diff --git a/apple/default.nix b/apple/default.nix
index 6cc7a4c..4caad30 100644
--- a/apple/default.nix
+++ b/apple/default.nix
@@ -1,4 +1,11 @@
-{ lib, fetchurl, stdenvNoCC, unzip, ipsw, _7zz }:
+{
+  lib,
+  fetchurl,
+  stdenvNoCC,
+  unzip,
+  ipsw,
+  _7zz,
+}:
 let
   root = lib.importJSON ./assets.json;
 
@@ -32,30 +39,34 @@ let
       };
     };
   };
-in {
+in
+{
   extra = lib.mapAttrs' mkExtraFont root.extra;
   allExtra = (mkExtraFont "All Extra" root.all_extra).value;
 
-  base = let data = root.base;
-  in stdenvNoCC.mkDerivation {
-    pname = "macos-fonts-base";
-    version = with data; "${version}-${build}";
+  base =
+    let
+      data = root.base;
+    in
+    stdenvNoCC.mkDerivation {
+      pname = "macos-fonts-base";
+      version = with data; "${version}-${build}";
 
-    src = fetchurl { inherit (data) url hash; };
+      src = fetchurl { inherit (data) url hash; };
 
-    installPhase = ''
-      ${ipsw}/bin/ipsw extract $src --dmg fs
-      ${_7zz}/bin/7zz e -i'!4.apfs' ${data.build}*/*.dmg
+      installPhase = ''
+        ${ipsw}/bin/ipsw extract $src --dmg fs
+        ${_7zz}/bin/7zz e -i'!4.apfs' ${data.build}*/*.dmg
 
-      mkdir -p $out/share/fonts/apple
+        mkdir -p $out/share/fonts/apple
 
-      # This gives us some erros, ignore that
-      # Skipping overwrite because Apple has duplicate fonts for some reason
-      ${_7zz}/bin/7zz e -i'!System/Library/Fonts' \
-        -i'!System/Library/PrivateFrameworks/FontServices.framework/Versions/A/Resources/Fonts/ApplicationSupport' \
-        4.apfs -aos -o$out/share/fonts/apple || true
-    '';
+        # This gives us some erros, ignore that
+        # Skipping overwrite because Apple has duplicate fonts for some reason
+        ${_7zz}/bin/7zz e -i'!System/Library/Fonts' \
+          -i'!System/Library/PrivateFrameworks/FontServices.framework/Versions/A/Resources/Fonts/ApplicationSupport' \
+          4.apfs -aos -o$out/share/fonts/apple || true
+      '';
 
-    dontUnpack = true;
-  };
+      dontUnpack = true;
+    };
 }
diff --git a/flake.nix b/flake.nix
index 573530b..95c5d25 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,10 +10,17 @@
     };
   };
 
-  outputs = { self, nixpkgs, flake-utils, artemist }:
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      artemist,
+    }:
     with nixpkgs.lib;
     {
-      overlays.default = (final: prev:
+      overlays.default = (
+        final: prev:
         let
           localFonts = [
             {
@@ -125,31 +132,41 @@
               author = "Kontrapunkt";
             }
           ];
-          buildLocalFont = { name, files ? [ ], dir ? null, license, author }:
+          buildLocalFont =
+            {
+              name,
+              files ? [ ],
+              dir ? null,
+              license,
+              author,
+            }:
             let
               types = {
                 ttf = "truetype";
                 otf = "opentype";
               };
 
-              pathEndsWith = suffix: path:
+              pathEndsWith =
+                suffix: path:
                 let
                   str = toString path;
                   sufLen = stringLength suffix;
                   sLen = stringLength str;
-                in sufLen <= sLen && suffix
-                == substring (sLen - sufLen) sufLen str;
+                in
+                sufLen <= sLen && suffix == substring (sLen - sufLen) sufLen str;
 
-              copyType = extension: pathName:
+              copyType =
+                extension: pathName:
                 let
                   filteredFiles = filter (pathEndsWith ("." + extension)) files;
-                  filename = file:
-                    lists.last (strings.splitString "/" (toString file));
-                in (optionalString (filteredFiles != [ ]) ''
+                  filename = file: lists.last (strings.splitString "/" (toString file));
+                in
+                (optionalString (filteredFiles != [ ]) ''
                   mkdir -p $out/share/fonts/${pathName}
-                '') + concatStringsSep "\n" (map (file:
-                  "cp -v ${file} $out/share/fonts/${pathName}/${filename file}")
-                  filteredFiles);
+                '')
+                + concatStringsSep "\n" (
+                  map (file: "cp -v ${file} $out/share/fonts/${pathName}/${filename file}") filteredFiles
+                );
 
               copyTypeDir = extension: pathName: ''
                 if [ -n "$(shopt -s nullglob; echo ${dir}/*.${extension})" ]; then
@@ -158,10 +175,12 @@
                 fi
               '';
 
-            in final.stdenvNoCC.mkDerivation {
+            in
+            final.stdenvNoCC.mkDerivation {
               inherit name;
               dontUnpack = true;
-              installPhase = mapAttrsToList copyType types
+              installPhase =
+                mapAttrsToList copyType types
                 ++ optional (dir != null) (mapAttrsToList copyTypeDir types);
 
               passthru.font = true;
@@ -172,30 +191,48 @@
                 description = "${name} font by ${author}";
               };
             };
-        in {
-          extraFonts = listToAttrs (map (font: {
-            name = replaceStrings [ " " ] [ "-" ] (toLower font.name);
-            value = buildLocalFont font;
-          }) localFonts);
+        in
+        {
+          extraFonts = listToAttrs (
+            map (font: {
+              name = replaceStrings [ " " ] [ "-" ] (toLower font.name);
+              value = buildLocalFont font;
+            }) localFonts
+          );
           appleFonts = final.callPackage ./apple {
             ipsw = if final ? ipsw then final.ipsw else artemist.packages.${final.stdenv.system}.ipsw;
           };
-        });
-    } // flake-utils.lib.eachDefaultSystem (system:
+        }
+      );
+    }
+    // flake-utils.lib.eachDefaultSystem (
+      system:
       let
         pkgs = import nixpkgs {
           inherit system;
-          overlays = [ self.overlays.default artemist.overlays.default ];
+          overlays = [
+            self.overlays.default
+            artemist.overlays.default
+          ];
           config.allowUnfree = true;
         };
-      in {
-        packages = builtins.listToAttrs (map (name: {
-          inherit name;
-          value = pkgs.${name} // {
-            type = "derivation";
-            name = "dummy-attrset";
-          };
-        }) [ "extraFonts" "appleFonts" ]);
-        formatter = pkgs.nixfmt;
-      });
+      in
+      {
+        packages = builtins.listToAttrs (
+          map
+            (name: {
+              inherit name;
+              value = pkgs.${name} // {
+                type = "derivation";
+                name = "dummy-attrset";
+              };
+            })
+            [
+              "extraFonts"
+              "appleFonts"
+            ]
+        );
+        formatter = pkgs.nixfmt-rfc-style;
+      }
+    );
 }