old_contents: # -*- coding: utf-8 -*-
  
  from nimp.commands._command import *
  from nimp.utilities.ue4     import *
  
  #-------------------------------------------------------------------------------
  class Ue4BuildCommand(Command):
  
      def __init__(self):
          Command.__init__(self, 'ue4-build', 'Build UE4 executable')
  
      #---------------------------------------------------------------------------
      def configure_arguments(self, env, parser):
          parser.add_argument('-c',
                              '--configuration',
                              help    = 'configuration to build',
                              metavar = '<configuration>',
                              default = 'release')
  
          parser.add_argument('-p',
                              '--platform',
                              help    = 'platform to build',
                              metavar = '<platform>',
                              default = 'Win64')
  
          parser.add_argument('--generate-version-file',
                              help    = 'Generates a code file containing build specific informations',
                              action  = "store_true",
                              default = False)
          return True
  
      #---------------------------------------------------------------------------
      def run(self, env):
          return ue4_build(env)
  
new_contents: # -*- coding: utf-8 -*-
  
  from nimp.commands._command import *
  from nimp.utilities.ue4     import *
  
  #-------------------------------------------------------------------------------
  class Ue4BuildCommand(Command):
  
      def __init__(self):
          Command.__init__(self, 'ue4-build', 'Build UE4 executable')
  
      #---------------------------------------------------------------------------
      def configure_arguments(self, env, parser):
          parser.add_argument('-c',
                              '--configuration',
                              help    = 'configuration to build',
                              metavar = '<configuration>',
                              default = 'Development')
  
          parser.add_argument('-p',
                              '--platform',
                              help    = 'platform to build',
                              metavar = '<platform>',
                              default = 'Win64')
  
          parser.add_argument('--generate-version-file',
                              help    = 'Generates a code file containing build specific informations',
                              action  = "store_true",
                              default = False)
          return True
  
      #---------------------------------------------------------------------------
      def run(self, env):
          return ue4_build(env)
  
subject: set default configuration to “Development” instead of “release”.