rdiff-backup.tcz
   python.tcz
      bzip2-lib.tcz
      gdbm.tcz
      openssl.tcz
      readline6.tcz
         ncurses5.tcz
      sqlite3.tcz
   librsync.tcz
      bzip2-lib.tcz
      popt.tcz
   openssh.tcz
      libedit.tcz
         ncurses.tcz
      openssl.tcz