if (fd && close(fd))
                                die_errno("git commit-tree: failed to close '%s'",
                                          argv[i]);
-                       strbuf_complete_line(&buffer);
                        continue;
                }
 
                        die_errno("git commit-tree: failed to read");
        }
 
-       if (commit_tree(buffer.buf, buffer.len, tree_oid.hash, parents,
-                       commit_oid.hash, NULL, sign_commit)) {
+       if (commit_tree(buffer.buf, buffer.len, &tree_oid, parents, &commit_oid,
+                       NULL, sign_commit)) {
                strbuf_release(&buffer);
                return 1;
        }