Function WithErrorHandler

cmd/cloudflared/cliutil/errors.go:25–38

Ensures exit with error code if actionFunc returns an error

(actionFunc cli.ActionFunc)

// Ensures exit with error code if actionFunc returns an error
func WithErrorHandler(actionFunc cli.ActionFunc) cli.ActionFunc {
	return func(ctx *cli.Context) error {
		err := actionFunc(ctx)
		if err != nil {
			if _, ok := err.(usageError); ok {
				msg := fmt.Sprintf("%s\nSee 'cloudflared %s --help'.", err.Error(), ctx.Command.FullName())
				err = cli.Exit(msg, -1)
			} else if _, ok := err.(cli.ExitCoder); !ok {
				err = cli.Exit(err.Error(), 1)
			}
		}
		return err
	}
}