Merge pull request #668 from veselyn/terraform-validate-package

feat(terraform-validate): support both opentofu and terraform

Author: sandydoo

README.md

@@ -470,8 +470,16 @@ use nix
 
 ### Terraform
 
-- `terraform-format`: built-in formatter (using [OpenTofu](https://opentofu.org/)'s [`fmt`](https://opentofu.org/docs/cli/commands/fmt/))
-- `terraform-validate`: built-in validator (using [OpenTofu](https://opentofu.org/)'s [`validate`](https://opentofu.org/docs/cli/commands/validate/))
+- `terraform-format`: built-in formatter (using
+  [OpenTofu](https://opentofu.org/)'s
+  [`fmt`](https://opentofu.org/docs/cli/commands/fmt/) or
+  [Terraform](https://developer.hashicorp.com/terraform)'s
+  [`fmt`](https://developer.hashicorp.com/terraform/cli/commands/fmt))
+- `terraform-validate`: built-in validator (using
+  [OpenTofu](https://opentofu.org/)'s
+  [`validate`](https://opentofu.org/docs/cli/commands/validate/)
+  [Terraform](https://developer.hashicorp.com/terraform)'s
+  [`validate`](https://developer.hashicorp.com/terraform/cli/commands/validate))
 - [tflint](https://github.com/terraform-linters/tflint)
 
 ### TOML

modules/hooks.nix

@@ -4126,8 +4126,24 @@ lib.escapeShellArgs (lib.concatMap (ext: [ "--ghc-opt" "-X${ext}" ]) hooks.fourm
         {
           name = "terraform-validate";
           description = "Validates terraform configuration files (`.tf`).";
-          package = tools.terraform-validate;
-          entry = "${hooks.terraform-validate.package}/bin/terraform-validate";
+          package = tools.opentofu;
+          entry =
+            let
+              terraform-validate = pkgs.writeScriptBin "terraform-validate" ''
+                #!/usr/bin/env bash
+                set -x
+                for arg in "$@"; do
+                  dirname "$arg"
+                done \
+                  | sort \
+                  | uniq \
+                  | while read dir; do
+                      ${lib.getExe hooks.terraform-validate.package} -chdir="$dir" init
+                      ${lib.getExe hooks.terraform-validate.package} -chdir="$dir" validate
+                    done
+              '';
+            in
+            "${terraform-validate}/bin/terraform-validate";
           files = "\\.(tf(vars)?|terraform\\.lock\\.hcl)$";
           excludes = [ "\\.terraform/.*$" ];
           require_serial = true;

nix/terraform-validate/default.nix

@@ -232,7 +232,6 @@ in
   cabal2nix-dir = callPackage ./cabal2nix-dir { };
   hpack-dir = callPackage ./hpack-dir { };
   hunspell = callPackage ./hunspell { };
-  terraform-validate = callPackage ./terraform-validate { };
   tflint = callPackage ./tflint { };
   dune-build-opam-files = callPackage ./dune-build-opam-files {
     dune = dune_3;