$ git clone -n https://src.fedoraproject.org/rpms/ghc-shakespeare.git /var/lib/mock/f31-build-54816-28063/root/chroot_tmpdir/scmroot/ghc-shakespeare
Cloning into '/var/lib/mock/f31-build-54816-28063/root/chroot_tmpdir/scmroot/ghc-shakespeare'...
$ git reset --hard d7328b52fd1bea1d84ae1241e12baec46b0c38be
HEAD is now at d7328b5 update to 2.0.20