base.rb in thor-0.20.1

- old
+ new

@@ -111,11 +111,11 @@
       def subclass_files
         @subclass_files ||= Hash.new { |h, k| h[k] = [] }
       end
 
       # Whenever a class inherits from Thor or Thor::Group, we should track the
-      # class and the file on Thor::Base. This is the method responsable for it.
+      # class and the file on Thor::Base. This is the method responsible for it.
       #
       def register_klass_file(klass) #:nodoc:
         file = caller[1].match(/(.*):\d+/)[1]
         Thor::Base.subclasses << klass unless Thor::Base.subclasses.include?(klass)
 
@@ -464,17 +464,17 @@
       def start(given_args = ARGV, config = {})
         config[:shell] ||= Thor::Base.shell.new
         dispatch(nil, given_args.dup, nil, config)
       rescue Thor::Error => e
         config[:debug] || ENV["THOR_DEBUG"] == "1" ? (raise e) : config[:shell].error(e.message)
-        exit(1) if exit_on_failure?
+        exit(false) if exit_on_failure?
       rescue Errno::EPIPE
         # This happens if a thor command is piped to something like `head`,
         # which closes the pipe when it's done reading. This will also
         # mean that if the pipe is closed, further unnecessary
         # computation will not occur.
-        exit(0)
+        exit(true)
       end
 
       # Allows to use private methods from parent in child classes as commands.
       #
       # ==== Parameters
@@ -491,11 +491,10 @@
         end
       end
       alias_method :public_task, :public_command
 
       def handle_no_command_error(command, has_namespace = $thor_runner) #:nodoc:
-        raise UndefinedCommandError, "Could not find command #{command.inspect} in #{namespace.inspect} namespace." if has_namespace
-        raise UndefinedCommandError, "Could not find command #{command.inspect}."
+        raise UndefinedCommandError.new(command, all_commands.keys, (namespace if has_namespace))
       end
       alias_method :handle_no_task_error, :handle_no_command_error
 
       def handle_argument_error(command, error, args, arity) #:nodoc:
         name = [command.ancestor_name, command.name].compact.join(" ")