$ git clone -n https://src.fedoraproject.org/rpms/ghc-ghc-mtl.git /var/lib/mock/f33-build-148854-43199/root/chroot_tmpdir/scmroot/ghc-ghc-mtl
Cloning into '/var/lib/mock/f33-build-148854-43199/root/chroot_tmpdir/scmroot/ghc-ghc-mtl'...
$ git reset --hard 5ac86e7b3f0ee9681bc1747131c04f49f41d3f58
HEAD is now at 5ac86e7 refresh to cabal-rpm-2.0.2