Add nix devshell

.envrc

@@ -0,0 +1,3 @@
+if has nix; then
+  use flake
+fi

.gitignore

@@ -37,3 +37,4 @@ terraform-provider-tor
 dev/
 CLAUDE.md
 extra
+.direnv

flake.lock

@@ -0,0 +1,25 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1748693115,
+        "narHash": "sha256-StSrWhklmDuXT93yc3GrTlb0cKSS0agTAxMGjLKAsY8=",
+        "rev": "910796cabe436259a29a72e8d3f5e180fc6dfacc",
+        "revCount": 808478,
+        "type": "tarball",
+        "url": "https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.808478%2Brev-910796cabe436259a29a72e8d3f5e180fc6dfacc/01972ad6-3b3d-7826-b788-216d339063fe/source.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://flakehub.com/f/NixOS/nixpkgs/0.1"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,59 @@
+{
+  description = "terraform-provider-tor";
+  inputs = {
+    nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1"; # tracks nixpkgs unstable branch
+  };
+  outputs =
+    inputs:
+    let
+      supportedSystems = [
+        "x86_64-linux"
+      ];
+      forEachSupportedSystem =
+        f:
+        inputs.nixpkgs.lib.genAttrs supportedSystems (
+          system:
+          f {
+            pkgs = import inputs.nixpkgs {
+              inherit system;
+              overlays = [
+                inputs.self.overlays.default
+              ];
+            };
+            pkgs-mine = import inputs.nixpkgs-mine {
+              inherit system;
+              overlays = [
+                inputs.self.overlays.default
+              ];
+            };
+          }
+        );
+    in
+    {
+      overlays.default =
+        final: prev:
+        {
+        };
+
+      devShells = forEachSupportedSystem (
+        { pkgs, pkgs-mine }:
+        let
+          libraries = [
+          ];
+        in
+        {
+          default = pkgs.mkShell {
+            packages = [
+              pkgs.go
+              pkgs.golangci-lint
+              pkgs.obfs4
+            ];
+            buildInputs = libraries;
+            inputsFrom = libraries;
+            nativeBuildInputs = [ pkgs.pkg-config ];
+            env.LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath libraries;
+          };
+        }
+      );
+    };
+}