Add OPA dev

README.md

@@ -27,22 +27,23 @@ Once your preferred template has been initialized, you can use the provided shel
 
 ## Available templates
 
-| Language/framework/tool | Template                  |
+| Language/framework/tool  | Template                  |
-| :---------------------- | :------------------------ |
+| :----------------------- | :------------------------ |
-| [Dhall]                 | [`dhall`](./dhall/)       |
+| [Dhall]                  | [`dhall`](./dhall/)       |
-| [Elixir]                | [`elixir`](./elixir/)     |
+| [Elixir]                 | [`elixir`](./elixir/)     |
-| [Gleam]                 | [`gleam`](./gleam/)       |
+| [Gleam]                  | [`gleam`](./gleam/)       |
-| [Go] 1.17               | [`go1_17`](./go1.17/)     |
+| [Go] 1.17                | [`go1_17`](./go1.17/)     |
-| [Go] 1.18               | [`go1_18`](./go1.18/)     |
+| [Go] 1.18                | [`go1_18`](./go1.18/)     |
-| [Hashicorp] tools       | [`hashi`](./hashi/)       |
+| [Hashicorp] tools        | [`hashi`](./hashi/)       |
-| [Java]                  | [`java`](./java/)         |
+| [Java]                   | [`java`](./java/)         |
-| [Kotlin]                | [`kotlin`](./kotlin/)     |
+| [Kotlin]                 | [`kotlin`](./kotlin/)     |
-| [Nix]                   | [`nix`](./nix/)           |
+| [Nix]                    | [`nix`](./nix/)           |
-| [Node.js][node]         | [`node`](./node/)         |
+| [Node.js][node]          | [`node`](./node/)         |
-| [Protobuf]              | [`protobuf`](./protobuf/) |
+| [Open Policy Agent][opa] | [`opa`](./opa)            |
-| [Rust]                  | [`rust`](./rust/)         |
+| [Protobuf]               | [`protobuf`](./protobuf/) |
-| [Scala]                 | [`scala`](./scala/)       |
+| [Rust]                   | [`rust`](./rust/)         |
-| [Zig]                   | [`zig`](./zig/)           |
+| [Scala]                  | [`scala`](./scala/)       |
+| [Zig]                    | [`zig`](./zig/)           |
 
 ## Template contents
 
@@ -138,6 +139,11 @@ The sections below list what each template includes. In all cases, you're free t
 - [pnpm] 7.3.0
 - [Yarn] 1.22.19
 
+### [`opa`](./opa/)
+
+- [Open Policy Agent][opa] 0.43.0
+- [Conftest] 0.33.2
+
 ### [`protobuf`](./protobuf/)
 
 - The [Buf CLI][buf] 1.7.0
@@ -205,6 +211,7 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 [nomad]: https://nomadproject.io
 [nomad-autoscaler]: TOhttps://github.com/hashicorp/nomad-autoscaler
 [nomad-pack]: https://github.com/hashicorp/nomad-pack
+[opa]: https://openpolicyagent.org
 [packer]: https://packer.io
 [phoenix]: https://phoenixframework.org
 [pnpm]: https://pnpm.io

flake.nix

@@ -109,6 +109,11 @@
           description = "Node.js development environment";
         };
 
+        opa = {
+          path = ./opa;
+          description = "Open Policy Agent development environment";
+        };
+
         protobuf = {
           path = ./protobuf;
           description = "Protobuf development environment";

opa/.envrc

@@ -0,0 +1 @@
+use flake .

opa/flake.lock

@@ -0,0 +1,60 @@
+{
+  "nodes": {
+    "dev": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1659291915,
+        "narHash": "sha256-W1on31THSVnqFf/eC8wxP+oGu1jRpFb7K419w21ijNc=",
+        "owner": "the-nix-way",
+        "repo": "dev-templates",
+        "rev": "41e9f202186994255e28bfa4c518e0c9ffce2bb5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "the-nix-way",
+        "repo": "dev-templates",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1656928814,
+        "narHash": "sha256-RIFfgBuKz6Hp89yRr7+NR5tzIAbn52h8vT6vXkYjZoM=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "7e2a3b3dfd9af950a856d66b0a7d01e3c18aa249",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1659291823,
+        "narHash": "sha256-8GrIQYelrtzEAXDWdfHpAodwrjL08mVES7nRDXSF9fE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4a778d9b98941fe28f0ac4b8400749a16dbb03fe",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "dev": "dev"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

opa/flake.nix

@@ -0,0 +1,25 @@
+{
+  description = "A Nix-flake-based Protobuf development environment";
+
+  inputs = { dev.url = "github:the-nix-way/dev-templates"; };
+
+  outputs = { self, dev }:
+    let inherit (dev.lib) flake-utils nixpkgs;
+    in flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+        inherit (pkgs) conftest mkShell open-policy-agent;
+
+        opaTools = [ conftest open-policy-agent ];
+      in {
+        devShells = {
+          default = mkShell {
+            buildInputs = opaTools;
+
+            shellHook = ''
+              ${open-policy-agent}/bin/opa version
+            '';
+          };
+        };
+      });
+}