func Rsync(from, to string, arg ...string) error {
from = from + "/"
// append "/" when not terminated by "/"
if strings.LastIndex(to, "/") != len(to)-1 {
to = to + "/"
}
rsyncArgs := []string{}
rsyncArgs = append(rsyncArgs, RsyncDefaultOpts...)
// Exclude bind-mounted directory by droot run
mnt := mounter.NewMounter(to)
mounts, err := mnt.GetMountsRoot()
if err != nil {
return err
}
for _, m := range mounts {
mp := strings.TrimPrefix(m.Mountpoint, to)
rsyncArgs = append(rsyncArgs, fmt.Sprintf("--exclude=/%s", mp))
}
rsyncArgs = append(rsyncArgs, from, to)
if err := osutil.RunCmd("rsync", rsyncArgs...); err != nil {
return err
}
return nil
}
func CleanupSymlink(destDir string) error {
mainLink := destDir + ".drootmain"
backupLink := destDir + ".drootbackup"
contentDir := destDir + ".d/"
log.Info("-->", "Removing", backupLink)
if err := osutil.RunCmd("rm", "-f", backupLink); err != nil {
return err
}
log.Info("-->", "Removing", mainLink)
if err := osutil.RunCmd("rm", "-f", mainLink); err != nil {
return err
}
log.Info("-->", "Removing", contentDir)
if err := osutil.RunCmd("rm", "-fr", contentDir); err != nil {
return err
}
return osutil.RunCmd("rm", "-f", destDir)
}
func doRm(c *cli.Context) error {
optRootDir := c.String("root")
if optRootDir == "" {
cli.ShowCommandHelp(c, "run")
return errors.New("--root option required")
}
rootDir, err := mounter.ResolveRootDir(optRootDir)
if err != nil {
return err
}
mnt := mounter.NewMounter(rootDir)
if err := mnt.UmountRoot(); err != nil {
return err
}
if osutil.IsSymlink(optRootDir) {
return deploy.CleanupSymlink(optRootDir)
}
log.Info("-->", "Removing", rootDir)
return osutil.RunCmd("rm", "-fr", rootDir)
}