$ git clone -n https://src.fedoraproject.org/rpms/tcltls.git /var/lib/mock/f41-build-side-1-2670535-29059/root/chroot_tmpdir/scmroot/tcltls
Cloning into '/var/lib/mock/f41-build-side-1-2670535-29059/root/chroot_tmpdir/scmroot/tcltls'...
$ git fetch origin 825973fb58995b5ea0510025a6f4f37b7e2b8f4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tcltls
 * [new ref]         825973fb58995b5ea0510025a6f4f37b7e2b8f4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 825973f convert license to SPDX