1186         'convert python object into string that is useful to shell'

  1186         'convert python object into string that is useful to shell'

  1187         if val is None or val is False:

  1187         if val is None or val is False:

  1188             return '0'

  1188             return '0'

  1189         if val is True:

  1189         if val is True:

  1190             return '1'

  1190             return '1'

  1192     env = dict(encoding.environ)

  1192     env = dict(encoding.environ)

  1193     if environ:

  1193     if environ:

  1194         env.update((k, py2shell(v)) for k, v in environ.iteritems())

  1194         env.update((k, py2shell(v)) for k, v in environ.iteritems())

  1195     env['HG'] = hgexecutable()

  1195     env['HG'] = hgexecutable()

  1196     return env

  1196     return env