generated.rb in github-linguist-6.3.0

- old
+ new

@@ -86,10 +86,11 @@
       generated_grammarkit? ||
       generated_roxygen2? ||
       generated_jison? ||
       generated_yarn_lock? ||
       generated_grpc_cpp? ||
+      generated_dart? ||
       generated_perl_ppport_header?
     end
 
     # Internal: Is the blob an Xcode file?
     #
@@ -291,11 +292,11 @@
       return false unless lines.count > 1
 
       return lines[0].include?("Code generated by")
     end
 
-    PROTOBUF_EXTENSIONS = ['.py', '.java', '.h', '.cc', '.cpp']
+    PROTOBUF_EXTENSIONS = ['.py', '.java', '.h', '.cc', '.cpp', '.rb']
 
     # Internal: Is the blob a C++, Java or Python source file generated by the
     # Protocol Buffer compiler?
     #
     # Returns true of false.
@@ -540,9 +541,26 @@
     # Return true or false
     def generated_grpc_cpp?
       return false unless %w{.cpp .hpp .h .cc}.include? extname
       return false unless lines.count > 1
       return lines[0].start_with?("// Generated by the gRPC")
+    end
+    
+    # Internal: Is this a generated Dart file?
+    #
+    # A dart-lang/appengine generated file contains:
+    # // Generated code. Do not modify.
+    # on the first line.
+    #
+    # An owl generated file contains:
+    # // GENERATED CODE - DO NOT MODIFY
+    # on the first line.
+    #
+    # Return true or false
+    def generated_dart?
+      return false unless extname == '.dart'
+      return false unless lines.count > 1
+      return lines.first.downcase =~ /generated code\W{2,3}do not modify/
     end
 
     # Internal: Is the file a generated Perl/Pollution/Portability header file?
     #
     # Returns true or false.