{
  packageOverrides = super: let self = super.pkgs; in
  {
    myHaskellEnv = self.haskell.packages.ghc844.ghcWithHoogle
                     (haskellPackages: with haskellPackages; [
                       #lushtags_0_0_2_1
                       #lushtags-0.0.2.1
                       #lushtags
                     ]);

    haskellPackages = super.haskellPackages.override (old: {
      overrides = super.lib.composeExtensions (old.overrides or (_: _: {})) (self1: super1: {
        lushtags_0_0_2_1 = super.haskell.lib.overrideCabal super.haskellPackages.lushtags (oldAttrs: {
          version = "0.0.2.1";
          src = super.fetchgit {
            url = https://github.com/mkasa/lushtags;
            rev = "fd7fa5a0162d9aa159559880d5ba4731e180eeaf";
            sha256 = "1si5n07k4r8kji4whglav9q59ksv6bi5v58xbpc2l5bavlk8kn6n";
          };
        });
      });
    });
  };
}