Documentation: push/receive hook references.

diff --git a/send-pack.c b/send-pack.c
index 2a14b00845c0211a0ddb38dad892ff2be0fdc8cc..f61c15c820facf936856c0af6be52a266b7e3dfd 100644 (file)
--- a/send-pack.c
+++ b/send-pack.c
@@ -190,6 +190,12 @@ static int send_pack(int in, int out, int nr_refspec, char **refspec)
        if (match_refs(local_refs, remote_refs, &remote_tail,
                       nr_refspec, refspec, send_all))
                return -1;
+
+       if (!remote_refs) {
+               fprintf(stderr, "No refs in common and none specified; doing nothing.\n");
+               return 0;
+       }
+
        /*
         * Finally, tell the other end!
         */