$ git clone -n https://src.fedoraproject.org/rpms/ghc-attoparsec.git /var/lib/mock/f45-build-9983-412/root/chroot_tmpdir/scmroot/ghc-attoparsec
Cloning into '/var/lib/mock/f45-build-9983-412/root/chroot_tmpdir/scmroot/ghc-attoparsec'...
$ git fetch origin 232ef953cd1911649dd0bc1e5a95c474a02a1ab5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-attoparsec
 * [new ref]         232ef953cd1911649dd0bc1e5a95c474a02a1ab5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 232ef95 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild