$ git clone -n https://src.fedoraproject.org/rpms/ocp.git /var/lib/mock/f40-build-2703981-70908/root/chroot_tmpdir/scmroot/ocp
Cloning into '/var/lib/mock/f40-build-2703981-70908/root/chroot_tmpdir/scmroot/ocp'...
$ git fetch origin b1b364d25b5409fb505f95cffb4bd2df4da7b55d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocp
 * [new ref]         b1b364d25b5409fb505f95cffb4bd2df4da7b55d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1b364d Update to 0.2.109