fix: d4: pkgs.lua.withPackages operator precedence goes awry

2022/d4/.envrc

@@ -0,0 +1,4 @@
+if command -v nix-shell &> /dev/null
+    then
+    use flake
+fi

2022/d4/.gitignore

@@ -0,0 +1 @@
+.direnv

2022/d4/flake.lock

@@ -0,0 +1,43 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1670064435,
+        "narHash": "sha256-+ELoY30UN+Pl3Yn7RWRPabykwebsVK/kYE9JsIsUMxQ=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "61a8a98e6d557e6dd7ed0cdb54c3a3e3bbc5e25c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

2022/d4/flake.nix

@@ -0,0 +1,47 @@
+{
+  description = "D4 AOC with Lua!";
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+  outputs = { nixpkgs, flake-utils, ... } @ inputs:
+    flake-utils.lib.eachSystem flake-utils.lib.defaultSystems (sys:
+      let
+        overlays = [ ];
+        pkgs = import nixpkgs { system = sys; overlays = overlays; };
+        shellHookAfter = ''
+          echo "The input files should be placed under ./data/{submission,example}.txt
+          echo "This problem shares one input between two parts"
+        '';
+        py_pkgs = [ pkgs.python39 ];
+        lua_pkgs = [ (pkgs.lua.withPackages (luapkgs: [ luapkgs.busted luapkgs.luafilesystem ])) ];
+      in
+      {
+        # Jack of all trades
+        devShell = pkgs.mkShell {
+          nativeBuildInputs = py_pkgs ++ lua_pkgs;
+          shellHook = ''
+            echo "> Default runtime. This contains both lua and python3 env"
+            echo "Run ./run-py.sh for Python's output and ./run-lua.sh for Lua's output"
+          '' + shellHookAfter;
+        };
+        # devShells.${sys} = {
+        #   lua = pkgs.mkShell {
+        #     nativeBuildInputs = lua_pkgs;
+        #     shellHook = ''
+        #       echo "> Lua runtime"
+        #       echo "Run ./run-lua.sh to see solution's output"
+        #     '' + shellHookAfter;
+        #   };
+        #   python = pkgs.mkShell {
+        #     nativeBuildInputs = py_pkgs;
+        #     shellHook = ''
+        #       echo "> Python3 runtime"
+        #       echo "Run ./run-py.sh to see solution's output"
+        #     '' + shellHookAfter;
+        #
+        #   };
+        # };
+      }
+    );
+}