blob: e1ff02d2e9213f88d8ef222e007d9da69406cb68 [file] [log] [blame]
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,
)
}