$ git clone -n https://src.fedoraproject.org/rpms/ghc-bifunctors.git /var/lib/mock/f33-build-160132-43416/root/chroot_tmpdir/scmroot/ghc-bifunctors
Cloning into '/var/lib/mock/f33-build-160132-43416/root/chroot_tmpdir/scmroot/ghc-bifunctors'...
$ git reset --hard c0dda912960a23d9b60cd3f56c72bf425ebf181b
HEAD is now at c0dda91 update to 5.5.7