format all code with alejandra

overlays/i3status-rust/default.nix

@@ -1,5 +1,4 @@
-final: prev:
-{
+final: prev: {
   # overlay created because nixpkgs's `i3status-rust` depended on `notmuch`, and
   # `notmuch`'s tests were briefly broken. the features I'm disabling, I don't
   # need anyway: (at the time of writing)
@@ -8,13 +7,14 @@ final: prev:
   # - maildir
   i3status-rust = prev.i3status-rust.overrideAttrs (oldAttrs: {
     buildInputs = builtins.attrValues {
-      inherit (final)
+      inherit
+        (final)
         dbus
         lm_sensors
         openssl
         pulseaudio
-      ;
+        ;
     };
-    cargoBuildFeatures = [ "pulseaudio" ];
+    cargoBuildFeatures = ["pulseaudio"];
   });
 }