The "configuration" command:

Usage: fossil configuration METHOD ... ?OPTIONS?

Where METHOD is one of: export import merge pull push reset.  All methods
accept the -R or --repository option to specify a repository.

   fossil configuration export AREA FILENAME

        Write to FILENAME exported configuration information for AREA.
        AREA can be one of:

            all email project shun skin ticket user alias subscriber

   fossil configuration import FILENAME

        Read a configuration from FILENAME, overwriting the current

   fossil configuration merge FILENAME

        Read a configuration from FILENAME and merge its values into
        the current configuration.  Existing values take priority over
        values read from FILENAME.

   fossil configuration pull AREA ?URL?

        Pull and install the configuration from a different server
        identified by URL.  If no URL is specified, then the default
        server is used.  Use the --overwrite flag to completely
        replace local settings with content received from URL.

   fossil configuration push AREA ?URL?

        Push the local configuration into the remote server identified
        by URL.  Admin privilege is required on the remote server for
        this to work.  When the same record exists both locally and on
        the remote end, the one that was most recently changed wins.

   fossil configuration reset AREA

        Restore the configuration to the default.  AREA as above.

   fossil configuration sync AREA ?URL?

        Synchronize configuration changes in the local repository with
        the remote repository at URL.

   -R|--repository FILE       Extract info from repository FILE

See also: settings, unset