import os

from rwx import ps

COMMANDS_PREFIX = 'cd-'


def cd_clone_branch():
    ps.run('git',
        'clone',
        '--branch', os.environ['CD_PROJECT_BRANCH'],
        '--',
        os.environ['CD_PROJECT_URL'],
        '.',
    )


def cd_list_environment():
    for variable, value in sorted(os.environ.items()):
        print(variable, '=', value)


def install_commands(path):
    user = '/usr/local/bin'
    for command in [
        'clone-branch',
        'list-environment',
    ]:
        os.symlink(path, os.path.join(user, f'{COMMANDS_PREFIX}{command}'))