$ git clone -n https://src.fedoraproject.org/rpms/engrampa.git /var/lib/mock/f41-build-847346-163983/root/chroot_tmpdir/scmroot/engrampa
Cloning into '/var/lib/mock/f41-build-847346-163983/root/chroot_tmpdir/scmroot/engrampa'...
$ git fetch origin 845e3a2e899bb7b2acda714f80b1915aed49f6d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/engrampa
 * [new ref]         845e3a2e899bb7b2acda714f80b1915aed49f6d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 845e3a2 update to 1.28.2