Merge pull request #5 from Aylur/nix/lua-builder

lua example, nix builder

1 files changed, 58 insertions, 0 deletions

diff --git a/nix/lua.nix b/nix/lua.nix
new file mode 100644
index 0000000..a790021
--- /dev/null
+++ b/nix/lua.nix
@@ -0,0 +1,58 @@
+defaults: {
+  pkgs ? defaults.pkgs,
+  astal ? defaults.astal,
+  name ? "astal-lua",
+  src,
+  extraLuaPackages ? (ps: []),
+  extraPackages ? [],
+}: let
+  lua = pkgs.lua.withPackages (ps:
+    (extraLuaPackages ps)
+    ++ [
+      ps.lgi
+      (ps.luaPackages.toLuaModule (pkgs.stdenv.mkDerivation {
+        name = "astal";
+        version = "0.1.0";
+        src = "${astal}/core/lua";
+        dontBuild = true;
+        installPhase = ''
+          mkdir -p $out/share/lua/${ps.lua.luaversion}/astal
+          cp -r astal/* $out/share/lua/${ps.lua.luaversion}/astal
+        '';
+      }))
+    ]);
+
+  script = ''
+    #!${lua}/bin/lua
+    package.path = package.path .. ";${src}/?.lua"
+    require "app"
+  '';
+in
+  pkgs.stdenvNoCC.mkDerivation {
+    inherit src name;
+
+    nativeBuildInputs = with pkgs; [
+      wrapGAppsHook
+      gobject-introspection
+    ];
+
+    buildInputs =
+      extraPackages
+      ++ [
+        lua
+        astal.packages.${pkgs.system}.default
+      ];
+
+    installPhase = ''
+      runHook preInstall
+      mkdir -p $out/bin
+      cp -r * $out/bin
+      echo '${script}' > astal-lua
+      install -m 755 astal-lua $out/bin/${name}
+      runHook postInstall
+    '';
+
+    gappsWrapperArgs = [
+      "--prefix PATH : ${pkgs.lib.makeBinPath extraPackages}"
+    ];
+  }