#!/bin/bash
VERSION=0.2
MOUNTPATH="/cdrom"
CHECKFILE=/LiveOS/squashfs.img
MD5FILE=/LiveOS/squashfs.img.MD5
TEXTDOMAIN=installer
TEXTDOMAINDIR=/opt/kde3/share/locale/

[ -e $MOUNTPATH/$CHECKFILE ] || {
   # this is only intended for debugging reason in development environment
   MOUNTPATH="/media/openmamba livecd"
}

function progress_parser() {
   while read -d "left" line; do
      line=${line/*$CHECKFILE: /}
      line=${line/MB done*/}
      elapsed=${line/MB*/}
      total=${line/* of /}
      percent=`expr \( $elapsed \* 100 \) \/ $total`
      dcop $DCOPID KommanderIf setText md5ProgressBar $percent || exit 1
   done
}

DCOPID=$1

echo $"\
openmamba md5 media check - version $VERSION
Copyright (c) 2007-2010 by Silvan Calarco <silvan.calarco@mambasoft.it>
"

[ $DCOPID ] || {
   echo $"Error: this program must be launched by mamba installer; aborting."
   exit 1
}

if [ -e "$MOUNTPATH/$CHECKFILE" -a -e "$MOUNTPATH/$MD5FILE" ]; then

   md5check=`cat "$MOUNTPATH/$MD5FILE" | sed "s|\([[:alnum:]]*\).*|\1|"`
   tmpfile=`tempfile 2>/dev/null` || tmpfile="/tmp/md5progress"
   md5deep -e "$MOUNTPATH/$CHECKFILE"  2>&1 1>$tmpfile| progress_parser
   md5calc=`cat $tmpfile | sed "s|[^[:alnum:]]*\([[:alnum:]]*\).*|\1|g"`
   rm -f $tmpfile

   [ $md5calc = $md5check ] && {
      dcop $DCOPID KommanderIf setText integrityCheckLabel $"Medium check OK. Press next to proceed with installation." 
      dcop $DCOPID KommanderIf setEnabled next true
   } || dcop $DCOPID KommanderIf setText integrityCheckLabel $"<font color=red>ERROR: medium has errors; please try with another medium.</font>" 

else
   dcop $DCOPID KommanderIf setText integrityCheckLabel $"<font color=red>ERROR: this program must be run from live medium.</font>"
fi

dcop $DCOPID KommanderIf setVisible md5ProgressBar false
dcop $DCOPID KommanderIf setVisible skipButton false

exit 0