Add Nix build

.github/workflows/build.yml

@@ -15,6 +15,9 @@ on:
       SPARKLE_ED25519_KEY:
         description: Private key for signing Sparkle updates
         required: false
+      CACHIX_AUTH_TOKEN:
+        description: Private token for authenticating against Cachix cache
+        required: false
 
 jobs:
   build:
@@ -526,3 +529,33 @@ jobs:
           bundle: "Prism Launcher.flatpak"
           manifest-path: flatpak/org.prismlauncher.PrismLauncher.yml 
           cache-key: flatpak-${{ github.sha }}-x86_64
+
+  nix:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        package:
+          - prismlauncher
+          - prismlauncher-qt5
+    steps:
+      - name: Clone repository
+        if: inputs.build_type == 'Debug'
+        uses: actions/checkout@v3
+        with:
+          submodules: 'true'
+      - name: Install nix
+        if: inputs.build_type == 'Debug'
+        uses: cachix/install-nix-action@v18
+        with:
+          install_url: https://nixos.org/nix/install
+          extra_nix_config: |
+            auto-optimise-store = true
+            experimental-features = nix-command flakes
+      - uses: cachix/cachix-action@v12
+        if: inputs.build_type == 'Debug'
+        with:
+          name: prismlauncher
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - name: Build
+        if: inputs.build_type == 'Debug'
+        run: nix build .#${{ matrix.package }} --print-build-logs

.github/workflows/trigger_builds.yml

@@ -8,7 +8,6 @@ on:
       - '**.md'
       - '**/LICENSE'
       - 'flake.lock'
-      - '**.nix'
       - 'packages/**'
       - '.github/ISSUE_TEMPLATE/**'
       - '.markdownlint**'
@@ -17,7 +16,6 @@ on:
       - '**.md'
       - '**/LICENSE'
       - 'flake.lock'
-      - '**.nix'
       - 'packages/**'
       - '.github/ISSUE_TEMPLATE/**'
       - '.markdownlint**'
@@ -33,3 +31,4 @@ jobs:
       is_qt_cached: true
     secrets:
       SPARKLE_ED25519_KEY: ${{ secrets.SPARKLE_ED25519_KEY }}
+      CACHIX_AUTH_TOKEN: ${{ secrets.CACHIX_AUTH_TOKEN }}

flake.nix

@@ -23,8 +23,8 @@
       pkgs = forAllSystems (system: nixpkgs.legacyPackages.${system});
 
       packagesFn = pkgs: rec {
-        prismlauncher = pkgs.libsForQt5.callPackage ./nix { inherit version self libnbtplusplus tomlplusplus; };
-        prismlauncher-qt6 = pkgs.qt6Packages.callPackage ./nix { inherit version self libnbtplusplus tomlplusplus; };
+        prismlauncher-qt5 = pkgs.libsForQt5.callPackage ./nix { inherit version self libnbtplusplus tomlplusplus; };
+        prismlauncher = pkgs.qt6Packages.callPackage ./nix { inherit version self libnbtplusplus tomlplusplus; };
       };
     in
     {

nix/default.nix

@@ -1,100 +1,99 @@
-{ stdenv
-, lib
-, fetchFromGitHub
+{ lib
+, stdenv
 , cmake
-, ninja
 , jdk8
 , jdk
-, ghc_filesystem
 , zlib
 , file
 , wrapQtAppsHook
 , xorg
 , libpulseaudio
 , qtbase
-, quazip
+, qtsvg
+, qtwayland
 , libGL
-, msaClientID ? ""
-, extraJDKs ? [ ]
+, quazip
+, glfw
+, openal
 , extra-cmake-modules
+, ghc_filesystem
+, msaClientID ? ""
+, jdks ? [ jdk jdk8 ]
 
   # flake
 , self
 , version
 , libnbtplusplus
 , tomlplusplus
-, enableLTO ? false
 }:
 
-let
-  # Libraries required to run Minecraft
-  libpath = with xorg; lib.makeLibraryPath [
-    libX11
-    libXext
-    libXcursor
-    libXrandr
-    libXxf86vm
-    libpulseaudio
-    libGL
-  ];
-
-  # This variable will be passed to Minecraft by Prism Launcher
-  gameLibraryPath = libpath + ":/run/opengl-driver/lib";
-
-  javaPaths = lib.makeSearchPath "bin/java" ([ jdk jdk8 ] ++ extraJDKs);
-in
-
 stdenv.mkDerivation rec {
   pname = "prismlauncher";
   inherit version;
 
   src = lib.cleanSource self;
 
