fira-code: Use pre‐built variable fount

home/config/nil/founts.nix

@@ -30,9 +30,7 @@ in lib.mkIf (osConfig.hardware.graphics.enable or false) {
 
   home.packages = with pkgs; [
     lato
-    (self.packages.${pkgs.system}.fira-code.override {
-      fontFeatures = [ "cv01" "cv06" "onum" "ss01" "ss03" "ss06" "ss07" "ss08" "zero" ];
-    })
+    self.packages.${pkgs.system}.fira-code
     mplus-outline-fonts.githubRelease
     (nerdfonts.override { fonts = [ "NerdFontsSymbolsOnly" ]; })
     noto-fonts

package/fira-code.nix

@@ -1,48 +1,20 @@
-{ ... }: {
-  stdenv,
-  lib,
-  fetchFromGitHub,
-
-  python3,
-  ttfautohint,
-
-  fontFeatures ? [ ]
-}:
+{ ... }: { stdenv, lib, fetchzip }:
 
 stdenv.mkDerivation (finalAttrs: {
-  __structuredAttrs = true;
-
   pname = "fira-code";
-  version = "unstable-2024-02-29";
+  version = "unstable-2024-08-27";
 
-  src = fetchFromGitHub {
-    owner = "tonsky";
-    repo = "FiraCode";
-    rev = "34cced2a1235e2035fb1f258f228b0ed584b8911";
-    hash = "sha256-1cLjAqdm2oG39ML9CuVeoQKb9SR1QX9k7qt2cfl7098=";
+  src = fetchzip {
+    url = "https://github.com/illdefined/FiraCode/releases/download/unstable-2024-08-27/Fira_Code_8557c11.zip";
+    stripRoot = false;
+    hash = "sha256-pcxwlqTntP+/tNOX+MPG+YTiSv1odX4fa3zBfJViQGQ=";
   };
 
-  nativeBuildInputs = [
-    (python3.withPackages (ps: with ps; [ fontmake ]))
-    ttfautohint
-  ];
-
-  inherit fontFeatures;
-
-  postPatch = ''
-    patchShebangs script
-  '';
-
-  buildPhase = ''
-    runHook preBuild
-    ./script/bake_in_features.sh "''${fontFeatures[@]}"
-    ./script/build_ttf.sh
-    runHook postBuild
-  '';
+  dontBuild = true;
 
   installPhase = ''
     runHook preInstall
-    install -D -m 0644 -t "$out/share/fonts" distr/ttf/Fira\ Code/*.ttf
+    install -D -m 0644 -t "$out/share/fonts" "variable_ttf/Fira Code/FiraCode-VF.ttf"
     runHook postInstall
   '';
 })