pkgs/ftb-app: init

pkgs/default.nix

@@ -14,6 +14,7 @@ in
 } // pkgs.lib.optionalAttrs pkgs.stdenv.isLinux {
   crossover = cp ./linux/crossover.nix { };
   crosshair-dot = cp ./linux/crosshair-dot.nix { };
+  ftb-app = cp ./linux/ftb-app.nix { };
   hp-linuxtools = cp ./linux/hp-linuxtools.nix { };
   hudkit = cp ./linux/hudkit.nix { };
   volnoti = cp ./linux/volnoti.nix { };

pkgs/linux/ftb-app.nix

@@ -0,0 +1,30 @@
+{ lib
+, appimageTools
+, fetchurl
+,
+}:
+
+let
+  version = "1.25.18";
+  pname = "ftb-app";
+  name = "${pname}-${version}";
+
+  src = fetchurl {
+    url = "https://piston.feed-the-beast.com/app/ftb-app-${version}-x86_64.AppImage";
+    hash = "sha256-qqcEovw8SoPzHS3Uz82IxONa/LHr9y9/rt2tIXE/P8g=";
+  };
+
+  appimageContents = appimageTools.extractType1 { inherit name src; };
+in
+appimageTools.wrapType1 {
+  inherit name src;
+
+  extraInstallCommands = ''
+    ls ${appimageContents}
+    mv $out/bin/${name} $out/bin/${pname}
+    install -m 444 -D ${appimageContents}/${pname}.desktop -t $out/share/applications
+    substituteInPlace $out/share/applications/${pname}.desktop \
+      --replace-fail 'Exec=AppRun' 'Exec=${pname}'
+    cp -r ${appimageContents}/usr/share/icons $out/share
+  '';
+}