trying to get fmt to work

flake.lock

@@ -1,6 +1,81 @@
 {
   "nodes": {
+    "alejandra": {
+      "inputs": {
+        "fenix": "fenix",
+        "flakeCompat": "flakeCompat",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1660592437,
+        "narHash": "sha256-xFumnivtVwu5fFBOrTxrv6fv3geHKF04RGP23EsDVaI=",
+        "owner": "kamadorueda",
+        "repo": "alejandra",
+        "rev": "e7eac49074b70814b542fee987af2987dd0520b5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "kamadorueda",
+        "ref": "3.0.0",
+        "repo": "alejandra",
+        "type": "github"
+      }
+    },
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "alejandra",
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1657607339,
+        "narHash": "sha256-HaqoAwlbVVZH2n4P3jN2FFPMpVuhxDy1poNOR7kzODc=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "b814c83d9e6aa5a28d0cf356ecfdafb2505ad37d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flakeCompat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1650374568,
+        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
+      "locked": {
+        "lastModified": 1657425264,
+        "narHash": "sha256-3aHvoI2e8vJKw3hvnHECaBpSsL5mxVsVtaLCnTdNcH8=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "de5b3dd17034e6106e75746e81618e5bd408de8a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable-small",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
       "locked": {
         "lastModified": 1695837737,
         "narHash": "sha256-KcqmJ5hNacLuE7fkz5586kp/vt4NLo6+Prq3DMgrxpQ=",
@@ -16,10 +91,28 @@
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs",
+        "alejandra": "alejandra",
+        "nixpkgs": "nixpkgs_2",
         "utils": "utils"
       }
     },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1657557289,
+        "narHash": "sha256-PRW+nUwuqNTRAEa83SfX+7g+g8nQ+2MMbasQ9nt6+UM=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "caf23f29144b371035b864a1017dbc32573ad56d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,

flake.nix

@@ -3,13 +3,14 @@
 
   inputs = {
     utils.url = "github:numtide/flake-utils";
+    alejandra.url = "github:kamadorueda/alejandra/3.0.0";
   };
 
-  outputs = { self, nixpkgs, utils }: utils.lib.eachDefaultSystem (system:
+  outputs = { self, nixpkgs, utils, alejandra}: utils.lib.eachDefaultSystem (system:
     let
       pkgs = nixpkgs.legacyPackages."${system}";
     in {
-      formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.alejandra;
+      packages.formatter = alejandra.defaultPackage.${system};
       defaultPackage = pkgs.stdenv.mkDerivation {
         name = "skynet-wiki";
         src = self;