Creates a remote git repository

git-remote-deploy.py

# -*- coding: UTF-8 -*-

import os
import stat
import argparse
from urllib.parse import urlunparse
from urllib.request import pathname2url

#  wget https://gist.github.com/alexandr-san4ez/d740600560fd51e84be5e75d287184e2/raw/1dab00b6e4a9b4ff4a8b6e0771ef4b4f7a2c9d02/git-remote-deploy.py -q -O- | python3 - -h

def parse_args():
	description = (
		'Creates a remote git repository for this tutorial: '
		'http://toroid.org/git-website-howto'
	)
	parser = argparse.ArgumentParser(description=description)

	parser.add_argument('repos', help='path to the repository')
	parser.add_argument('workdir', help='path to the working directory')
	parser.add_argument('--post-receive', default=tuple(), metavar='comand', nargs='*',
		help='the commands you need to run after getting the changes')

	args = parser.parse_args()

	if not args.repos.endswith('.git'):
		args.repos = args.repos.rstrip(' .') + '.git'

	return args

def init_git(repos):
	os.mkdir(repos)
	if os.system('git init --bare --quiet ' + repos) != 0:
		raise Exception('git init finished with error')

def create_work_dir(workdir):
	try:
		os.mkdir(workdir)
	except FileExistsError:
		pass

def init_hook(repos, workdir, post_receive):
	lines = [
		'#!/bin/sh',
		'GIT_WORK_TREE={} git checkout -f'.format(os.path.abspath(workdir)),
	]
	lines.extend(post_receive)

	hooks = os.path.join(repos, 'hooks/post-receive')
	with open(hooks, 'w') as file:
		file.write('\n'.join(lines))

	st = os.stat(hooks)
	os.chmod(hooks, st.st_mode | stat.S_IEXEC) # add executable permission

def print_result(repos):
	path = pathname2url(os.path.abspath(repos))
	url = urlunparse(('ssh', 'username@server.com', path, None, None, None))

	print('git remote add upstream ' + url)
	print('git push upstream +master:refs/heads/master')

def main():
	args = parse_args()

	init_git(args.repos)
	create_work_dir(args.workdir)
	init_hook(args.repos, args.workdir, args.post_receive)

	print_result(args.repos)

if __name__ == "__main__":
	main()