Don't special-case a zero-sized compression.

diff --git a/upload-pack.c b/upload-pack.c
index d35c0685ce2269cec48d19fbf6b0499374a34b7e..9edbf51dc5aac854943ad34c001b11850000e2a7 100644 (file)
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -153,6 +153,7 @@ static int send_ref(const char *refname, const unsigned char *sha1)
 
 static int upload_pack(void)
 {
+       head_ref(send_ref);
        for_each_ref(send_ref);
        packet_flush(1);
        nr_needs = receive_needs();