#!/bin/bash

# Copyright 2011 George Danchev <danchev@spnet.net>
# Copyright 2011 Thomas Schmitt <scdbackup@gmx.net>
# Licensed under GNU GPL version 2

# set -e

# Include common bits
if test -e inc/releng_getopts.inc
then
  . inc/releng_getopts.inc
else
  echo >&2
  echo "File not found: inc/releng_getopts.inc" >&2
  echo "Are we in the ./releng directory of a libisoburn SVN checkout ?" >&2
  echo >&2
  exit 2
fi

# Insist in having a xorriso 
if [ ! -x $RELENG_XORRISO ]; then
 print_help
 printf "\n${SELF}: -x  absolute or relative path to binary to be run.\n\n"
 exit 31
fi

#
get_speeds() {
  echo -e "\n${SELF}: Running:   ${RELENG_XORRISO} -outdev ${1} -list_speeds"
  ${RELENG_XORRISO} -outdev ${1} -list_speeds
}

cat_var() {
# $1 = variable to put out with line feeds
cat <<+
$1
+
}

get_devices() {
  # $1 = 

  if test -n "$1"
  then
       DEVICES="$1"
  else
       DEVICES=$("$RELENG_XORRISO" -devices 2>/dev/null | grep "\-dev")
  fi
  NUM_DEV=$(cat_var "$DEVICES" | wc -l)
  case "${NUM_DEV}" in
       0)
          echo -e "\n${SELF}: No drives found."
	  exit 1
       ;;
       1)
          echo -e "\n${SELF}: 1 drive found:\n"
       ;;
       *)
          echo -e "\n${SELF}: ${NUM_DEV} drives found:\n"
       ;;
  esac
  echo =================================================================
  echo "$DEVICES"
  echo =================================================================
  
  OUTDEV=$( cat_var "$DEVICES" | head -1 | \
            sed -e "s/[0-9]  *-dev '\//\//"  -e "s/'.*$//" )

  echo >&2
  echo "WARNING: The following tests might pull in the drive tray." >&2
  echo "         Best is if you now put in a suitable media and load it" >&2
  echo "         manually, so nobody gets surprised. :))" >&2
  echo >&2
  echo "Which drive to examine ? (Empty input = ${OUTDEV})" >&2
  read x
  if test -n "$x"
  then
       OUTDEV="$x"
  fi

  get_speeds "$OUTDEV"
}

# main
"$RELENG_XORRISO"  -version
echo -e "\n${SELF}: Running: $RELENG_XORRISO -devices..."
devices=$("$RELENG_XORRISO" -devices 2>/dev/null | grep "\-dev")
RET="$?"
case ${RET} in
     0)
      get_devices "$devices"
     ;;
     *)
      boldify
      echo -ne "\n${SELF}: ${RELENG_XORRISO} -devices returned ${RET}."
      unboldify
      echo -e  "\n${SELF}: Already mounted?"
      df -kh
esac

exit 0