The "sync" command:

Usage: fossil sync ?URL? ?options?

Synchronize all sharable changes between the local repository and a remote repository. Sharable changes include public check-ins and edits to wiki pages, tickets, forum posts, and technical notes.

If URL is not specified, then the URL from the most recent clone, push, pull, remote, or sync command is used. See "fossil help clone" for details on the URL formats.

Options:

-B|--httpauth USER:PASS
Credentials for the simple HTTP auth protocol, if required by the remote website
--ipv4
Use only IPv4, not IPv6
--no-http-compression
Do not compress HTTP traffic
--once
Do not remember URL for subsequent syncs
--proxy PROXY
Use the specified HTTP proxy
--private
Sync private branches too
-R|--repository REPO
Local repository to sync with
--ssl-identity FILE
Local SSL credentials, if requested by remote
--ssh-command SSH
Use SSH as the "ssh" command
-u|--unversioned
Also sync unversioned content
-v|--verbose
Additional (debugging) output
--verily
Exchange extra information with the remote to ensure no content is overlooked

See also: clone, pull, push, remote