$ git clone -n https://src.fedoraproject.org/rpms/tdlib.git /var/lib/mock/f39-build-2092226-50235/root/chroot_tmpdir/scmroot/tdlib
Cloning into '/var/lib/mock/f39-build-2092226-50235/root/chroot_tmpdir/scmroot/tdlib'...
$ git fetch origin 8053922ba7f278e4c48b0bb01ba361066fa3d0ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tdlib
 * [new ref]         8053922ba7f278e4c48b0bb01ba361066fa3d0ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8053922 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild