$ git clone -n https://src.fedoraproject.org/rpms/ghc-network.git /var/lib/mock/f41-build-837757-159384/root/chroot_tmpdir/scmroot/ghc-network
Cloning into '/var/lib/mock/f41-build-837757-159384/root/chroot_tmpdir/scmroot/ghc-network'...
$ git fetch origin f59ba74125f9ffc59b29d3a7a3e93add21db5b0d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-network
 * [new ref]         f59ba74125f9ffc59b29d3a7a3e93add21db5b0d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f59ba74 bump release