···498498 ask for the tag specifically. Some helpers may be able to
499499 use this option to avoid a second network connection.
500500501501-'option dry-run' {'true'|'false'}:
501501+'option dry-run' {'true'|'false'}::
502502 If true, pretend the operation completed successfully,
503503 but don't actually change any repository data. For most
504504 helpers this only applies to the 'push', if supported.