# make a derivation for berkeley-mono font installation { pkgs }: pkgs.stdenv.mkDerivation { pname = "berkeley-mono-typeface"; version = "2.002"; src = "../assets/TX-02 2.002.zip"; unpackPhase = '' runHook preUnpack ${pkgs.unzip}/bin/unzip $src runHook postUnpack ''; installPhase = '' runHook preInstall install -Dm644 "TX-02 2.002/*.ttf" -t $out/share/fonts/truetype runHook postInstall ''; }