Minor bash completion improvements/fixes
Minor bash completion improvements/fixes

Signed-off-by: Harald Albers <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@albersweb.de>

dnephin/cli,docker/cli,dnephin/cli,cpuguy83/cli,thaJeztah/cli,docker/cli,cpuguy83/cli,thaJeztah/cli