#!/bin/sh

LogIt "compare-subroutine-me --- starting"

wildpath=""

if [ "$#" -ne "2" ] && [ "$#" -ne "1" ] ; then
    LogIt "compare-subroutine-me <archive> (<wildpath>)" 1
    LogIt "e.g. compare-subroutine-me archives/15.afio.bz2" 1
    Logit "or   compare-subroutine-me archives/15.afio.bz2 /mnt/dos/*" 1
    exit 1
fi

archive=$1
if [ "$#" -eq "2" ] ; then
    wildpath=$2
fi

if [ ! -f "$archive" ] ; then
    LogIt "Cannot find archive $archive" 1
    exit 1
fi

# ---------------- compare a tarball --------------

cd /mnt/RESTORING
if [ "$?" -ne "0" ] ; then
    LogIt "Cannot cd to /mnt/RESTORING" 1
    exit 1
fi


if [ "`echo "$archive" | grep "\.bz2"`" != "" ]; then
    callstr="-P bzip2 -Z"
elif [ "`echo "$archive" | grep "\.lzo"`" != "" ] ; then
    callstr="-P lzop -Z"
elif [ "`echo "$archive" | grep "\.gz"`" != "" ]; then
    callstr="-Z"
elif [ "`echo "$archive" | grep "\.afio"`" != "" ]; then
    callstr=""
else
    LogIt "Unknown filetype - $archive" 1
    exit 1
fi

setno=`echo "$archive" | tr '/' '.' | tr '[:alpha:]' '.' --squeeze-repeats | cut -d'.' -f2`
path=`echo "$archive" | gawk '{i=split($0,res,"/");j=1;while(j<i){printf res[j]"/";j++;};}'`
#echo "archive = $archive"
#echo "path    = $path"
#echo "setno   = $setno"
if [ "$wildpath" = "" ] ; then
# ----verify----
    afio -r $callstr $archive 2> /tmp/afio.log
    res=$?
#    afio -t $callstr $archive > /tmp/rsm.lst.tmp
    if [ -s "$path/cklist.$setno" ] ; then
# ----md5sum----
	mondo-checksum $path/filelist.$setno $path/cklist.$setno /mnt/RESTORING --verify &> /tmp/mck.log
	r=$?
        res=$(($res+$r))
	if [ "$r" -ne "0" ] ; then
	    if [ "`cat /tmp/mck.log`" != "" ] ; then
		echo "Files which, according to md5sum, have changed:-" >> /tmp/compare-me.log
		cat /tmp/mck.log | tee -a /tmp/compare-me.log
	    else
		LogIt "Unable to run mondo-checksum."
	    fi
	fi
    fi
else
    afio -r -y $wildpath $callstr $archive &> /tmp/afio.log
    res=$(($res+$?))
fi
if [ "`cat /tmp/afio.log`" != "" ] ; then
    echo "Files reported by afio as changed:-" > /tmp/afio.log.mashed
    sed s/'afio: "'/'|'/ /tmp/afio.log | sed s/'": '/'|'/ \
| cut -d'|' -f2 | gawk '{ if (substr($0,1,1)!="/") {print"/"$0;} \
else {print $0;};};' | sort -u >> /tmp/afio.log.mashed
    cat /tmp/afio.log.mashed | tee -a /tmp/compare-me.log
fi

LogIt "compare-subroutine-me --- leaving"
exit $res