$ git clone -n https://src.fedoraproject.org/rpms/cheese.git /var/lib/mock/f40-build-2208943-52148/root/chroot_tmpdir/scmroot/cheese
Cloning into '/var/lib/mock/f40-build-2208943-52148/root/chroot_tmpdir/scmroot/cheese'...
$ git fetch origin b14baec9853b21e24ea4aaa0cab9c89dadce4d8f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cheese
 * [new ref]         b14baec9853b21e24ea4aaa0cab9c89dadce4d8f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b14baec Update License tag to SPDX