all is in the title, and in [[ https://forge.softwareheritage.org/source/swh-fuse/browse/master/swh/fuse/cli.py;5c11efe3ae3b3c0bdf9088bc89299d1c63053cb1?as=source&blame=off | a comment in the code ]]
for comparison, see what other cli.py modules are doing in this respect, e.g., [[ https://forge.softwareheritage.org/source/swh-model/browse/master/swh/model/cli.py;9224c8ca6e28cb7bc47cff104988d5ccfa2aba67?as=source&blame=off | swh-model's cli.py ]]