Add nix support

.github/workflows/build.yml

@@ -30,6 +30,14 @@ jobs:
     - name: Run tests
       run: go test
 
+    - name: Set up Nix
+      uses: cachix/install-nix-action@v27
+      with:
+        nix_path: nixpkgs=channel:nixos-unstable
+
+    - name: Build Nix Package
+      run: bash nix-test.sh
+
     - name: Run GoReleaser
       if: startsWith(github.ref, 'refs/tags/')
       uses: goreleaser/goreleaser-action@v4

README.md

@@ -33,3 +33,17 @@ Finally, follow the instructions to generate your first generated file.
 ```
 tf-generator generate
 ```
+
+### Nix Usage
+
+To use this library with [nix](https://nixos.org/), import the repository as an overlay.
+
+```
+let
+  tf-generator-overlay = import (builtins.fetchTarball https://github.com/jpnauta/tf-generator/archive/development.tar.gz);
+  pkgs = import <nixpkgs> { overlays = [ tf-generator-overlay ]; };
+in
+pkgs.mkShellNoCC {
+  buildInputs = with pkgs; [ tf-generator ];
+}
+```

default.nix

@@ -0,0 +1,17 @@
+final: prev:
+{
+  tf-generator = prev.buildGoModule {
+    name = "tf-generator";
+
+    src = ./.;
+
+    vendorHash = "sha256-TIDg83EHqgzL9QOOsgGPm6f50qvnFbZPHwVo6pBaPQQ=";
+
+    meta = {
+      description = "Simple generator for Terraform/OpenTofu";
+      homepage = "https://github.com/jpnauta/tf-generator";
+      license = prev.lib.licenses.mit;
+      maintainers = with prev.lib.maintainers; [ jpnauta ];
+    };
+  };
+}

nix-test.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+set -e
+
+nix-build -E 'let tf-generator-overlay = import ./.; pkgs = import <nixpkgs> { overlays = [ tf-generator-overlay ]; }; in pkgs.mkShellNoCC { buildInputs = with pkgs; [ tf-generator ]; }' --dry-run