use alejandra from nixpkgs

checks/default.nix

···
 inputs: let
   pkgs = inputs.nixpkgs.legacyPackages.x86_64-linux;
-  apkgs = inputs.alejandra.packages.x86_64-linux;
 
-  callPackage = pkgs.lib.callPackageWith (pkgs // apkgs // {inherit (inputs) self;});
+  callPackage = pkgs.lib.callPackageWith (pkgs // {inherit (inputs) self;});
 in {
   alejandra = callPackage ./alejandra.nix {};
   statix = callPackage ./statix.nix {};

flake.lock

···
 {
   "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"
-      }
-    },
     "cargo2nix": {
       "inputs": {
         "flake-compat": "flake-compat_2",
···
         "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"
-      }
-    },
     "flake-compat": {
       "flake": false,
       "locked": {
···
         "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"
-      }
-    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
···
         "flake-compat": "flake-compat",
         "flake-parts": "flake-parts",
         "libgit2": "libgit2",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs",
         "nixpkgs-23-11": "nixpkgs-23-11",
         "nixpkgs-regression": "nixpkgs-regression",
         "pre-commit-hooks": "pre-commit-hooks"
···
     "nixos-vscode-server": {
       "inputs": {
         "flake-utils": "flake-utils_3",
-        "nixpkgs": "nixpkgs_3"
+        "nixpkgs": "nixpkgs_2"
       },
       "locked": {
         "lastModified": 1713958148,
···
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1657425264,
-        "narHash": "sha256-3aHvoI2e8vJKw3hvnHECaBpSsL5mxVsVtaLCnTdNcH8=",
-        "owner": "nixos",
+        "lastModified": 1717432640,
+        "narHash": "sha256-+f9c4/ZX5MWDOuB1rKoWj+lBNm0z0rs4CK47HBLxy1o=",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "de5b3dd17034e6106e75746e81618e5bd408de8a",
+        "rev": "88269ab3044128b7c2f4c7d68448b2fb50456870",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable-small",
+        "owner": "NixOS",
+        "ref": "release-24.05",
         "repo": "nixpkgs",
         "type": "github"
       }
···
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1717432640,
-        "narHash": "sha256-+f9c4/ZX5MWDOuB1rKoWj+lBNm0z0rs4CK47HBLxy1o=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "88269ab3044128b7c2f4c7d68448b2fb50456870",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "release-24.05",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
-      "locked": {
         "lastModified": 1682134069,
         "narHash": "sha256-TnI/ZXSmRxQDt2sjRYK/8j8iha4B4zP2cnQCZZ3vp7k=",
         "owner": "NixOS",
···
         "type": "indirect"
       }
     },
-    "nixpkgs_4": {
+    "nixpkgs_3": {
       "locked": {
         "lastModified": 1719075281,
         "narHash": "sha256-CyyxvOwFf12I91PBWz43iGT1kjsf5oi6ax7CrvaMyAo=",
···
         "type": "github"
       }
     },
-    "nixpkgs_5": {
+    "nixpkgs_4": {
       "locked": {
         "lastModified": 1718606988,
         "narHash": "sha256-pmjP5ePc1jz+Okona3HxD7AYT0wbrCwm9bXAlj08nDM=",
···
         "type": "github"
       }
     },
-    "nixpkgs_6": {
+    "nixpkgs_5": {
       "locked": {
         "lastModified": 1718983919,
         "narHash": "sha256-+1xgeIow4gJeiwo4ETvMRvWoircnvb0JOt7NS9kUhoM=",
···
         "type": "github"
       }
     },
-    "nixpkgs_7": {
+    "nixpkgs_6": {
       "locked": {
         "lastModified": 1681358109,
         "narHash": "sha256-eKyxW4OohHQx9Urxi7TQlFBTDWII+F+x2hklDOQPB50=",
···
     },
     "nvim": {
       "inputs": {
-        "nixpkgs": "nixpkgs_5",
+        "nixpkgs": "nixpkgs_4",
         "parts": "parts"
       },
       "locked": {
···
     },
     "root": {
       "inputs": {
-        "alejandra": "alejandra",
         "emacs": "emacs",
         "home-manager": "home-manager",
         "nix": "nix",
         "nixos-vscode-server": "nixos-vscode-server",
-        "nixpkgs": "nixpkgs_4",
+        "nixpkgs": "nixpkgs_3",
         "nixpkgs-insync-v3": "nixpkgs-insync-v3",
         "nvim": "nvim",
         "parts": "parts_2",
···
         "switcher": "switcher"
       }
     },
-    "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"
-      }
-    },
     "rust-overlay": {
       "inputs": {
         "flake-utils": "flake-utils_5",
-        "nixpkgs": "nixpkgs_7"
+        "nixpkgs": "nixpkgs_6"
       },
       "locked": {
         "lastModified": 1687746941,
···
     },
     "sops-nix": {
       "inputs": {
-        "nixpkgs": "nixpkgs_6",
+        "nixpkgs": "nixpkgs_5",
         "nixpkgs-stable": "nixpkgs-stable_2"
       },
       "locked": {

flake.nix

···
     nixos-vscode-server.url = "github:msteen/nixos-vscode-server";
 
     sops-nix.url = "github:Mic92/sops-nix";
-
-    alejandra.url = "github:kamadorueda/alejandra/3.0.0";
   };
 }

packages/default.nix

···
         emacs = epkgs.emacs-unstable;
         "rofi/unicode" = upkgs.callPackage ./rofi-unicode {};
         "zx" = upkgs.nodePackages.zx;
-
-        alejandra = inputs'.alejandra.packages.default;
       }
       (lib.mkIf pkgs.stdenv.isLinux {
         inherit (inputs'.switcher.packages) switcher;

parts/auxiliary.nix

···
     system,
     ...
   }: {
-    formatter = self.packages.${system}.alejandra;
+    formatter = pkgs.alejandra;
 
     apps.rotate.program = let
       sopsrotate = pkgs.writeShellScript "sops-rotate" ''
···
 
     devShells.default = pkgs.mkShell {
       packages = builtins.attrValues {
-        inherit (self'.packages) alejandra;
-        inherit (inputs'.nixpkgs.legacyPackages) npins sops age ssh-to-age nil;
+        inherit (pkgs) npins sops age ssh-to-age nil alejandra;
       };
     };
   };