$ git clone -n https://src.fedoraproject.org/rpms/ghc-network.git /var/lib/mock/f45-build-10602-419/root/chroot_tmpdir/scmroot/ghc-network
Cloning into '/var/lib/mock/f45-build-10602-419/root/chroot_tmpdir/scmroot/ghc-network'...
$ git fetch origin 8511c5844bbb5ab2826da595500387a7dda95926:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-network
 * [new ref]         8511c5844bbb5ab2826da595500387a7dda95926 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8511c58 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild