cli.rb in codeowners-0.0.2

- old
+ new
@@ -53,20 +53,46 @@
         private_constant :DEFAULT_BASE_DIRECTORY
 
         DEFAULT_CODEOWNERS_PATH = ::File.join(".github", "CODEOWNERS").freeze
         private_constant :DEFAULT_CODEOWNERS_PATH
 
-        desc "List code contributors for a file"
+        FORMAT_MAPPING = { "string" => "to_s", "csv" => "to_csv" }.freeze
+        private_constant :FORMAT_MAPPING
 
-        argument :file, required: true, desc: "File to check"
+        FORMAT_VALUES = FORMAT_MAPPING.keys.freeze
+        private_constant :FORMAT_VALUES
 
+        DEFAULT_FORMAT = FORMAT_VALUES.first
+        private_constant :DEFAULT_FORMAT
+
+        DEFAULT_DEBUG = false
+        private_constant :DEFAULT_DEBUG
+
+        desc "List code contributors for a file (or a pattern)"
+
+        argument :file, required: true, desc: "File (or pattern) to check"
+
         option :base_directory, type: :string, default: DEFAULT_BASE_DIRECTORY, desc: "Base directory"
+        option :format, type: :string, default: DEFAULT_FORMAT, values: FORMAT_VALUES, desc: "Output format"
+        option :debug, type: :boolean, default: DEFAULT_DEBUG, desc: "Print debug information to stdout"
 
-        def call(file:, base_directory:, **)
-          result = Codeowners::ListContributors.new(base_directory).call(file)
+        example [
+          "path/to/file.rb # file",
+          "'path/to/**/*.rb' # pattern"
+        ]
+
+        def call(file:, base_directory:, format:, debug:, **)
+          result = Codeowners::ListContributors.new(base_directory).call(file, debug)
           exit(1) unless result.successful?
 
-          out.puts result.to_s
+          out.puts output(result, format)
+        end
+
+        private
+
+        def output(result, format)
+          method_name = FORMAT_MAPPING.fetch(format)
+          result.public_send(method_name.to_sym)
         end
       end
 
       register "version",      Version, aliases: ["v", "-v", "--version"]
       register "list",         List