plugins

$ packer plugins -hUsage: packer plugins <subcommand> [options] [args]  This command groups subcommands for interacting with Packer plugins.Related but not under the "plugins" command :- "packer init <path>" will install all plugins required by a config.Subcommands:    install      Install latest Packer plugin [matching version constraint]    installed    List all installed Packer plugin binaries    remove       Remove Packer plugins [matching a version]    required     List plugins required by a config