class DockerCompletion < Formula desc "Bash, Zsh and Fish completion for Docker" homepage "https://www.docker.com/" url "https://github.com/docker/docker-ce.git", :tag => "v18.02.0-ce", :revision => "fc4de447b563498eb4da89f56fb858bbe761d91b" bottle :unneeded conflicts_with "docker", :because => "docker already includes these completion scripts" def install bash_completion.install "components/cli/contrib/completion/bash/docker" fish_completion.install "components/cli/contrib/completion/fish/docker.fish" zsh_completion.install "components/cli/contrib/completion/zsh/_docker" end test do assert_match "-F _docker", shell_output("bash -c 'source #{bash_completion}/docker && complete -p docker'") end end