nix: fix desktop entry, update nixpkgs, small fixes

build/nix/build.nix

@@ -1,13 +1,12 @@
 { lib
+, stdenv
 , self ? null
 , buildType ? "release"
-, platform ? "linux"
-, enableWayland ? true
-, enableXorg ? true
+, enableWayland ? stdenv.hostPlatform.isLinux
+, enableXorg ? stdenv.hostPlatform.isUnix
 , enableOpenGL ? true
 , enableVulkan ? true
 , rustPlatform
-, makeDesktopItem
 , pkg-config
 , libxkbcommon
 , alsa-lib
@@ -21,8 +20,8 @@
 , ... 
 }:
 
-assert (platform == "linux" ) -> (enableWayland || enableXorg);
-assert (platform == "linux" ) -> (enableVulkan || enableOpenGL);
+assert ( stdenv.hostPlatform.isUnix ) -> (enableWayland || enableXorg);
+assert ( enableVulkan || enableOpenGL);
 
 rustPlatform.buildRustPackage rec {
   name = "outfly";
@@ -45,25 +44,16 @@ rustPlatform.buildRustPackage rec {
   nativeBuildInputs = [ pkg-config ];
   doCheck = false;
 
+  postInstall = ''
+    install -Dm644 doc/branding/logo.png $out/share/pixmaps/outfly.png
+    install -Dm644 build/linux/outfly.desktop $out/share/applications/outfly.desktop
+  '';
+
   postFixup = ''
     patchelf $out/bin/outfly \
     --add-rpath ${lib.makeLibraryPath runtimeInputs}
   '';
 
-  postPatch = ''
-    find ../cargo-vendor-dir -name Cargo.toml -exec sed -i 's/^workspace = true//' {} +
-  '';
-
   cargoLock = { lockFile = ./../../Cargo.lock; };
-
-  desktopItems = [
-    (makeDesktopItem {
-      name = "outfly";
-      exec = "outfly";
-
-      desktopName = "OutFly";
-      categories = [ "Game" ];
-    })
-  ];
 }
 

build/nix/flake.lock

@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1722185531,
-        "narHash": "sha256-veKR07psFoJjINLC8RK4DiLniGGMgF3QMlS4tb74S6k=",
+        "lastModified": 1736344531,
+        "narHash": "sha256-8YVQ9ZbSfuUk2bUf2KRj60NRraLPKPS0Q4QFTbc+c2c=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "52ec9ac3b12395ad677e8b62106f0b98c1f8569d",
+        "rev": "bffc22eb12172e6db3c5dde9e3e5628f8e3e7912",
         "type": "github"
       },
       "original": {