This script requires /etc/sudoers.d/translations-merge-update with contents:
# vim: ft=sudoers
#
# This file MUST be edited with `visudo -sf FILENAME`.
Cmnd_Alias APACHE_RESTART = /usr/sbin/service apache2 restart
www-data ALL = NOPASSWD: APACHE_RESTART
It also expects a www-data crontab entry:
@hourly /var/www/creativecommons.org/scripts/translations-merge-update.sh