Run nixpkgs-fmt

flake.nix

@@ -20,7 +20,8 @@
           pkgs = nixpkgs.legacyPackages.${system};
           extraSpecialArgs = specialArgs;
         };
-    in {
+    in
+    {
       packages = {
         # We currently assume that all x86_64-linux devices only
         # require dotfiles. For now, this is mostly true :)
@@ -51,5 +52,12 @@
           };
         };
       };
+
+      formatter = {
+        aarch64-darwin = nixpkgs.legacyPackages.x86_64-darwin.nixpkgs-fmt;
+        x86_64-darwin = nixpkgs.legacyPackages.aarch64-darwin.nixpkgs-fmt;
+        aarch64-linux = nixpkgs.legacyPackages.x86_64-linux.nixpkgs-fmt;
+        x86_64-linux = nixpkgs.legacyPackages.aarch64-linux.nixpkgs-fmt;
+      };
     };
 }

home/home.nix

@@ -8,16 +8,19 @@ let
 
   # Whether to configure various programs to leverage GPG.
   gpg = specialArgs.gpg or false;
-in {
+in
+{
   # It's standard convention that Darwin has the username
   # "spot" - "spotlight" was reserved by the system at some point.
   # (Sigh... the downsides of sharing a namesake.)
-  home.username = if pkgs.stdenv.isDarwin then
+  home.username =
+    if pkgs.stdenv.isDarwin then
       "spot"
     else
       "spotlight";
 
-  home.homeDirectory = if pkgs.stdenv.isDarwin then
+  home.homeDirectory =
+    if pkgs.stdenv.isDarwin then
       "/Users/spot"
     else
       "/home/spotlight";

home/prompt.nix

@@ -9,7 +9,8 @@ let
     rev = "6554045b1184b213fdc9d731a45e8a75858291de";
     sha256 = "yhgowvJfxVdJE1yVYPWnJYvzhMsPc+HgkmDa++CcTDo=";
   };
-in {
+in
+{
   # Very opinionated :)
   programs.zsh = {
     enable = true;