treewide: format with nixpkgs-fmt

extern/default.nix

@@ -25,6 +25,5 @@
   ];
 
   # passed to all home-manager modules
-  userSpecialArgs = {
-  };
+  userSpecialArgs = { };
 }

flake.nix

@@ -32,7 +32,8 @@
     let
       lib = import ./lib { inherit self nixos inputs; };
     in
-        lib.mkFlake {
+    lib.mkFlake
+      {
         inherit self;
         hosts = ./hosts;
         packages = import ./pkgs;

lib/mkFlake/default.nix

@@ -43,7 +43,8 @@ let
           tests = nixos.lib.optionalAttrs (system == "x86_64-linux")
             (import "${self}/tests" { inherit self pkgs; });
           deployHosts = nixos.lib.filterAttrs
-            (n: _: self.nixosConfigurations.${n}.config.nixpkgs.system == system) self.deploy.nodes;
+            (n: _: self.nixosConfigurations.${n}.config.nixpkgs.system == system)
+            self.deploy.nodes;
           deployChecks = deploy.lib.${system}.deployChecks { nodes = deployHosts; };
         in
         nixos.lib.recursiveUpdate tests deployChecks;

lib/mkFlake/evalArgs.nix

@@ -107,8 +107,11 @@ let
         extern =
           let
             defaults = {
-              modules = []; overlays = []; specialArgs = {};
-              userModules = []; userSpecialArgs = {};
+              modules = [ ];
+              overlays = [ ];
+              specialArgs = { };
+              userModules = [ ];
+              userSpecialArgs = { };
             };
           in
           mkOption {

tests/profiles/t/default.nix

@@ -0,0 +1 @@
+