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This required a minor hack to accommodate Cobra's logic (and a TODO was
added to see if we can improve that logic in upstream). Some changes also
had to be made to our "Usage" template, as our custom template did not
take into account subcommands and long descriptions for commands. We
should review these templates, as some additional features were added
in upstream Cobra that we currently may not be using.
With this patch:
instructions for the (hidden) completion subcommand:
docker completion --help
Usage: docker completion COMMAND
Generate the autocompletion script for docker for the specified shell.
See each sub-command's help for details on how to use the generated script.
Commands:
bash Generate the autocompletion script for bash
fish Generate the autocompletion script for fish
powershell Generate the autocompletion script for powershell
zsh Generate the autocompletion script for zsh
Run 'docker completion COMMAND --help' for more information on a command.
and instructions for installing:
dockerd completion bash --help
Usage: dockerd completion bash
Generate the autocompletion script for the bash shell.
This script depends on the 'bash-completion' package.
If it is not installed already, you can install it via your OS's package manager.
To load completions in your current shell session:
source <(dockerd completion bash)
To load completions for every new session, execute once:
#### Linux:
dockerd completion bash > /etc/bash_completion.d/dockerd
#### macOS:
dockerd completion bash > $(brew --prefix)/etc/bash_completion.d/dockerd
You will need to start a new shell for this setup to take effect.
Options:
--help Print usage
--no-descriptions disable completion descriptions
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>