.build_unbuilt_packages

#!/usr/bin/env python2.7

from univention.repong.repo_lib_pg import postgres
import os
import subprocess
import re

RE_BRANCH = re.compile(r'^(?P<major>[1-9][0-9]*)[.](?P<minor>[0-9]+)[-.](?P<subminor>[0-9]+)$')


def build_unbuilt_packages():
	db = postgres()

	changelog_filenames = subprocess.check_output(
		['find', '.', '-mindepth', '4', '-maxdepth', '4', '-type', 'f', '-name', 'changelog', '-path', '*/debian/changelog']
	).strip('\n').split('\n')

	for changelog_filename in changelog_filenames:
		with open(changelog_filename) as changelog_file:
			first_changelog_line = changelog_file.readline()
			changelog_fields = first_changelog_line.split()
			package_name = changelog_fields[0]
			package_name_long = "/".join(
				changelog_filename.strip('./').split('/')[0:2]
			)
			package_version = changelog_fields[1][1:-1]

		try:
			db.get_srcrev(package_name, package_version)
		except LookupError:
			build_package(package_name, package_name_long)


def build_package(package_name, package_name_long):
	branch = os.environ['CI_COMMIT_REF_NAME']
	match = RE_BRANCH.match(branch)
	if not match:
		return

	ucs_version_string = branch
	ucs_version = match.groupdict()
	release_yaml_filename = (
		"/var/univention/buildsystem2/mirror/ftp/download/ucs-maintenance/{}.yaml"
	).format(ucs_version_string)

	repo_admin_command = [
		"echo",
		"repo_admin.py",
		"-G", "git@git.knut.univention.de:univention/ucs.git",
		"-b", ucs_version_string,
		"-P", package_name_long,
		"-p", package_name,
		"-r", ucs_version_string[:3],
	]

	if os.path.isfile(release_yaml_filename):
		scope = 'errata{major}.{minor}-{subminor}'.format(**ucs_version)
		repo_admin_command += ["-s", scope]
		build_command = ["echo", "b{major}{minor}-scope".format(**ucs_version), scope, package_name]
	elif ucs_version['subminor'] > 0:
		scope = 'ucs{major}.{minor}-{subminor}'.format(**ucs_version)
		repo_admin_command += ["-s", scope]
		build_command = ["echo", "b{major}{minor}-scope".format(**ucs_version), scope, package_name]
	else:
		build_command = ["echo", "b{major}{minor}".format(**ucs_version), package_name]

	subprocess.check_call(repo_admin_command)
	subprocess.check_call(build_command)


if __name__ == '__main__':
	build_unbuilt_packages()