audit: Fetch formula name from file path rather than class name in cops

Library/Homebrew/rubocops/conflicts_cop.rb

@@ -18,7 +18,7 @@ module RuboCop
 
         def audit_formula(_node, _class_node, _parent_class_node, body)
           return unless versioned_formula?
-          problem MSG if !formula_file_name.start_with?(*WHITELIST) &&
+          problem MSG if !@formula_name.start_with?(*WHITELIST) &&
                          method_called_ever?(body, :conflicts_with)
         end
       end

Library/Homebrew/rubocops/extend/formula_cop.rb

@@ -14,7 +14,7 @@ module RuboCop
         return unless formula_class?(node)
         return unless respond_to?(:audit_formula)
         class_node, parent_class_node, @body = *node
-        @formula_name = class_name(class_node)
+        @formula_name = Pathname.new(@file_path).basename(".rb").to_s
         audit_formula(node, class_node, parent_class_node, @body)
       end
 
@@ -404,12 +404,7 @@ module RuboCop
 
       # Returns true if the formula is versioned
       def versioned_formula?
-        formula_file_name.include?("@") || @formula_name.match(/AT\d+/)
+        @formula_name.include?("@")
-      end
-
-      # Returns filename of the formula without the extension
-      def formula_file_name
-        File.basename(processed_source.buffer.name, ".rb")
       end
 
       # Returns printable component name

Library/Homebrew/rubocops/lines_cop.rb

@@ -21,7 +21,7 @@ module RuboCop
           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)}"
+          problem "Use a space in class inheritance: class #{class_name(class_node)} < #{class_name(parent_class_node)}"
         end
       end
 
@@ -86,12 +86,13 @@ module RuboCop
           end
 
           find_method_with_args(body_node, :system, /^(otool|install_name_tool|lipo)$/) do
-            next if @formula_name == "Cctools"
+            next if @formula_name == "cctools"
             problem "Use ruby-macho instead of calling #{@offensive_node.source}"
           end
 
           find_every_method_call_by_name(body_node, :system).each do |method_node|
-            next if @formula_name =~ /^Kibana(\@\d+(\.\d+)?)?$/
+            # Skip Kibana: npm cache edge (see formula for more details)
+            next if @formula_name =~ /^kibana(\@\d+(\.\d+)?)?$/
             first_param, second_param = parameters(method_node)
             next if !node_equals?(first_param, "npm") ||
                     !node_equals?(second_param, "install")
@@ -115,8 +116,8 @@ module RuboCop
           end
 
           find_instance_method_call(body_node, :build, :universal?) do
-            next if @formula_name == "Wine"
+            next if @formula_name == "wine"
-            problem "macOS has been 64-bit only so build.universal? is deprecated."
+            problem "macOS has been 64-bit only since 10.6 so build.universal? is deprecated."
           end
 
           find_instance_method_call(body_node, "ENV", :universal_binary) do

Library/Homebrew/test/rubocops/conflicts_cop_spec.rb

@@ -22,7 +22,7 @@ describe RuboCop::Cop::FormulaAudit::Conflicts do
                               column: 2,
                               source: source }]
 
-      inspect_source(cop, source)
+      inspect_source(cop, source, "/homebrew-core/Formula/foo@2.0.rb")
 
       expected_offenses.zip(cop.offenses).each do |expected, actual|
         expect_offense(expected, actual)
@@ -36,7 +36,7 @@ describe RuboCop::Cop::FormulaAudit::Conflicts do
           desc 'Bar'
         end
       EOS
-      inspect_source(cop, source)
+      inspect_source(cop, source, "/homebrew-core/Formula/foo@2.0.rb")
       expect(cop.offenses).to eq([])
     end
   end

Library/Homebrew/test/rubocops/formula_desc_cop_spec.rb

@@ -37,7 +37,7 @@ describe RuboCop::Cop::FormulaAuditStrict::DescLength do
 
       msg = <<-EOS.undent
         Description is too long. "name: desc" should be less than 80 characters.
-        Length is calculated as Foo + desc. (currently 95)
+        Length is calculated as foo + desc. (currently 95)
       EOS
       expected_offenses = [{ message: msg,
                              severity: :convention,
@@ -45,7 +45,7 @@ describe RuboCop::Cop::FormulaAuditStrict::DescLength do
                              column: 2,
                              source: source }]
 
-      inspect_source(cop, source)
+      inspect_source(cop, source, "/homebrew-core/Formula/foo.rb")
       expected_offenses.zip(cop.offenses).each do |expected, actual|
         expect_offense(expected, actual)
       end
@@ -62,7 +62,7 @@ describe RuboCop::Cop::FormulaAuditStrict::DescLength do
 
       msg = <<-EOS.undent
         Description is too long. "name: desc" should be less than 80 characters.
-        Length is calculated as Foo + desc. (currently 98)
+        Length is calculated as foo + desc. (currently 98)
       EOS
       expected_offenses = [{ message: msg,
                              severity: :convention,
@@ -70,7 +70,7 @@ describe RuboCop::Cop::FormulaAuditStrict::DescLength do
                              column: 2,
                              source: source }]
 
-      inspect_source(cop, source)
+      inspect_source(cop, source, "/homebrew-core/Formula/foo.rb")
       expected_offenses.zip(cop.offenses).each do |expected, actual|
         expect_offense(expected, actual)
       end
@@ -156,7 +156,7 @@ describe RuboCop::Cop::FormulaAuditStrict::Desc do
                              column: 8,
                              source: source }]
 
-      inspect_source(cop, source)
+      inspect_source(cop, source, "/homebrew-core/Formula/foo.rb")
       expected_offenses.zip(cop.offenses).each do |expected, actual|
         expect_offense(expected, actual)
       end
@@ -176,7 +176,7 @@ describe RuboCop::Cop::FormulaAuditStrict::Desc do
         end
       EOS
 
-      corrected_source = autocorrect_source(cop, source)
+      corrected_source = autocorrect_source(cop, source, "/homebrew-core/Formula/foo.rb")
       expect(corrected_source).to eq(correct_source)
     end
   end