Clean up code style and remove `.rubocop_todo.yml`.

3 files changed, 13 insertions, 7 deletions

diff --git a/Library/Homebrew/extend/ENV/super.rb b/Library/Homebrew/extend/ENV/super.rb
index b518c22a1..b4f0dfcac 100644
--- a/Library/Homebrew/extend/ENV/super.rb
+++ b/Library/Homebrew/extend/ENV/super.rb
@@ -24,8 +24,7 @@ module Superenv
   end
 
   # @private
-  def self.bin
-  end
+  def self.bin; end
 
   def reset
     super
@@ -324,11 +323,9 @@ module Superenv
     end
   end
 
-  def set_x11_env_if_installed
-  end
+  def set_x11_env_if_installed; end
 
-  def set_cpu_flags(*)
-  end
+  def set_cpu_flags(_, _ = "", _ = {}); end
 end
 
 require "extend/os/extend/ENV/super"
diff --git a/Library/Homebrew/extend/cachable.rb b/Library/Homebrew/extend/cachable.rb
new file mode 100644
index 000000000..69d86ccb7
--- /dev/null
+++ b/Library/Homebrew/extend/cachable.rb
@@ -0,0 +1,9 @@
+module Cachable
+  def cache
+    @cache ||= {}
+  end
+
+  def clear_cache
+    cache.clear
+  end
+end
diff --git a/Library/Homebrew/extend/pathname.rb b/Library/Homebrew/extend/pathname.rb
index e1acd1f77..e3d6880ba 100644
--- a/Library/Homebrew/extend/pathname.rb
+++ b/Library/Homebrew/extend/pathname.rb
@@ -186,7 +186,7 @@ class Pathname
       begin
         tf.chown(uid, gid)
         tf.chmod(old_stat.mode)
-      rescue Errno::EPERM
+      rescue Errno::EPERM # rubocop:disable Lint/HandleExceptions
       end
 
       File.rename(tf.path, self)