# Copyright (c) 2009-2012 by Enthought, Inc.
# All rights reserved.
"""\
This code is used to bootstrap enstaller (into sys.prefix of the Python
running this script).  The functionality is implemented in enstaller itself.

Install (bootstrap) enstaller:
$ python [--hook] custom_tools/boot-enst.py path/to/enstaller...egg
"""
import sys


def install(egg_path, hook=False):
    sys.path.insert(0, egg_path)
    from egginst.bootstrap import main
    if hook:
        sys.exit(main(hook=True))
    else:
        sys.exit(main())


if __name__ == '__main__':
    from optparse import OptionParser

    p = OptionParser(usage="usage: %prog [options] ENSTALLER.EGG",
                     description=__doc__)
    p.add_option("--hook",
                 action="store_true")

    opts, args = p.parse_args()

    if len(args) != 1:
        p.error("exactly one argument expected, try -h")

    install(args[0], opts.hook)