$ git clone -n https://src.fedoraproject.org/rpms/ghc-abstract-par.git /var/lib/mock/f33-build-310507-57342/root/chroot_tmpdir/scmroot/ghc-abstract-par
Cloning into '/var/lib/mock/f33-build-310507-57342/root/chroot_tmpdir/scmroot/ghc-abstract-par'...
$ git reset --hard 78df9a123a2d172e31114da0f860709d3c283f85
HEAD is now at 78df9a1 - Second attempt - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild