func doRm(c *cli.Context) error {
rootDir := c.String("root")
if rootDir == "" {
cli.ShowCommandHelp(c, "run")
return errors.New("--root option required")
}
if !osutil.ExistsDir(rootDir) {
return fmt.Errorf("No such directory %s", rootDir)
}
if err := osutil.UmountRoot(rootDir); err != nil {
return err
}
return osutil.RunCmd("rm", "-fr", rootDir)
}
func Rsync(from, to string, arg ...string) error {
from = from + "/"
// append "/" when not terminated by "/"
if strings.LastIndex(to, "/") != len(to)-1 {
to = to + "/"
}
// TODO --exclude, --excluded-from
rsyncArgs := []string{}
rsyncArgs = append(rsyncArgs, RsyncDefaultOpts...)
rsyncArgs = append(rsyncArgs, from, to)
if err := osutil.RunCmd("rsync", rsyncArgs...); err != nil {
return err
}
return nil
}