The "test-subtree" command:
Usage: fossil test-subtree ?OPTIONS?
Show the subset of check-ins that match the supplied options. This command is used to test the subtree_from_options() subroutine in the implementation and does not really have any other practical use that we know of.
Options:
- --branch BRANCH
 - Include only check-ins on BRANCH
 - --from TAG
 - Start the subtree at TAG
 - --to TAG
 - End the subtree at TAG
 - --checkin TAG
 - The subtree is the single check-in TAG
 - --all
 - Include FILE and TAG artifacts
 - --exclusive
 - Include FILES exclusively on check-ins