refactor(nix): pass formatter to style app

src/dotfiles/apps.nix

@@ -1,7 +1,8 @@
 {
   inputs,
   lib,
-  formattingCheck,
+  formatter,
+  self,
   system,
 }:
 let
@@ -17,7 +18,7 @@ in
         pkgs.deadnix
       ];
       text = ''
-        test -e ${formattingCheck}
+        test -e ${formatter.config.build.check self}
         statix check .
         deadnix --fail --no-lambda-pattern-names --no-underscore .
       '';

src/dotfiles/default.nix

@@ -51,9 +51,10 @@ in
     inherit
       inputs
       lib
+      formatter
+      self
       system
       ;
-    formattingCheck = formatter.config.build.check self;
   };
 
   nixosConfigurations = import ./hosts.nix {