Along the same likes as fakeroot/fakechroot, I've found proot to be super useful...

chriswarbo on Sept 3, 2021 | parent | context | favorite | on: Podman: A tool for managing OCI containers and pod...

Along the same likes as fakeroot/fakechroot, I've found proot to be super useful for writing startup scripts for commands which make awkward assumptions about the filesystem layout.