$ git clone -n https://src.fedoraproject.org/rpms/ghc-attempt.git /var/lib/mock/f33-build-321164-57942/root/chroot_tmpdir/scmroot/ghc-attempt
Cloning into '/var/lib/mock/f33-build-321164-57942/root/chroot_tmpdir/scmroot/ghc-attempt'...
$ git reset --hard fd469fd534724531102c3335c0745edd6525697d
HEAD is now at fd469fd - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild