zen-browser-flake/flake.nix

{
  description = "Zen Browser";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
  };

  outputs = {
    self,
    nixpkgs,
  }: let
    system = "x86_64-linux";
    version = "1.0.1-a.21";
    downloadUrl = {
      "specific" = {
        url = "https://github.com/zen-browser/desktop/releases/download/${version}/zen.linux-specific.tar.bz2";
        sha256 = "sha256:0ljwz9ssy461xkcpnmcyf80pycd94qmw9bzbp9cphqls9qd56may";
      };
      "generic" = {
        url = "https://github.com/zen-browser/desktop/releases/download/${version}/zen.linux-generic.tar.bz2";
        sha256 = "sha256:0h3hk8n6n16fml6lj025g12nhl9plixwjxfl599z1s47dfs09p7c";
      };
    };

    pkgs = import nixpkgs {
      inherit system;
    };

    runtimeLibs = with pkgs;
      [
        libGL
        libGLU
        libevent
        libffi
        libjpeg
        libpng
        libstartup_notification
        libvpx
        libwebp
        stdenv.cc.cc
        fontconfig
        libxkbcommon
        zlib
        freetype
        gtk3
        libxml2
        dbus
        xcb-util-cursor
        alsa-lib
        libpulseaudio
        pango
        atk
        cairo
        gdk-pixbuf
        glib
        udev
        libva
        mesa
        libnotify
        cups
        pciutils
        ffmpeg
        libglvnd
        pipewire
      ]
      ++ (with pkgs.xorg; [
        libxcb
        libX11
        libXcursor
        libXrandr
        libXi
        libXext
        libXcomposite
        libXdamage
        libXfixes
        libXScrnSaver
      ]);

    mkZen = {variant}: let
      downloadData = downloadUrl."${variant}";
    in
      pkgs.stdenv.mkDerivation {
        inherit version;
        pname = "zen-browser";

        src = builtins.fetchTarball {
          url = downloadData.url;
          sha256 = downloadData.sha256;
        };

        desktopSrc = ./.;

        phases = ["installPhase" "fixupPhase"];

        nativeBuildInputs = [pkgs.makeWrapper pkgs.copyDesktopItems pkgs.wrapGAppsHook];

        installPhase = ''
          mkdir -p $out/bin && cp -r $src/* $out/bin
          install -D $desktopSrc/zen.desktop $out/share/applications/zen.desktop
          install -D $src/browser/chrome/icons/default/default128.png $out/share/icons/hicolor/128x128/apps/zen.png
        '';

        fixupPhase = ''
          chmod 755 $out/bin/*
          patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/zen
          wrapProgram $out/bin/zen --set LD_LIBRARY_PATH "${pkgs.lib.makeLibraryPath runtimeLibs}" \
                          --set MOZ_LEGACY_PROFILES 1 --set MOZ_ALLOW_DOWNGRADE 1 --set MOZ_APP_LAUNCHER zen --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH"
          patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/zen-bin
          wrapProgram $out/bin/zen-bin --set LD_LIBRARY_PATH "${pkgs.lib.makeLibraryPath runtimeLibs}" \
                          --set MOZ_LEGACY_PROFILES 1 --set MOZ_ALLOW_DOWNGRADE 1 --set MOZ_APP_LAUNCHER zen --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH"
          patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/glxtest
          wrapProgram $out/bin/glxtest --set LD_LIBRARY_PATH "${pkgs.lib.makeLibraryPath runtimeLibs}"
          patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/updater
          wrapProgram $out/bin/updater --set LD_LIBRARY_PATH "${pkgs.lib.makeLibraryPath runtimeLibs}"
          patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/vaapitest
          wrapProgram $out/bin/vaapitest --set LD_LIBRARY_PATH "${pkgs.lib.makeLibraryPath runtimeLibs}"
        '';

        meta.mainProgram = "zen";
      };
  in {
    packages."${system}" = {
      generic = mkZen {variant = "generic";};
      specific = mkZen {variant = "specific";};
      default = self.packages."${system}".specific;
    };
  };
}