#!/usr/bin/env python3

"""Main driver wrapper around the manic/checkout utility.

Tool to assemble external respositories represented in an externals
description file.

"""
from __future__ import absolute_import
from __future__ import unicode_literals
from __future__ import print_function

import sys
import traceback
import os
import manic

if sys.hexversion < 0x02070000:
    print(70 * '*')
    print('ERROR: {0} requires python >= 2.7.x. '.format(sys.argv[0]))
    print('It appears that you are running python {0}'.format(
        '.'.join(str(x) for x in sys.version_info[0:3])))
    print(70 * '*')
    sys.exit(1)


if __name__ == '__main__':
    ARGS = manic.checkout.commandline_arguments()
    if ARGS.version:
        version_info = ''
        version_file_path = os.path.join(os.path.dirname(__file__),'version.txt')
        with open(version_file_path) as f:
            version_info = f.readlines()[0].strip()
        print(version_info)
        sys.exit(0)
    try:
        RET_STATUS, _ = manic.checkout.main(ARGS)
        sys.exit(RET_STATUS)
    except Exception as error:  # pylint: disable=broad-except
        manic.printlog(str(error))
        if ARGS.backtrace:
            traceback.print_exc()
        sys.exit(1)