Add Nix devenv

.envrc

@@ -0,0 +1,2 @@
+eval "$(devenv direnvrc)"
+use devenv

.gitignore

@@ -4,6 +4,7 @@ veshell.log
 .flutter_sdk
 target
 .vscode/vmService.json
+.devenv*
 
 // debug config folder
-.veshell
+.veshell

devenv.lock

@@ -0,0 +1,103 @@
+{
+  "nodes": {
+    "devenv": {
+      "locked": {
+        "dir": "src/modules",
+        "lastModified": 1757003908,
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "ac8ebf17828c0e7d9be0270d359123fffcc6f066",
+        "type": "github"
+      },
+      "original": {
+        "dir": "src/modules",
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1747046372,
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "git-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1755960406,
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "e891a93b193fcaf2fc8012d890dc7f0befe86ec2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "git-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1755783167,
+        "owner": "cachix",
+        "repo": "devenv-nixpkgs",
+        "rev": "4a880fb247d24fbca57269af672e8f78935b0328",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "ref": "rolling",
+        "repo": "devenv-nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devenv": "devenv",
+        "git-hooks": "git-hooks",
+        "nixpkgs": "nixpkgs",
+        "pre-commit-hooks": [
+          "git-hooks"
+        ]
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

devenv.nix

@@ -0,0 +1,120 @@
+{ pkgs, lib, config, inputs, ... }:
+let
+ flutterHash = "sha256-s5T16+cMmL2ustJQjwFbfS8G+/TJW/WCEF1IO4WgbXQ=";
+ flutterEngineHash = "sha256-XNZGEFE7ryNhA9Fc33n0v/uq7+IjdDDAMpqEVECRxws=";
+in
+let
+  # Parse Flutter version from Cargo metadata
+  cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
+  flutterVersion = cargoToml.package.metadata.flutter_version;
+
+  # Get Flutter from GitHub
+  flutter = pkgs.flutter.overrideAttrs (oldAttrs: {
+    src = pkgs.fetchFromGitHub {
+      owner = "flutter";
+      repo = "flutter";
+      rev = flutterVersion;
+      sha256 = flutterHash;
+    };
+    version = flutterVersion;
+  });
+
+  # Parse Flutter engine revision from Flutter
+  engineRevisionFile = "${flutter}/bin/internal/engine.version";
+  engineRevision = if builtins.pathExists engineRevisionFile
+    then  lib.strings.removeSuffix "\n" (builtins.readFile engineRevisionFile)
+    else "stable";
+
+  # Get Flutter Engine from GitHub
+  flutterEngine = pkgs.stdenv.mkDerivation rec {
+    pname = "flutter-engine";
+    version = engineRevision;
+
+    src = pkgs.fetchurl {
+      name = "flutter-engine-${version}.tar.gz";
+      url = "https://github.com/meta-flutter/flutter-engine/releases/download/linux-engine-sdk-debug-x86_64-${version}/linux-engine-sdk-debug-x86_64-${version}.tar.gz";
+      sha256 = flutterEngineHash;
+    };
+
+    nativeBuildInputs = with pkgs; [gnutar gzip];
+
+    unpackPhase = ''
+      runHook preUnpack
+      mkdir -p $out
+      tar -xzf $src
+      mv flutter/engine/src/out/linux_debug_x64/engine-sdk/* $out/
+      runHook postUnpack
+    '';
+
+    meta = with lib; {
+      description = "Flutter engine libraries for Linux";
+      homepage = "https://flutter.dev";
+      license = licenses.bsd3;
+      platforms = platforms.linux;
+    };
+  };
+in
+{
+  packages = with pkgs; [
+    clang
+    cmake
+    ninja
+    pkg-config
+    rustc
+    cargo
+    rustfmt
+    clippy
+    rust-analyzer
+    gtk3
+    sysprof
+    libsysprof-capture
+    pcre2
+    openssl
+    systemd
+    seatd
+    unzip
+    jq
+    git
+    libxkbcommon libinput libgbm
+    xwayland
+    pulseaudio
+  ];
+
+  env = {
+    RUST_BACKTRACE = "1";
+    SKIP_FLUTTER_ENGINE_DOWNLOAD = "1";
+    FLUTTER_PATH = flutter;
+    FLUTTER_ENGINE_PATH = flutterEngine;
+    LIBCLANG_PATH = "${pkgs.libclang.lib}/lib";
+    LD_LIBRARY_PATH = "${pkgs.wayland}/lib:${pkgs.pulseaudio}/lib";
+  };
+
+  languages.dart = {
+    enable = true;
+    package = flutter;
+  };
+
+  enterShell = ''
+    echo "=== Flutter Installation ==="
+
+    # Symlink Flutter SDK
+    if [ -d ".flutter_sdk" ] && [ ! -L ".flutter_sdk" ]; then
+      echo "Removing existing .flutter_sdk directory..."
+      rm -rf .flutter_sdk
+    fi
+    echo "Linking Flutter SDK..."
+    ln -sfn ${flutter} .flutter_sdk
+
+    # Symlink Flutter Engine
+    echo "Linking Flutter Engine..."
+    mkdir -p extra/third_party/flutter_engine/debug
+    ln -sf "${flutterEngine}/lib/libflutter_engine.so" extra/third_party/flutter_engine/debug/libflutter_engine.so
+    ln -sf "${flutterEngine}/include/flutter_embedder.h" extra/third_party/flutter_engine/flutter_embedder.h
+
+    echo "=== Version Information ==="
+    echo "Flutter version: $(${flutter}/bin/flutter --version --machine | jq -r '.flutterVersion')"
+    echo "Dart version: $(${flutter}/bin/flutter --version --machine | jq -r '.dartSdkVersion')"
+    echo "Engine revision: $(${flutter}/bin/flutter --version --machine | jq -r '.engineRevision')"
+    echo "Channel: $(${flutter}/bin/flutter --version --machine | jq -r '.channel')"
+  '';
+}

devenv.yaml

@@ -0,0 +1,4 @@
+# yaml-language-server: $schema=https://devenv.sh/devenv.schema.json
+inputs:
+  nixpkgs:
+    url: github:cachix/devenv-nixpkgs/rolling