The "descendants" command:

Usage: fossil descendants ?CHECKIN? ?OPTIONS?

Find all leaf descendants of the check-in specified or if the argument is omitted, of the check-in currently checked out.

Options:

-R|--repository REPO

Extract info from repository REPO

-W|--width N

Width of lines (default is to auto-detect). Must be greater than 20 or else 0 for no limit, resulting in a one line per entry.

See also: finfo, info, leaves