$ git clone -n https://src.fedoraproject.org/rpms/stoken.git /var/lib/mock/f45-build-46425-834/root/chroot_tmpdir/scmroot/stoken
Cloning into '/var/lib/mock/f45-build-46425-834/root/chroot_tmpdir/scmroot/stoken'...
$ git fetch origin 6bb9c4d32b02dc4a0fba0b4816403206a69e44ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stoken
 * [new ref]         6bb9c4d32b02dc4a0fba0b4816403206a69e44ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bb9c4d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild