1 files changed, 54 insertions, 0 deletions
diff --git a/Library/Homebrew/rubocops/lines_cop.rb b/Library/Homebrew/rubocops/lines_cop.rb
index 22039869b..ed50ba49c 100644
--- a/Library/Homebrew/rubocops/lines_cop.rb
+++ b/Library/Homebrew/rubocops/lines_cop.rb
@@ -15,6 +15,60 @@ module RuboCop
           problem ":tex is deprecated" if depends_on?(:tex)
         end
       end
+
+      class ClassInheritance < FormulaCop
+        def audit_formula(_node, class_node, parent_class_node, _body_node)
+          begin_pos = start_column(parent_class_node)
+          end_pos = end_column(class_node)
+          return unless begin_pos-end_pos != 3
+          problem "Use a space in class inheritance: class #{@formula_name} < #{class_name(parent_class_node)}"
+        end
+      end
+
+      class Comments < FormulaCop
+        def audit_formula(_node, _class_node, _parent_class_node, _body_node)
+          audit_comments do |comment|
+            [
+              "# PLEASE REMOVE",
+              "# Documentation:",
+              "# if this fails, try separate make/make install steps",
+              "# The URL of the archive",
+              "## Naming --",
+              "# if your formula requires any X11/XQuartz components",
+              "# if your formula fails when building in parallel",
+              "# Remove unrecognized options if warned by configure",
+              '# system "cmake',
+            ].each do |template_comment|
+              next unless comment.include?(template_comment)
+              problem "Please remove default template comments"
+              break
+            end
+          end
+
+          audit_comments do |comment|
+            # Commented-out depends_on
+            next unless comment =~ /#\s*depends_on\s+(.+)\s*$/
+            problem "Commented-out dependency #{Regexp.last_match(1)}"
+          end
+        end
+      end
+
+      class Miscellaneous < FormulaCop
+        def audit_formula(_node, _class_node, _parent_class_node, body_node)
+          # FileUtils is included in Formula
+          # encfs modifies a file with this name, so check for some leading characters
+          find_instance_method_call(body_node, "FileUtils", nil) do |method_node|
+            problem "Don't need 'FileUtils.' before #{method_node.method_name}"
+          end
+
+          # Check for long inreplace block vars
+          find_all_blocks(body_node, :inreplace) do |node|
+            block_arg = node.arguments.children.first
+            next unless block_arg.source.size>1
+            problem "\"inreplace <filenames> do |s|\" is preferred over \"|#{block_arg.source}|\"."
+          end
+        end
+      end
     end
   end
 end