build: Convert nix devshell to flake

.envrc

@@ -1,2 +1,2 @@
-use nix
+use flake
 layout node

.gitignore

@@ -155,3 +155,6 @@ dist
 ### FontAwesome gitignore ###
 
 fontawesome-pro-6.3.0-web
+
+### direnv gitignore ###
+.direnv

default.nix

@@ -1,9 +0,0 @@
-{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/994e2ef9e9c70b4dd7257f73452a94e871723685.tar.gz") {} }:
-
-pkgs.mkShell {
-  buildInputs = [
-    pkgs.hugo
-    pkgs.nodejs
-    pkgs.git-crypt
-  ];
-}

flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1734017764,
+        "narHash": "sha256-msOfmyJSjAHgIygI/JD0Ae3JsDv4rT54Nlfr5t6MQMQ=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "64e9404f308e0f0a0d8cdd7c358f74e34802494b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,13 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let pkgs = import nixpkgs { inherit system; };
+      in with pkgs; {
+        devShells.default =
+          mkShell { buildInputs = [ hugo nodejs git-crypt ]; };
+      });
+}