Add flake.nix

.envrc

@@ -0,0 +1,5 @@
+# SPDX-FileCopyrightText: 2024 Foundation Devices Inc.
+#
+# SPDX-License-Identifier: MIT
+
+use flake

.reuse/dep5

@@ -34,3 +34,7 @@ License: MIT
 Files: CHANGELOG.md
 Copyright: 2024 Foundation Devices Inc.
 License: MIT
+
+Files: flake.lock
+Copyright: 2024 Foundation Devices Inc.
+License: MIT

flake.nix

@@ -0,0 +1,82 @@
+# SPDX-FileCopyrightText: 2024 Foundation Devices Inc.
+#
+# SPDX-License-Identifier: MIT
+{
+  description = "tor - Flutter plugin for managing a Tor proxy via arti";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      rust-overlay,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        overlays = [ (import rust-overlay) ];
+        pkgs = import nixpkgs { inherit system overlays; };
+
+        rustToolchain = pkgs.rust-bin.stable."1.87.0".default;
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          buildInputs =
+            with pkgs;
+            [
+              # Dart / Flutter
+              dart
+              flutter
+
+              # Rust (pinned to rust-toolchain)
+              rustToolchain
+
+              # Native build tools
+              cmake
+              ninja
+              pkg-config
+
+              # For ffigen (libclang)
+              libclang
+              llvmPackages.libclang
+
+              # Just (task runner)
+              just
+
+              # Useful for Rust development
+              cargo-ndk
+            ]
+            ++ pkgs.lib.optionals pkgs.stdenv.isLinux [
+              # Linux desktop build deps (GTK runner)
+              gtk3
+              pcre2
+              util-linux
+              libselinux
+              libsepol
+              libthai
+              libdatrie
+              libxkbcommon
+              libxdmcp
+              lerc
+              libdeflate
+              at-spi2-core
+              dbus
+              libepoxy
+            ];
+
+          shellHook = ''
+            export LIBCLANG_PATH="${pkgs.llvmPackages.libclang.lib}/lib"
+          '';
+        };
+      }
+    );
+}