#!/usr/bin/env python
# -*- python-mode -*-
"""git-dag: An advanced git DAG visualizer
"""

__copyright__ = """
Copyright (C) 2007-2012 David Aguilar <davvid@gmail.com> and contributors

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

"""

import os
import sys

def cola_init():
    """Provides access to the cola modules"""
    # Try to detect where it is run from and set prefix and the search path.
    # It is assumed that the user installed Cola using the --prefix= option
    prefix = os.path.dirname(os.path.dirname(
        os.path.realpath(os.path.abspath(__file__))))

    # Look for modules in the source or install trees
    cola_mod = os.path.join(prefix, 'cola', '__init__.py')
    if os.path.exists(cola_mod):
        # Source tree
        sys.path.insert(1, prefix)
    else:
        # Install tree
        install_lib = os.path.join(prefix, 'share', 'git-cola', 'lib')
        sys.path.insert(1, install_lib)


if __name__ == '__main__':
    # lights, cameras, action
    cola_init()
    from cola.app import main
    main('git-dag')
