debian-cd-clone/tools/grab_md5

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#!/bin/sh
#
# grab_md5
# (c) 2004 Steve McIntyre <steve@einval.com>
#
# GPL v2
#
# Parse Packages and Sources files out of a mirror and pre-process
# them into a single list ready for mkisofs to check later
MIRROR=$1
ARCHES="$2"
CODENAME=$3
DI_CODENAME=$4
OUT=$5
for ARCH in $ARCHES
do
LOCATIONS="$MIRROR/dists/$CODENAME/ $MIRROR/dists/$DI_CODENAME/"
echo "Looking in $LOCATIONS"
case $ARCH in
source)
FILES=`find $LOCATIONS -name Sources.gz`
echo -e "Using MD5 sums from Sources files:\n$FILES"
zcat -f $FILES | awk -v MIRROR=$MIRROR '
/^Directory:/ {
DIR = $2
next
}
/^Files:/ {
in_files = 1
next
}
/^ / {
if (in_files) {
gsub("^ ", "", $0)
MD5 = $1
SIZE = $2
FILE = $3
printf("%s %12s %s/%s/%s\n", MD5, SIZE, MIRROR, DIR, FILE);
next
}
}
/^[^ ]/ {
in_files = 0
FILE = ""
DIR = ""
}' | sort | uniq >> $OUT
;;
2008-05-04 17:38:52 +00:00
alpha|amd64|arm|armel|hppa|i386|ia64|m68k|mips|mipsel|powerpc|s390|sparc)
FILES=`find $LOCATIONS -name Packages.gz | grep binary-$ARCH`
echo -e "Using MD5 sums from Packages files:\n$FILES"
zcat -f $FILES | awk -v MIRROR=$MIRROR '
/^Filename:/ {
FILE = $2
}
/^Size:/ {
SIZE = $2
}
/^MD5sum:/ {
MD5 = $2
printf("%s %12d %s/%s\n", MD5, SIZE, MIRROR, FILE)
}' | sort | uniq >> $OUT
# Use the new D-I images. Do NOT use the "current"
# link; it causes problems with overlaid files...
for VER in $MIRROR/dists/$DI_CODENAME/main/installer-$ARCH/*
do
if [ -d $VER ] && [ ! -L $VER ] ; then
FILE=$VER/images/MD5SUMS
echo "Using MD5 sums from d-i: $FILE"
LOC=dists/$DI_CODENAME/main/installer-$ARCH/`basename $VER`/images
for ENTRY in `cat $FILE | sed 's/ /:/g'`
do
PATH=`echo $ENTRY | /bin/sed "s?^.*:\./?$MIRROR/$LOC/?g"`
MD5=`echo $ENTRY | /bin/sed 's/:.*$//g'`
SIZE=`/usr/bin/stat -c %s $PATH`
printf '%s %12.12s %s\n' $MD5 $SIZE $PATH
done | sort | uniq >> $OUT
fi
done
;;
*)
echo "Unknown arch/source $ARCH!"
exit 1
;;
esac
done
exit 0