enable SO_KEEPALIVE for connected TCP sockets

diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index 60a17c74ef9196e6afc468539ecf67a9d310495e..3c871c2da893dc9deb3a36bff03a7032ea038f8a 100644 (file)
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -395,6 +395,8 @@ static int find_common(int fd[2], unsigned char *result_sha1,
                                case ACK_continue: {
                                        struct commit *commit =
                                                lookup_commit(result_sha1);
+                                       if (!commit)
+                                               die("invalid commit %s", sha1_to_hex(result_sha1));
                                        if (args.stateless_rpc
                                         && ack == ACK_common
                                         && !(commit->object.flags & COMMON)) {
@@ -472,8 +474,10 @@ static int mark_complete(const char *path, const unsigned char *sha1, int flag,
        }
        if (o && o->type == OBJ_COMMIT) {
                struct commit *commit = (struct commit *)o;
-               commit->object.flags |= COMPLETE;
-               commit_list_insert_by_date(commit, &complete);
+               if (!(commit->object.flags & COMPLETE)) {
+                       commit->object.flags |= COMPLETE;
+                       commit_list_insert_by_date(commit, &complete);
+               }
        }
        return 0;
 }