update flake structure and update default.nix for production.

default.nix

@@ -1,21 +1,50 @@
 {
-  # lib,
+  lib,
   rustPlatform,
-  packageName,
+  makeWrapper,
   pkg-config,
   wayland,
   alsa-lib,
-  libudev-zero,
+  udev,
+  libxkbcommon,
+  vulkan-loader,
 }:
 rustPlatform.buildRustPackage {
-  name = "${packageName}";
+  name = "war-in-tunnels";
   src = ./.;
   buildInputs = [
     wayland
     alsa-lib
-    libudev-zero
+    udev
+    libxkbcommon
+    vulkan-loader
+  ];
+  nativeBuildInputs = [
+    makeWrapper
+    pkg-config
   ];
-  nativeBuildInputs = [ pkg-config ];
   # cargoHash = lib.fakeHash;
   cargoHash = "sha256-ZJ7DODvIiupVlmBUhQhXEVlNeDT0S62z/5Qln77JpQc=";
+  cargoBuildFlags = [
+    "--bin"
+    "war-in-tunnels"
+  ];
+  postInstall = ''
+    mkdir $out/share
+    ls
+    cp -r assets $out/share
+    wrapProgram $out/bin/war-in-tunnels --chdir $out/share
+  '';
+  postFixup = ''
+    patchelf $out/bin/.war-in-tunnels-wrapped \
+      --add-rpath ${
+        lib.makeLibraryPath [
+          vulkan-loader
+          libxkbcommon
+        ]
+      }
+  '';
+  env = {
+    ZSTD_SYS_USE_PKG_CONFIG = true;
+  };
 }

flake.nix

@@ -36,40 +36,56 @@
       };
 
       cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
-      packageName = cargoToml.package.name;
       packageVersion = cargoToml.package.version;
       bevyVersion = cargoToml.dependencies.bevy;
     in
     {
       packages.${system} = {
-        default = pkgs.callPackage ./default.nix {
+        default = pkgs.callPackage ./default.nix { };
-          packageName = packageName;
-        };
 
         develop = naerskLib.buildPackage {
-          name = "${packageName}";
+          name = "war-in-tunnels";
           src = ./.;
           buildInputs = with pkgs; [
             wayland
             alsa-lib
-            libudev-zero
+            udev
+            libxkbcommon
+            vulkan-loader
           ];
           nativeBuildInputs = with pkgs; [ pkg-config ];
         };
       };
 
       devShells.${system}.default = pkgs.mkShell {
-        env.RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
         buildInputs = [
           rustToolchain
-          pkgs.wayland
+        ]
-          pkgs.alsa-lib
+        ++ (with pkgs; [
-          pkgs.libudev-zero
+          wayland
-        ];
+          alsa-lib
+          udev
+          libxkbcommon
+          vulkan-loader
+        ]);
         nativeBuildInputs = with pkgs; [ pkg-config ];
+        env = {
+          RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
+          LD_LIBRARY_PATH =
+            with pkgs;
+            "$LD_LIBRARY_PATH:${
+              lib.makeLibraryPath [
+                wayland
+                alsa-lib
+                udev
+                libxkbcommon
+                vulkan-loader
+              ]
+            }";
+        };
 
         shellHook = ''
-          echo "${packageName} v${packageVersion}"
+          echo "War in Tunnels v${packageVersion}"
           echo "Bevy           v${bevyVersion}"
           echo ""
           echo "Commands:"