func newCmdUsage(cfg *api.Config) *cobra.Command {
oldScriptsFlag := ""
oldDestination := ""
usageCmd := &cobra.Command{
Use: "usage <image>",
Short: "Print usage of the assemble script associated with the image",
Long: "Create and start a container from the image and invoke its usage script.",
Run: func(cmd *cobra.Command, args []string) {
if len(args) == 0 {
cmd.Help()
os.Exit(1)
}
cfg.Usage = true
cfg.BuilderImage = args[0]
if len(oldScriptsFlag) != 0 {
glog.Warning("DEPRECATED: Flag --scripts is deprecated, use --scripts-url instead")
cfg.ScriptsURL = oldScriptsFlag
}
if len(cfg.BuilderPullPolicy) == 0 {
cfg.BuilderPullPolicy = api.DefaultBuilderPullPolicy
}
if len(cfg.PreviousImagePullPolicy) == 0 {
cfg.PreviousImagePullPolicy = api.DefaultPreviousImagePullPolicy
}
uh, err := sti.NewUsage(cfg)
checkErr(err)
err = uh.Show()
checkErr(err)
},
}
usageCmd.Flags().StringVarP(&(oldDestination), "location", "l", "",
"Specify a destination location for untar operation")
cmdutil.AddCommonFlags(usageCmd, cfg)
return usageCmd
}