-  nativeBuildInputs = [ cmake extra-cmake-modules ninja jdk ghc_filesystem file wrapQtAppsHook ];
-  buildInputs = [ qtbase quazip zlib ];
+  nativeBuildInputs = [ extra-cmake-modules cmake file jdk wrapQtAppsHook ];
+  buildInputs = [
+    qtbase
+    qtsvg
+    zlib
+    quazip
+    ghc_filesystem
+  ] ++ lib.optional (lib.versionAtLeast qtbase.version "6") qtwayland;
 
+  cmakeFlags = lib.optionals (msaClientID != "") [ "-DLauncher_MSA_CLIENT_ID=${msaClientID}" ]
+    ++ lib.optionals (lib.versionAtLeast qtbase.version "6") [ "-DLauncher_QT_VERSION_MAJOR=6" ];
   dontWrapQtApps = true;
 
   postUnpack = ''
-    # Copy libnbtplusplus
     rm -rf source/libraries/libnbtplusplus
     mkdir source/libraries/libnbtplusplus
     ln -s ${libnbtplusplus}/* source/libraries/libnbtplusplus
     chmod -R +r+w source/libraries/libnbtplusplus
-    # Copy tomlplusplus
+    chown -R $USER: source/libraries/libnbtplusplus
     rm -rf source/libraries/tomlplusplus
     mkdir source/libraries/tomlplusplus
     ln -s ${tomlplusplus}/* source/libraries/tomlplusplus
     chmod -R +r+w source/libraries/tomlplusplus
+    chown -R $USER: source/libraries/tomlplusplus
   '';
 
-  cmakeFlags = [
-    "-GNinja"
-    "-DLauncher_QT_VERSION_MAJOR=${lib.versions.major qtbase.version}"
-  ] ++ lib.optionals enableLTO [ "-DENABLE_LTO=on" ]
-  ++ lib.optionals (msaClientID != "") [ "-DLauncher_MSA_CLIENT_ID=${msaClientID}" ];
+  postInstall =
+    let
+      libpath = with xorg;
+        lib.makeLibraryPath [
+          libX11
+          libXext
+          libXcursor
+          libXrandr
+          libXxf86vm
+          libpulseaudio
+          libGL
+          glfw
+          openal
+          stdenv.cc.cc.lib
+        ];
+    in
+    ''
+      # xorg.xrandr needed for LWJGL [2.9.2, 3) https://github.com/LWJGL/lwjgl/issues/128
+      wrapQtApp $out/bin/prismlauncher \
+        --set LD_LIBRARY_PATH /run/opengl-driver/lib:${libpath} \
+        --prefix PRISMLAUNCHER_JAVA_PATHS : ${lib.makeSearchPath "bin/java" jdks} \
+        --prefix PATH : ${lib.makeBinPath [xorg.xrandr]}
+    '';
 
-  # we have to check if the system is NixOS before adding stdenv.cc.cc.lib (#923)
-  postInstall = ''
-    # xorg.xrandr needed for LWJGL [2.9.2, 3) https://github.com/LWJGL/lwjgl/issues/128
-    wrapQtApp $out/bin/prismlauncher \
-      --run '[ -f /etc/NIXOS ] && export LD_LIBRARY_PATH="${stdenv.cc.cc.lib}/lib:$LD_LIBRARY_PATH"' \
-      --prefix LD_LIBRARY_PATH : ${gameLibraryPath} \
-      --prefix PRISMLAUNCHER_JAVA_PATHS : ${javaPaths} \
-      --prefix PATH : ${lib.makeBinPath [ xorg.xrandr ]}
-  '';
 
   meta = with lib; {
     homepage = "https://prismlauncher.org/";
-    downloadPage = "https://prismlauncher.org/download/";
-    changelog = "https://github.com/PrismLauncher/PrismLauncher/releases";
     description = "A free, open source launcher for Minecraft";
     longDescription = ''
       Allows you to have multiple, separate instances of Minecraft (each with
       their own mods, texture packs, saves, etc) and helps you manage them and
       their associated options with a simple interface.
     '';
-    platforms = platforms.unix;
+    platforms = platforms.linux;
+    changelog = "https://github.com/PrismLauncher/PrismLauncher/releases/tag/${version}";
     license = licenses.gpl3Only;
     maintainers = with maintainers; [ minion3665 Scrumplex ];
   };