$ git clone -n https://src.fedoraproject.org/rpms/ghc-either.git /var/lib/mock/f33-build-187738-46005/root/chroot_tmpdir/scmroot/ghc-either
Cloning into '/var/lib/mock/f33-build-187738-46005/root/chroot_tmpdir/scmroot/ghc-either'...
$ git reset --hard 96b7887b94f7343a4332f55d7cc0df4bc0d3d552
HEAD is now at 96b7887 refresh to cabal-rpm-2.0.2