$ git clone -n https://src.fedoraproject.org/rpms/ghc-hxt.git /var/lib/mock/f33-build-161119-43422/root/chroot_tmpdir/scmroot/ghc-hxt
Cloning into '/var/lib/mock/f33-build-161119-43422/root/chroot_tmpdir/scmroot/ghc-hxt'...
$ git reset --hard c55dfc7ac86d13555745b44d2267c2863549b72a
HEAD is now at c55dfc7 refresh to cabal-rpm-2.0.2