cloneSubrepositories

#! /usr/bin/env python3

import argparse
import subprocess
import os

dirname = os.path.dirname(os.path.realpath(__file__))

parser = argparse.ArgumentParser(description='Stop the ' +
                                 'containerized versions of TwinePM ' +
                                 'services.')

branch_default = os.environ.get('TWINEPM_BRANCH') or 'dev'
parser.add_argument('--branch', '-b', nargs=1, default=branch_default,
                    help='set the branch of the repositories', type=str)

default_subrepo_list = os.environ.get('TWINEPM_SUBREPO_LIST')
if default_subrepo_list:
    default_subrepo_list = default_subrepo_list.split(' ')
    if not len(default_subrepo_list):
        raise Exception('No subrepos provided.')
else:
    default_subrepo_list = ['client', 'diskdb', 'logic', 'memorydb',
                            'scripts', 'web']

subrepo_list_help = 'set the subrepositories which will be cloned.'
parser.add_argument('--subrepo-list', '-l', nargs='+',
                    default=default_subrepo_list, help=subrepo_list_help,
                    type=list)

site_help = 'set the site from which repositories are cloned'
default_site = os.environ.get('TWINEPM_REPO_SITE') or 'https://github.com'
parser.add_argument('--site', '-s', nargs=1, default=default_site,
                    help=site_help, type=str)

default_owner = os.environ.get('TWINEPM_REPO_OWNER') or 'furkleindustries'
parser.add_argument('--owner', '-o', nargs=1, default=default_owner,
                    help='set the owner of the subrepositories', type=str)

envvar = os.environ.get('TWINEPM_REPO_NAME')
default_repo_base_name = envvar or 'twine-package-manager'
parser.add_argument('--base-name', '-n', nargs=1,
                    default=default_repo_base_name, help='the name ' +
                        'of the superrepository, which is used to ' +
                        'compute the full subrepository names',
                    type=str)

args = parser.parse_args()

for subrepo_name in args.subrepo_list:
    url = '{}/{}/{}-{}'.format(args.site, args.owner, args.base_name,
                               subrepo_name)
    file_path = '{}/{}'.format(dirname, subrepo_name)

    cmd = ['git', 'clone', url, '-b', args.branch, file_path]
    proc = subprocess.Popen(cmd)
    proc.communicate()

print('Subrepositories cloned.')