$ git clone -n https://src.fedoraproject.org/rpms/ghc-rfc5051.git /var/lib/mock/f33-build-156110-43387/root/chroot_tmpdir/scmroot/ghc-rfc5051
Cloning into '/var/lib/mock/f33-build-156110-43387/root/chroot_tmpdir/scmroot/ghc-rfc5051'...
$ git reset --hard 652fc87d6a7c3250bf3bb610d0bca8279b49483d
HEAD is now at 652fc87 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild