$ git clone -n https://src.fedoraproject.org/rpms/ghc-cryptonite.git /var/lib/mock/f31-build-54237-27974/root/chroot_tmpdir/scmroot/ghc-cryptonite
Cloning into '/var/lib/mock/f31-build-54237-27974/root/chroot_tmpdir/scmroot/ghc-cryptonite'...
$ git reset --hard baf2f238914a012e525c216f2ae7550a7d8d94c8
HEAD is now at baf2f23 refresh to cabal-rpm-0.13