> parser.on("--www=CONTENT_DIR", "Specifies the content directory") { |d| content_directory = d }
                                                                       ^

> parser.on("--update-crontab=CRON", "Specifies the update crontab") { |c| update_crontab = c }
                                                                        ^

> parser.on("--git-username=USERNAME", "Specifies the git username") { |u| git_username = u }
                                                                        ^

> parser.on("--git-password=PASSWORD", "Specifies the git password") { |p| git_password = p }
                                                                        ^

> parser.on("-b HOST", "--bind=HOST", "Specifies the server host") { |h| host = h }
                                                                      ^

> parser.on("-p PORT", "--port=PORT", "Specifies the server port") { |p| port = p.to_i }
                                                                      ^

> content_directory.try { |cd| settings.content_directory = cd }
                           ^

> update_crontab.try { |uc| settings.update_crontab = uc }
                        ^