$ git clone -n https://src.fedoraproject.org/rpms/ghc-contravariant.git /var/lib/mock/f33-build-160394-43416/root/chroot_tmpdir/scmroot/ghc-contravariant
Cloning into '/var/lib/mock/f33-build-160394-43416/root/chroot_tmpdir/scmroot/ghc-contravariant'...
$ git reset --hard 4653572ad23f9ba736b09c552713f4510ac81073
HEAD is now at 4653572 refresh to cabal-rpm-2.0.2