CWD=$(pwd)

TMP=${TMP:-/tmp/sources}
OUT=${OUT:-/tmp/packages}

KVERSION=${KVERSION:-2.6.34.7}
EXTRA_VER=${EXTRA_VER:=-gen}
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}

BLD=${TMP}/kernel-build
PKG=${BLD}/package

rm -rf $BLD
mkdir -p $PKG $OUT

echo
echo "Searching kernel images..."
echo

for IMAGE in $CWD/{bzImage,vmlinuz*} /boot/vmlinuz* \
 /usr/src/linux-${KVERSION}/arch/i386/boot/bzImage ; do
  [[ -r $IMAGE ]] && echo $IMAGE >> $BLD/images.txt
done
select IMAGE in $(cat $BLD/images.txt 2> /dev/null); do
  KERNEL=$IMAGE
  break
done

for SYSMAP in $CWD/System.map* /boot/System.map* \
 /usr/src/linux-${KVERSION}/System.map ; do
  [[ -r $SYSMAP ]] && echo $SYSMAP >> $BLD/sysmaps.txt
done
select SYSMAP in $(cat $BLD/sysmaps.txt 2> /dev/null); do
  SYSMAP=$SYSMAP
  break
done

for CONFIG in $CWD/{config*,.config} /boot/config* \
 /usr/src/linux-${KVERSION}/.config ; do
  [[ -r $CONFIG ]] && echo $CONFIG >> $BLD/configs.txt
done
select CONFIG in $(cat $BLD/configs.txt 2> /dev/null); do
  CONFIG=$CONFIG
  break
done

cat << EOF

Images to save (before continuing, make sure any field is not empty):

KERNEL = $KERNEL
SYSMAP = $SYSMAP
CONFIG = $CONFIG

EOF
read -ep "Press ENTER to continue or Hit Control-C to cancel. "

mkdir -p ${PKG}/boot
cat $KERNEL > ${PKG}/boot/vmlinuz-${KVERSION}$EXTRA_VER
cat $SYSMAP > ${PKG}/boot/System.map-${KVERSION}$EXTRA_VER
cat $CONFIG > ${PKG}/boot/config-${KVERSION}$EXTRA_VER
( cd ${PKG}/boot
  ln -sf vmlinuz-${KVERSION}$EXTRA_VER vmlinuz
  ln -sf System.map-${KVERSION}$EXTRA_VER System.map
  ln -sf config-${KVERSION}$EXTRA_VER config
)

mkdir -p ${PKG}/description
cp ${CWD}/descriptions/kernel-generic/* ${PKG}/description/

cd $PKG
makepkg -l \
 ${OUT}/kernel-${KVERSION}$(echo $EXTRA_VER | tr - _)-$ARCH-$BUILD.tlz

# Delete temporary directories:
if [[ $1 = -c || $1 = --clean ]]; then
  rm -rf $BLD
fi