Whether to leave file in its compressed state or not.
Docker CP command hands back a tar stream regardless if we asked
for a regular file or directory. Thus, we can give the caller
back the tar file as-is or explode it to some destination like
'docker cp' does.
Path on host to write remotePath to or into.
If hostPath does not exist it will be created relative to
what we need it to be (e.g. regular file or directory).
This is consistent with how 'docker cp' behaves.