#!/usr/bin/env python3

# Usage: ./gitlab_group_checkout_all.py -g group_name -d target_dir

# Assumes there is a default configuration and python-gitlab is installed
# https://python-gitlab.readthedocs.io/en/stable/cli.html#cli-configuration
# Work with GitLab API V4 (gitlab-python version 1.6.x)

import getopt, shlex, subprocess, sys, gitlab

def clone_all_repos(group_name, directory):
    gl = gitlab.Gitlab.from_config()
    groups = gl.groups
    group_id = next(x.id for x in groups.list(as_list=False) if x.name == group_name)
    group = groups.get(group_id)
    projects = group.projects.list(as_list=False)
    clone_urls = (project.ssh_url_to_repo for project in projects)
    for clone_url in clone_urls:
        clone_repo(clone_url, directory)

def clone_repo(clone_url, directory):
    try:
        command = shlex.split('git clone %s' % clone_url)
        return subprocess.Popen(command, cwd=directory)
    except Exception as e:
        print("Error on %s: %s" % (clone_url, e))
        return 1

def main(argv):
    group_name = ''
    directory = ''
    try:
        opts, args = getopt.getopt(argv, "g:d:", ["group=", "dir="])
    except getopt.GetoptError:
        print('tlm.py -g group -d dir')
        sys.exit(2)
    for opt, arg in opts:
        if opt in ("-g", "--group"):
            group_name = arg
        elif opt in ("-d", "--dir"):
            directory = arg

    clone_all_repos(group_name, directory)

if __name__ == "__main__":
    main(sys.argv[1:])