uniserv-restore: restore a version of uniserv
usage:
  uniserv-restore SHORTVERSION|ISOVERSION [OPTIONS]
  Restores the source and working copy repository of an installed 
  version of the uniserv program, the motor control program used 
  by BESSY undulators.

SHORTVERSION:
  The short version string from CONST_PROGRAM_VERSION in the uniserv
  program that is also shown in the undulator 'DIAG' panel, 
  e.g. '1901141049'.

ISOVERSION:
  The rsync-dist version strings in the form YYYY-MM-DDTHH:MM:SS.

OPTIONS:
  -h --help :
      this help
  --info    :
    Just show information about the version.
  --dir DIR :
    Create source tree in directory DIR. Otherwise a
    directory name is created from the SHORTVERSION string
    in the form YYYYMMDDTHHMM or from the ISOVERSION string in the 
    form YYYY-MM-DDTHHMMSS.
  -c --config CONFIGFILE :
    Specify the rsync-dist configuration file to use. If this 
    option is not givem, take the one from bii_scripts.
  -v --verbose :
    show what the script does
  -n --dry-run :
    just show what the script would do