Teach git-fetch to grab a tag at the same time as a commit

[git.git] / upload-pack.c

diff --git a/upload-pack.c b/upload-pack.c
index 7e04311027176fc87c1de7dd619000d2a75d4eb9..660134a30dc6e4bc2b30e8137ca82e6e2db453d4 100644 (file)
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -35,6 +35,7 @@ static unsigned int timeout;
  * otherwise maximum packet size (up to 65520 bytes).
  */
 static int use_sideband;
+static int debug_fd;
 
 static void reset_timeout(void)
 {
@@ -129,7 +130,8 @@ static int do_rev_list(int fd, void *create_full_pack)
                }
                setup_revisions(0, NULL, &revs, NULL);
        }
-       prepare_revision_walk(&revs);
+       if (prepare_revision_walk(&revs))
+               die("revision walk setup failed");
        mark_edges_uninteresting(revs.commits, &revs, show_edge);
        traverse_commit_list(&revs, show_commit, show_object);
        return 0;
@@ -392,7 +394,6 @@ static int get_common_commits(void)
        char hex[41], last_hex[41];
        int len;
 
-       track_object_refs = 0;
        save_commit_buffer = 0;
 
        for(;;) {
@@ -444,6 +445,8 @@ static void receive_needs(void)
        static char line[1000];
        int len, depth = 0;
 
+       if (debug_fd)
+               write_in_full(debug_fd, "#S\n", 3);
        for (;;) {
                struct object *o;
                unsigned char sha1_buf[20];
@@ -451,6 +454,8 @@ static void receive_needs(void)
                reset_timeout();
                if (!len)
                        break;
+               if (debug_fd)
+                       write_in_full(debug_fd, line, len);
 
                if (!prefixcmp(line, "shallow ")) {
                        unsigned char sha1[20];
@@ -506,6 +511,8 @@ static void receive_needs(void)
                        add_object_array(o, NULL, &want_obj);
                }
        }
+       if (debug_fd)
+               write_in_full(debug_fd, "#E\n", 3);
        if (depth == 0 && shallows.nr == 0)
                return;
        if (depth > 0) {
@@ -533,7 +540,8 @@ static void receive_needs(void)
                                /* make sure the real parents are parsed */
                                unregister_shallow(object->sha1);
                                object->parsed = 0;
-                               parse_commit((struct commit *)object);
+                               if (parse_commit((struct commit *)object))
+                                       die("invalid commit");
                                parents = ((struct commit *)object)->parents;
                                while (parents) {
                                        add_object_array(&parents->item->object,
@@ -575,7 +583,8 @@ static int send_ref(const char *refname, const unsigned char *sha1, int flag, vo
        }
        if (o->type == OBJ_TAG) {
                o = deref_tag(o, refname, 0);
-               packet_write(1, "%s %s^{}\n", sha1_to_hex(o->sha1), refname);
+               if (o)
+                       packet_write(1, "%s %s^{}\n", sha1_to_hex(o->sha1), refname);
        }
        return 0;
 }
@@ -620,12 +629,17 @@ int main(int argc, char **argv)
 
        if (i != argc-1)
                usage(upload_pack_usage);
+
+       setup_path(NULL);
+
        dir = argv[i];
 
        if (!enter_repo(dir, strict))
                die("'%s': unable to chdir or not a git archive", dir);
        if (is_repository_shallow())
                die("attempt to fetch/clone from a shallow repository");
+       if (getenv("GIT_DEBUG_SEND_PACK"))
+               debug_fd = atoi(getenv("GIT_DEBUG_SEND_PACK"));
        upload_pack();
        return 0;
 }