$ git clone -n https://src.fedoraproject.org/rpms/pcs.git /var/lib/mock/f41-build-1639651-24158/root/chroot_tmpdir/scmroot/pcs
Cloning into '/var/lib/mock/f41-build-1639651-24158/root/chroot_tmpdir/scmroot/pcs'...
$ git fetch origin 232b9c52ef6fbe0c1bdd20e431685ae213082ca5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcs
 * [new ref]         232b9c52ef6fbe0c1bdd20e431685ae213082ca5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 232b9c5 Drop eln macro usage