldref,
                    const char *newref, const char *logmsg);
-int rename_ref(const char *oldref, const char *newref, const char *logmsg);
+int rename_ref(const char *oldref, const char *newref,
+                       const char *logmsg);
+
+/** copy ref, return 0 on success **/
+int refs_copy_existing_ref(struct ref_store *refs, const char *oldref,
+                   const char *newref, const char *logmsg);
+int copy_existing_ref(const char *oldref, const char *newref,
+                       const char *logmsg);
 
 int refs_create_symref(struct ref_store *refs, const char *refname,
                       const char *target, const char *logmsg);