Update default.nix

pkgs/hellium/default.nix

@@ -1,78 +1,25 @@
+{ lib, pkgs, ... }:
 {
-  lib,
-  pkgs,
-  ...
-}:
+  helium = pkgs.appimageTools.wrapType2 rec {
 
-let
     pname = "helium";
     version = "0.12.4.1";
 
     src = pkgs.fetchurl {
-    url = "https://github.com/imputnet/helium-linux/releases/download/${version}/helium-${version}-x86_64.AppImage";
-    hash = "sha256-OgS8HkLBseFrEhNFJxMwp1bg0gzPdfY1VaySAAp7vq0=";
+      url = "https://github.com/imputnet/helium-linux/releases/download/${version}/${pname}-${version}-x86_64.AppImage";
+      sha256 = "sha256-OgS8HkLBseFrEhNFJxMwp1bg0gzPdfY1VaySAAp7vq0=";
     };
 
-  contents = pkgs.appimageTools.extractType2 {
-    inherit pname version src;
-  };
-in
-pkgs.appimageTools.wrapType2 {
-  inherit pname version src;
+    extraInstallCommands =
+      let
+        contents = pkgs.appimageTools.extract { inherit pname version src; };
+      in
+      ''
 
-  extraPkgs =
-    pkgs: with pkgs; [
-      gtk3
-      nss
-      nspr
-      libdrm
-      mesa
-
-      libx11
-      libxcb
-      libxcomposite
-      libxdamage
-      libxext
-      libxfixes
-      libxrandr
-      libxi
-      libxtst
-      libxscrnsaver
-
-      atk
-      at-spi2-atk
-      cairo
-      pango
-      expat
-      alsa-lib
-    ];
-
-  extraInstallCommands = ''
-    mkdir -p $out/share/applications
-    mkdir -p $out/share/icons
-    mkdir -p $out/share/pixmaps
-
-    cp ${contents}/*.desktop \
-      $out/share/applications/${pname}.desktop
-
-    desktop_file="$out/share/applications/${pname}.desktop"
-
-    sed -i "s|^Exec=.*|Exec=$out/bin/${pname}|g" "$desktop_file"
-
-    if [ -d "${contents}/usr/share/icons" ]; then
-      cp -r ${contents}/usr/share/icons/* \
-        $out/share/icons/
-    fi
-
-    find ${contents} -iname "*.png" -exec cp {} $out/share/pixmaps/${pname}.png \; | head -n 1
+        install -m 444 -D ${contents}/${pname}.desktop -t $out/share/applications
+        substituteInPlace $out/share/applications/${pname}.desktop \
+          --replace 'Exec=AppRun' 'Exec=${pname}'
+        cp -r ${contents}/usr/share/icons $out/share
       '';
-
-  meta = with lib; {
-    description = "Helium Browser";
-    homepage = "https://github.com/imputnet/helium";
-    changelog = "https://github.com/imputnet/helium/releases";
-    license = licenses.bsl11;
-    platforms = [ "x86_64-linux" ];
-    mainProgram = pname;
   };
 }