All output of the usage / --help output uses spaces, and having a tab
in the output can be somewhat cumbersome (e.g. our YAML docs generator
doesn't like them, and copy/pasing the output in iTerm produces a warning).
This patch changes the output to use two spaces instead.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
PersistentPreRunE needs to be called within the help function to initialize all the flags (notably the orchestrator flag)
Add an e2e test as regression test
Signed-off-by: Silvin Lubecki <silvin.lubecki@docker.com>
