}
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;
}
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;
}