$ git clone -n https://src.fedoraproject.org/rpms/ghc-servant.git /var/lib/mock/f33-build-143511-42860/root/chroot_tmpdir/scmroot/ghc-servant
Cloning into '/var/lib/mock/f33-build-143511-42860/root/chroot_tmpdir/scmroot/ghc-servant'...
$ git reset --hard aa833489e33b4e4a3ac0a3e5d88ea194ca1be852
HEAD is now at aa83348 remember to add back servant tarball