Fix Style/IdenticalConditionalBranches.

Library/.rubocop_todo.yml

@@ -188,11 +188,6 @@ Style/GuardClause:
     - 'Homebrew/utils/popen.rb'
     - 'Homebrew/version.rb'
 
-# Offense count: 2
-Style/IdenticalConditionalBranches:
-  Exclude:
-    - 'Homebrew/formula_lock.rb'
-
 # Offense count: 52
 # Cop supports --auto-correct.
 # Configuration parameters: MaxLineLength.

Library/Homebrew/formula_lock.rb

@@ -35,9 +35,8 @@ class FormulaLock
     if @lockfile.nil? || @lockfile.closed?
       @lockfile = @path.open(File::RDWR | File::CREAT)
       @lockfile.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC)
-      @lockfile
-    else
-      @lockfile
     end
+
+    @lockfile
   end
 end