help
Signed-off-by: Ian Campbell <ijc@docker.com>
e.g. the `docker` case which should act as `docker help`. Signed-off-by: Ian Campbell <ijc@docker.com>
docker help
To do this we add a stub `cobra.Command` for each installed plugin (only when invoking `help`, not for normal running). This requires a function to list all available plugins so that is added here. Signed-off-by: Ian Campbell <ijc@docker.com>