$ git clone -n https://src.fedoraproject.org/rpms/ghc-network-bsd.git /var/lib/mock/f45-build-10579-419/root/chroot_tmpdir/scmroot/ghc-network-bsd
Cloning into '/var/lib/mock/f45-build-10579-419/root/chroot_tmpdir/scmroot/ghc-network-bsd'...
$ git fetch origin dd1a77506bcf94252b0cf18eaef5b9d6f5e6b5d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-network-bsd
 * [new ref]         dd1a77506bcf94252b0cf18eaef5b9d6f5e6b5d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd1a775 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild