$ git clone -n https://src.fedoraproject.org/rpms/web-eid.git /var/lib/mock/f41-build-859901-168714/root/chroot_tmpdir/scmroot/web-eid
Cloning into '/var/lib/mock/f41-build-859901-168714/root/chroot_tmpdir/scmroot/web-eid'...
$ git fetch origin 357e8a0c840bbd5513bad1f20eb7d61c4ed4d3f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/web-eid
 * [new ref]         357e8a0c840bbd5513bad1f20eb7d61c4ed4d3f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 357e8a0 fixed impagination