parser.add_argument(
    '--overwrite',
    dest='overwrite',
    action='store_true',
    required=False,
    help=
    'Overwrite existing datasets in the GRASS mapset.  If not specified, program will halt if a dataset already exists.'
)
args = parser.parse_args()
cmdline = RHESSysMetadata.getCommandLine()

configFile = None
if args.configfile:
    configFile = args.configfile

context = Context(args.projectDir, configFile)
paths = RHESSysPaths(args.projectDir)

if not args.grassDbase:
    dbase = 'GRASSData'
else:
    dbase = args.grassDbase
grassDbase = os.path.join(context.projectDir, dbase)
location = None
if args.location:
    location = args.location
mapset = None
if args.mapset:
    mapset = args.mapset

# Check for necessary information in metadata