flake'ify shell.nix

.envrc

@@ -1 +1 @@
-use nix
+use flake

flake.lock

@@ -59,6 +59,21 @@
       }
     },
     "flake-utils": {
+      "locked": {
+        "lastModified": 1649676176,
+        "narHash": "sha256-OWKJratjt2RW151VUlJPRALb7OU2S5s+f0vLj4o1bHM=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "a4b154ebbdc88c8498a5c7b01589addc9e9cb678",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
       "locked": {
         "lastModified": 1619345332,
         "narHash": "sha256-qHnQkEp1uklKTpx3MvKtY6xzgcqXDsz5nLilbbuL+3A=",
@@ -73,7 +88,7 @@
         "type": "github"
       }
     },
-    "flake-utils_2": {
+    "flake-utils_3": {
       "locked": {
         "lastModified": 1644229661,
         "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
@@ -148,7 +163,7 @@
     },
     "neovim-flake": {
       "inputs": {
-        "flake-utils": "flake-utils_2",
+        "flake-utils": "flake-utils_3",
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
@@ -383,7 +398,7 @@
     },
     "pre-commit-hooks-nix": {
       "inputs": {
-        "flake-utils": "flake-utils",
+        "flake-utils": "flake-utils_2",
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
@@ -404,6 +419,7 @@
     "root": {
       "inputs": {
         "darwin": "darwin",
+        "flake-utils": "flake-utils",
         "hercules-ci-agent": "hercules-ci-agent",
         "himalaya": "himalaya",
         "home-manager": "home-manager",

flake.nix

@@ -6,6 +6,8 @@
     darwin.url = "github:lnl7/nix-darwin/master";
     darwin.inputs.nixpkgs.follows = "nixpkgs";
 
+    flake-utils.url = "github:numtide/flake-utils";
+    flake-utils.inputs.nixpkgs.follows = "nixpkgs";
     nixos-hardware.url = github:NixOS/nixos-hardware/master;
     home-manager.url = "github:nix-community/home-manager";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
@@ -163,6 +165,22 @@
           air = defaultMacosSystem;
           sky = defaultMacosSystem;
         };
-    };
+
+
+    } //
+    inputs.flake-utils.lib.eachSystem [ "x86_64-linux" "aarch64-darwin" ] (system:
+      let pkgs = nixpkgs.legacyPackages.${system};
+      in
+      {
+        devShell = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            treefmt
+            nixpkgs-fmt
+            # To enable webhint to analyze source files
+            nodejs
+          ];
+        };
+      }
+    );
 
 }

shell.nix

@@ -1,9 +0,0 @@
-{ pkgs ? import <nixpkgs> { }, ... }:
-pkgs.mkShell {
-  buildInputs = with pkgs; [
-    treefmt
-    nixpkgs-fmt
-    # To enable webhint to analyze source files
-    nodejs
-  ];
-}