DockerCLI/flagerrors.go

22 lines
419 B
Go

package cli
import (
"fmt"
"github.com/spf13/cobra"
)
// FlagErrorFunc prints an error messages which matches the format of the
// docker/docker/cli error messages
func FlagErrorFunc(cmd *cobra.Command, err error) error {
if err == nil {
return err
}
usage := ""
if cmd.HasSubCommands() {
usage = "\n\n" + cmd.UsageString()
}
return fmt.Errorf("%s\nSee '%s --help'.%s", err, cmd.CommandPath(), usage)
}