cmd.go

package util

import (
	"fmt"
	"io"
	"path/filepath"
	"strings"

	"github.com/spf13/cobra"

	kcmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
)

func DefaultSubCommandRun(out io.Writer) func(c *cobra.Command, args []string) {
	return func(c *cobra.Command, args []string) {
		c.SetOutput(out)

		if len(args) > 0 {
			kcmdutil.CheckErr(kcmdutil.UsageError(c, fmt.Sprintf(`unknown command "%s"`, strings.Join(args, " "))))
		}

		c.Help()
	}
}

// GetDisplayFilename returns the absolute path of the filename as long as there was no error, otherwise it returns the filename as-is
func GetDisplayFilename(filename string) string {
	if absName, err := filepath.Abs(filename); err == nil {
		return absName
	}

	return filename
}