$ git clone -n https://src.fedoraproject.org/rpms/ghc-rfc5051.git /var/lib/mock/f33-build-288862-54223/root/chroot_tmpdir/scmroot/ghc-rfc5051
Cloning into '/var/lib/mock/f33-build-288862-54223/root/chroot_tmpdir/scmroot/ghc-rfc5051'...
$ git reset --hard d1a97575626bb291a3f95da209af5942c143afdf
HEAD is now at d1a9757 - Second attempt - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild