Function newPruneCommand

cli/command/system/prune.go:33–57

newPruneCommand creates a new cobra.Command for `docker prune`

(dockerCLI command.Cli)

// newPruneCommand creates a new cobra.Command for `docker prune`
func newPruneCommand(dockerCLI command.Cli) *cobra.Command {
	options := pruneOptions{filter: opts.NewFilterOpt()}

	cmd := &cobra.Command{
		Use:   "prune [OPTIONS]",
		Short: "Remove unused data",
		Args:  cli.NoArgs,
		RunE: func(cmd *cobra.Command, args []string) error {
			return runPrune(cmd.Context(), dockerCLI, options)
		},
		Annotations:           map[string]string{"version": "1.25"},
		ValidArgsFunction:     cobra.NoFileCompletions,
		DisableFlagsInUseLine: true,
	}

	flags := cmd.Flags()
	flags.BoolVarP(&options.force, "force", "f", false, "Do not prompt for confirmation")
	flags.BoolVarP(&options.all, "all", "a", false, "Remove all unused images not just dangling ones")
	flags.BoolVar(&options.pruneVolumes, "volumes", false, "Prune anonymous volumes")
	flags.Var(&options.filter, "filter", `Provide filter values (e.g. "label=<key>=<value>")`)
	// "filter" flag is available in 1.28 (docker 17.04) and up
	flags.SetAnnotation("filter", "version", []string{"1.28"})

	return cmd
}

const confirmationTemplate = `WARNING! This will remove:
{{- range $_, $warning := .warnings }}