$ git clone -n https://src.fedoraproject.org/rpms/lest.git /var/lib/mock/f45-build-15697-478/root/chroot_tmpdir/scmroot/lest
Cloning into '/var/lib/mock/f45-build-15697-478/root/chroot_tmpdir/scmroot/lest'...
$ git fetch origin c189c9f85771b40c40cb80a7eb8d8c0af3ee5d2c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lest
 * [new ref]         c189c9f85771b40c40cb80a7eb8d8c0af3ee5d2c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c189c9f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild