Fix Rubocop warnings (without brew style --fix)

Library/Homebrew/diagnostic.rb

@@ -748,15 +748,13 @@ module Homebrew
 
       def check_for_unlinked_but_not_keg_only
         unlinked = Formula.racks.reject do |rack|
-          if (HOMEBREW_LINKED_KEGS/rack.basename).directory?
-            true
-          else
+          next true if (HOMEBREW_LINKED_KEGS/rack.basename).directory?
+
           begin
             Formulary.from_rack(rack).keg_only?
           rescue FormulaUnavailableError, TapFormulaAmbiguityError
             false
           end
-          end
         end.map(&:basename)
         return if unlinked.empty?
 

Library/Homebrew/formula_installer.rb

@@ -809,11 +809,8 @@ on_request: installed_on_request?, options:)
     options |= inherited_options
     options &= df.options
 
-    installed_on_request = if df.any_version_installed? && tab.present? && tab.installed_on_request
-      true
-    else
-      false
-    end
+    installed_on_request = df.any_version_installed? && tab.present? && tab.installed_on_request
+    installed_on_request ||= false
 
     fi = FormulaInstaller.new(
       df,

Library/Homebrew/locale.rb

@@ -81,13 +81,11 @@ class Locale
     end
 
     [:language, :script, :region].all? do |var|
-      if other.public_send(var).nil?
-        true
-      else
+      next true if other.public_send(var).nil?
+
       public_send(var) == other.public_send(var)
     end
   end
-  end
 
   def eql?(other)
     unless other.is_a?(self.class)

Library/Homebrew/style.rb

@@ -85,21 +85,15 @@ module Homebrew
         run_shellcheck(shell_files, output_type, fix:)
       end
 
-      shfmt_result = if files.present? && shell_files.empty?
-        true
-      else
-        run_shfmt(shell_files, fix:)
-      end
+      shfmt_result = files.present? && shell_files.empty?
+      shfmt_result ||= run_shfmt(shell_files, fix:)
 
       has_actionlint_workflow = actionlint_files.any? do |path|
         path.to_s.end_with?("/.github/workflows/actionlint.yml")
       end
       odebug "actionlint workflow detected. Skipping actionlint checks." if has_actionlint_workflow
-      actionlint_result = if files.present? && (has_actionlint_workflow || actionlint_files.empty?)
-        true
-      else
-        run_actionlint(actionlint_files)
-      end
+      actionlint_result = files.present? && (has_actionlint_workflow || actionlint_files.empty?)
+      actionlint_result ||= run_actionlint(actionlint_files)
 
       if output_type == :json
         Offenses.new(rubocop_result + shellcheck_result)

Library/Homebrew/utils/analytics.rb

@@ -71,9 +71,6 @@ module Utils
       def report_package_event(measurement, package_name:, tap_name:, on_request: false, options: "")
         return if not_this_run? || disabled?
 
-        # ensure on_request is a boolean
-        on_request = on_request ? true : false
-
         # ensure options are removed (by `.compact` below) if empty
         options = nil if options.blank?
 
@@ -137,9 +134,6 @@ module Utils
         return if not_this_run? || disabled?
         return if ENV["HOMEBREW_TEST_BOT_ANALYTICS"].blank?
 
-        # ensure passed is a boolean
-        passed = passed ? true : false
-
         # Tags must have low cardinality.
         tags = {
           passed:,

Library/Homebrew/utils/pypi.rb

@@ -340,11 +340,8 @@ module PyPI
     show_info = !print_only && !silent
     ohai "Retrieving PyPI dependencies for \"#{input_packages.join(" ")}\"..." if show_info
 
-    print_stderr = if verbose && show_info
-      true
-    else
-      false
-    end
+    print_stderr = verbose && show_info
+    print_stderr ||= false
 
     found_packages = pip_report(input_packages, python_name:, print_stderr:)
     # Resolve the dependency tree of excluded packages to prune the above