debian-cd-clone/tools/imagesums

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#!/bin/bash
cd $1
if [ "$2"x != ""x ] ; then
EXT="$2"
fi
CHECKSUMS="sha1 md5" # sha512 sha256
for SUM in $CHECKSUMS; do
UPSUM=`echo $SUM | tr 'a-z' 'A-Z'`
FILE=$UPSUM"SUMS"$EXT
echo "Clearing $FILE"
:> $FILE
done
# 2 calls to find here to get the ordering right - we *really* want to
# get the jigdo files first
for file in `find * -name \*.jigdo` `find * -name \*.iso`; do
case $file in
*.jigdo)
iso=${file%%.jigdo}.iso
JIGDO=1
;;
*.iso)
iso=$file
JIGDO=0
;;
*)
echo "Found unexpected file $file!"
exit 1
;;
esac
for SUM in $CHECKSUMS; do
UPSUM=`echo $SUM | tr 'a-z' 'A-Z'`
FILE=$UPSUM"SUMS"$EXT
SEARCH="$UPSUM"Sum
CMD="$SUM"sum
grep -q $iso $FILE
if [ $? -ne 0 ] ; then
CKSUM=""
if [ "$JIGDO" == 1 ] ; then
CKSUM=`zcat -f $file | awk "/Image Hex $SEARCH/ {print \\$5}"`
fi
if [ "$CKSUM"x != ""x ] ; then
echo "$CKSUM $iso" >> $FILE
else
echo "No Jigdo help for $SUM, doing it the long way with $CMD"
$CMD $iso >> $FILE
grep $iso $FILE
fi
fi
done
done