feat: format via 'ls **/*.nix | each { |it| nixfmt $it.name }'

outputs/aarch64-darwin/default.nix

@@ -2,7 +2,8 @@
   lib,
   inputs,
   ...
-} @ args: let
+}@args:
+let
   inherit (inputs) haumea;
 
   # Contains all the flake outputs of this system architecture.
@@ -15,16 +16,20 @@
 
   # Merge all the machine's data into a single attribute set.
   outputs = {
-    darwinConfigurations = lib.attrsets.mergeAttrsList (map (it: it.darwinConfigurations or {}) dataWithoutPaths);
+    darwinConfigurations = lib.attrsets.mergeAttrsList (
+      map (it: it.darwinConfigurations or { }) dataWithoutPaths
+    );
   };
 in
-  outputs
-  // {
-    inherit data; # for debugging purposes
+outputs
+// {
+  inherit data; # for debugging purposes
 
-    # NixOS's unit tests.
-    evalTests = haumea.lib.loadEvalTests {
-      src = ./tests;
-      inputs = args // {inherit outputs;};
+  # NixOS's unit tests.
+  evalTests = haumea.lib.loadEvalTests {
+    src = ./tests;
+    inputs = args // {
+      inherit outputs;
     };
-  }
+  };
+}

outputs/aarch64-darwin/src/fern.nix

@@ -9,7 +9,8 @@
   system,
   genSpecialArgs,
   ...
-} @ args: let
+}@args:
+let
   name = "fern";
 
   modules = {
@@ -34,7 +35,8 @@
   };
 
   systemArgs = modules // args;
-in {
+in
+{
   # macOS's configuration
   darwinConfigurations.${name} = mylib.macosSystem systemArgs;
 }

outputs/aarch64-darwin/src/frieren.nix

@@ -9,7 +9,8 @@
   system,
   genSpecialArgs,
   ...
-} @ args: let
+}@args:
+let
   name = "frieren";
 
   modules = {
@@ -33,7 +34,8 @@
   };
 
   systemArgs = modules // args;
-in {
+in
+{
   # macOS's configuration
   darwinConfigurations.${name} = mylib.macosSystem systemArgs;
 }

outputs/aarch64-darwin/tests/home-manager/expected.nix

@@ -1,11 +1,12 @@
 {
   myvars,
   lib,
-}: let
+}:
+let
   username = myvars.username;
   hosts = [
     "fern"
     "frieren"
   ];
 in
-  lib.genAttrs hosts (_: "/Users/${username}")
+lib.genAttrs hosts (_: "/Users/${username}")

outputs/aarch64-darwin/tests/home-manager/expr.nix

@@ -2,15 +2,14 @@
   myvars,
   lib,
   outputs,
-}: let
+}:
+let
   username = myvars.username;
   hosts = [
     "fern"
     "frieren"
   ];
 in
-  lib.genAttrs
-  hosts
-  (
-    name: outputs.darwinConfigurations.${name}.config.home-manager.users.${username}.home.homeDirectory
-  )
+lib.genAttrs hosts (
+  name: outputs.darwinConfigurations.${name}.config.home-manager.users.${username}.home.homeDirectory
+)

outputs/aarch64-darwin/tests/hostname/expected.nix

@@ -1,8 +1,9 @@
 {
   lib,
   outputs,
-}: let
+}:
+let
   hostsNames = builtins.attrNames outputs.darwinConfigurations;
   expected = lib.genAttrs hostsNames (name: name);
 in
-  expected
+expected

outputs/aarch64-darwin/tests/hostname/expr.nix

@@ -2,8 +2,6 @@
   lib,
   outputs,
 }:
-lib.genAttrs
-(builtins.attrNames outputs.darwinConfigurations)
-(
+lib.genAttrs (builtins.attrNames outputs.darwinConfigurations) (
   name: outputs.darwinConfigurations.${name}.config.networking.hostName
 )