flake.nix: fix flutter

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1776548001,
-        "narHash": "sha256-ZSK0NL4a1BwVbbTBoSnWgbJy9HeZFXLYQizjb2DPF24=",
+        "lastModified": 1776877367,
+        "narHash": "sha256-EHq1/OX139R1RvBzOJ0aMRT3xnWyqtHBRUBuO1gFzjI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b12141ef619e0a9c1c84dc8c684040326f27cdcc",
+        "rev": "0726a0ecb6d4e08f6adced58726b95db924cef57",
         "type": "github"
       },
       "original": {

flake.nix

@@ -17,7 +17,7 @@
     devShells = forAllSystems (_: pkgs: {
       default = pkgs.mkShell {
         packages = with pkgs; [
-          flutter338
+          flutter341
 
           # https://github.com/NixOS/nixpkgs/issues/341147
           pkg-config
@@ -41,7 +41,16 @@
           (baseName == "flake.nix" && type == "regular")
           (baseName == "module.nix" && type == "regular")
         ])) ./.;
-      flutter = pkgs.flutter338;
+
+      # Flutter is kinda brokey at the time of writing this, seemingly not all executables
+      # are marked as executable, and this only affects weird build artifacts like the web output
+      # which isn't really used within nixpkgs. ¯\_(ツ)_/¯
+      flutter = pkgs.flutter341.overrideAttrs (prev: {
+        postInstall = prev.postInstall or "" + ''
+          chmod +x "$out"/bin/cache/artifacts/engine/linux-x64/font-subset
+        '';
+      });
+
     in {
       default = self.packages.${system}.linux;
       linux = pkgs.callPackage ./nix/package.nix {

nix/package.nix

@@ -9,7 +9,7 @@
   isDebug ? false,
 }:
 
-flutter.buildFlutterApplication {
+(flutter.buildFlutterApplication.override { inherit flutter; }) {
   pname = let
     variant = if isWeb && isWasm then "wasm"
               else if isWeb then "web"