| package cli // import "github.com/docker/docker/cli" |
| |
| import ( |
| "strings" |
| |
| "github.com/pkg/errors" |
| "github.com/spf13/cobra" |
| ) |
| |
| // NoArgs validates args and returns an error if there are any args |
| func NoArgs(cmd *cobra.Command, args []string) error { |
| if len(args) == 0 { |
| return nil |
| } |
| |
| if cmd.HasSubCommands() { |
| return errors.Errorf("\n" + strings.TrimRight(cmd.UsageString(), "\n")) |
| } |
| |
| return errors.Errorf( |
| "\"%s\" accepts no argument(s).\nSee '%s --help'.\n\nUsage: %s\n\n%s", |
| cmd.CommandPath(), |
| cmd.CommandPath(), |
| cmd.UseLine(), |
| cmd.Short, |
| ) |
| } |