// +build !daemon package main import ( "fmt" "github.com/spf13/cobra" "runtime" "strings" ) func newDaemonCommand() *cobra.Command { return &cobra.Command{ Use: "daemon", Hidden: true, RunE: func(cmd *cobra.Command, args []string) error { return runDaemon() }, } } func runDaemon() error { return fmt.Errorf( "`docker daemon` is not supported on %s. Please run `dockerd` directly", strings.Title(runtime.GOOS)) }