The "test-shortest-path" command:
Usage: fossil test-shortest-path [OPTIONS] VERSION1 VERSION2
Report the shortest path between two check-ins. Options:
- --branch-cost N
- Additional cost N for changing branches
- --debug
- Show debugging output
- --one-way
- One-way forwards in time, parent->child only
- --no-merge
- Follow only direct parent-child paths and omit merge links.