style: format entire depot with nixpkgs-fmt

This CL can be used to compare the style of nixpkgs-fmt against other
formatters (nixpkgs, alejandra).

Change-Id: I87c6abff6bcb546b02ead15ad0405f81e01b6d9e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4397
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Reviewed-by: wpcarro <wpcarro@gmail.com>
Reviewed-by: Profpatsch <mail@profpatsch.de>
Reviewed-by: kanepyork <rikingcoding@gmail.com>
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: cynthia <cynthia@tvl.fyi>
Reviewed-by: edef <edef@edef.eu>
Reviewed-by: eta <tvl@eta.st>
Reviewed-by: grfn <grfn@gws.fyi>

users/wpcarro/tools/url-blocker/default.nix

@@ -12,11 +12,11 @@ let
     name = "url-blocker";
     src = builtins.path { path = ./.; name = "url-blocker"; };
     buildPhase = ''
-    ${ghc}/bin/ghc Main.hs
-  '';
+      ${ghc}/bin/ghc Main.hs
+    '';
     installPhase = ''
-    mv ./Main $out
-  '';
+      mv ./Main $out
+    '';
   };
 
   # This is the systemd timer unit.
@@ -26,8 +26,9 @@ let
     systemd = {
       timers.simple-timer = {
         wantedBy = [ "timers.target" ];
-        partOf = [];
+        partOf = [ ];
       };
     };
   };
-in null
+in
+null