$ git clone -n https://src.fedoraproject.org/rpms/tdlib.git /var/lib/mock/f40-build-1380146-23557/root/chroot_tmpdir/scmroot/tdlib
Cloning into '/var/lib/mock/f40-build-1380146-23557/root/chroot_tmpdir/scmroot/tdlib'...
$ git fetch origin a3a27e297f602ebd0a58b39ee3e0f0feec6a3f9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tdlib
 * [new ref]         a3a27e297f602ebd0a58b39ee3e0f0feec6a3f9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3a27e2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild