The "init" command:

Usage: fossil new ?OPTIONS? FILENAME
   Or: fossil init ?OPTIONS? FILENAME

Create a repository for a new project in the file named FILENAME.
This command is distinct from "clone".  The "clone" command makes
a copy of an existing project.  This command starts a new project.

By default, your current login name is used to create the default
admin user. This can be overridden using the -A|--admin-user
parameter.

Options:
   --admin-user|-A USERNAME  select given USERNAME as admin user
   --date-override DATETIME  use DATETIME as time of the initial checkin

See also: clone