static struct commit *make_virtual_commit(struct tree *tree, const char *comment)
 {
-       struct commit *commit = xcalloc(1, sizeof(struct commit));
+       struct commit *commit = alloc_commit_node();
        struct merge_remote_desc *desc = xmalloc(sizeof(*desc));
 
        desc->name = comment;
                        printf(_("(bad commit)\n"));
                else {
                        const char *title;
-                       int len = find_commit_subject(commit->buffer, &title);
+                       const char *msg = get_commit_buffer(commit, NULL);
+                       int len = find_commit_subject(msg, &title);
                        if (len)
                                printf("%.*s\n", len, title);
+                       unuse_commit_buffer(commit, msg);
                }
        }
 }
                        return -1;
        }
        if (update_working_directory) {
+               if (ignore_case) {
+                       struct cache_entry *ce;
+                       ce = cache_file_exists(path, strlen(path), ignore_case);
+                       if (ce && ce_stage(ce) == 0)
+                               return 0;
+               }
                if (remove_path(path))
                        return -1;
        }