Command-line completion

Estimated reading time: 1 minute

Docker Machine comes with command completion for the bash and zsh shell.

Installing Command Completion


Make sure bash completion is installed. If you use a current Linux in a non-minimal installation, bash completion should be available. On a Mac, install with brew install bash-completion

Place the completion scripts in /etc/bash_completion.d/ (`brew --prefix`/etc/bash_completion.d/ on a Mac), using e.g.

files=(docker-machine docker-machine-wrapper docker-machine-prompt)
for f in "${files[@]}"; do
  curl -L$(docker-machine --version | tr -ds ',' ' ' | awk 'NR==1{print $(3)}')/contrib/completion/bash/$f.bash > `brew --prefix`/etc/bash_completion.d/$f

Completion will be available upon next login.


Place the completion scripts in your /path/to/zsh/completion, using e.g. ~/.zsh/completion/

mkdir -p ~/.zsh/completion
curl -L$(docker-machine --version | tr -ds ',' ' ' | awk 'NR==1{print $(3)}')/contrib/completion/zsh/_docker-machine > ~/.zsh/completion/_docker-machine

Include the directory in your $fpath, e.g. by adding in ~/.zshrc

fpath=(~/.zsh/completion $fpath)

Make sure compinit is loaded or do it by adding in ~/.zshrc

autoload -Uz compinit && compinit -i

Then reload your shell

exec $SHELL -l
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