#!/usr/bin/python

from __future__ import print_function
import os
import os.path as p
import sys

d = p.dirname(p.realpath(__file__))
try:
    os.execv(os.path.join(d, 'modules/waf/waf-light'), sys.argv)
except OSError:
    print('Missing waf submodule. Trying to get it')

    from subprocess import check_call, CalledProcessError

    try:
        check_call(['git', 'submodule', 'update', '--init', 'modules/waf'])
    except CalledProcessError:
        print('Could not update submodule', file=sys.stderr)
        sys.exit(1)

    print('Submodules OK, try running again')