$ git clone -n https://src.fedoraproject.org/rpms/opentrep.git /var/lib/mock/f45-build-21127-579/root/chroot_tmpdir/scmroot/opentrep
Cloning into '/var/lib/mock/f45-build-21127-579/root/chroot_tmpdir/scmroot/opentrep'...
$ git fetch origin 1724d0cd9566bb0399287fa5a90cb2fd747e45e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opentrep
 * [new ref]         1724d0cd9566bb0399287fa5a90cb2fd747e45e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1724d0c Upgraded upstream to 0.08.02