fix multi_ack.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/connect.c b/connect.c
index b8aea35..c2badc7 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -8,7 +8,7 @@
 #include <arpa/inet.h>
 #include <netdb.h>
 
-static char *server_capabilities = "";
+static char *server_capabilities = NULL;
 
 /*
  * Read all the refs from the other end
@@ -58,7 +58,8 @@ struct ref **get_remote_heads(int in, struct ref **list,
 
 int server_supports(const char *feature)
 {
-       return strstr(feature, server_capabilities) != NULL;
+       return server_capabilities &&
+               strstr(server_capabilities, feature) != NULL;
 }
 
 int get_ack(int fd, unsigned char *result_sha1)

diff --git a/upload-pack.c b/upload-pack.c
index 686445e..c5eff21 100644 (file)
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -212,11 +212,15 @@ static int receive_needs(void)
 
 static int send_ref(const char *refname, const unsigned char *sha1)
 {
-       static char *capabilities = "\0multi_ack";
+       static char *capabilities = "multi_ack";
        struct object *o = parse_object(sha1);
 
-       packet_write(1, "%s %s%s\n", sha1_to_hex(sha1), refname, capabilities);
-       capabilities = "";
+       if (capabilities)
+               packet_write(1, "%s %s%c%s\n", sha1_to_hex(sha1), refname,
+                       0, capabilities);
+       else
+               packet_write(1, "%s %s\n", sha1_to_hex(sha1), refname);
+       capabilities = NULL;
        if (!(o->flags & OUR_REF)) {
                o->flags |= OUR_REF;
                nr_our_refs++;