#!/bin/sh
#
# Create two blank tapes
#

# mt status output
# SunOS     No Additional Sense
# FreeBSD   Current Driver State: at rest.
# Linux     ONLINE
#  Note Debian has an inferior mt. When no tape is in the
#    drive it waits 2 minutes.	When a tape is in the drive, it
#    prints user unfriendly output.
#

OS=`uname`
case ${OS} in
  SunOS)
    ready="No Additional Sense"
    ;;
  FreeBSD)
    ready="Current Driver State: at rest."
    ;;
  Linux)
    if test -e /etc/debian_version ; then
       ready="drive status"
    else
       ready="ONLINE"
    fi
  ;;
esac

wait_for_drive() {
  i=0 
  while [ $i -le 300 ]; do  # Wait max 300 seconds
    if mt -f $1 status 2>&1 | grep "${ready}" >/dev/null 2>&1; then
      break
    fi
#   debug "Device $1 - not ready, retrying..."
    sleep 1
    i=`expr $i + 1`
  done
}

#
# mt -f @tape_drive@ offline
@changer_path@ -f @autochanger@ unload
@changer_path@ -f @autochanger@ load 1
wait_for_drive @tape_drive@
mt -f @tape_drive@ rewind
mt -f @tape_drive@ weof
@changer_path@ -f @autochanger@ unload
@changer_path@ -f @autochanger@ load 2
wait_for_drive @tape_drive@
mt -f @tape_drive@ rewind
mt -f @tape_drive@ weof
#@changer_path@ -f @autochanger@ unload