#!/bin/bash

PKGDIR=$1
UPDATESDIR=$2

if [ ! -d "$PKGDIR" -o ! -d "$UPDATESDIR" ]; then
 echo >&2 "Usage: getcryptsetup <pkgdir> <updatesdir>"
 exit 1
fi

PACKAGES="cryptsetup-luks libgcrypt libgpg-error kernel-2*.i586" 
KEEPFILE=${TMPDIR:-/tmp}/keepfile.$$
cat > $KEEPFILE <<EOF
./sbin/cryptsetup
./lib/libcryptsetup.so.0*
./lib/libgcrypt.so.11*
./lib/libgpg-error.so.0*
./lib/modules/2.6.23.1-31.fc8/kernel/crypto/sha256.ko
./lib/modules/2.6.23.1-31.fc8/kernel/crypto/cbc.ko
./lib/modules/2.6.23.1-31.fc8/kernel/crypto/aes.ko
./lib/modules/2.6.23.1-31.fc8/kernel/crypto/blkcipher.ko
./lib/modules/2.6.23.1-31.fc8/kernel/drivers/md/dm-crypt.ko
EOF

for PKG in $PACKAGES ; do
 for P in $PKGDIR/${PKG}*.rpm ; do
  rpm2cpio $P | (cd $UPDATESDIR ; cpio -E $KEEPFILE --quiet -iumvd)
 done
done

# stuff all the mods into one flat dir for ease of use later
rm -f $UPDATESDIR/modules/*
cp $(find $UPDATESDIR -name \*.ko) $UPDATESDIR/modules/

rm $KEEPFILE