rpm.global("commit", gh_commit("tdlib/td"));
if rpm.changed() {
    let v = find("\nproject\\(TDLib\\s+VERSION\\s+([\\d.]+)\\s+", gh_rawfile("tdlib/td", "master", "CMakeLists.txt"), 1);
    rpm.global("ver", v);
    rpm.release();
    rpm.global("commit_date", date());
}