env setup

.gitignore

@@ -0,0 +1,2 @@
+/.direnv/
+/.envrc

flake.lock

@@ -0,0 +1,26 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1666853718,
+        "narHash": "sha256-JMONvHaoRwUCedeYtCD+YLLeRLCperOAEDgwzTWatMU=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "bd545b559f0c573074a7fc37acba27be4be2dbeb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,14 @@
+{
+  inputs.nixpkgs.url = "github:nixos/nixpkgs";
+  outputs = { self, nixpkgs }:
+    let pkgs = nixpkgs.legacyPackages.x86_64-linux;
+    in {
+      devShell.x86_64-linux =
+        pkgs.mkShell { buildInputs = [
+                         pkgs.jdk11
+                         pkgs.gradle
+                         pkgs.gradle-completion
+                       ]; };
+   };
+
+}