#!/bin/bash -e
SDIR="$(dirname "$(readlink -f ${BASH_SOURCE[0]})")"
KVER="$(uname -r | awk -F. '{ printf("%d.%d.%d\n",$1,$2,$3); }')"
KDIR="/usr/src/linux-$(uname -r)"

[ ! -d "$SDIR/packages" ] && mkdir $SDIR/packages

cd $SDIR/packages

[ ! -e "linux-$KVER.tar.xz" ] && wget --no-check-certificate http://www.kernel.org/pub/linux/kernel/v3.x/linux-$KVER.tar.xz
[ ! -e "gcc-4.4.4-i486-1.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/d/gcc-4.4.4-i486-1.txz
[ ! -e "kernel-headers-2.6.33.4_smp-x86-1.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/d/kernel-headers-2.6.33.4_smp-x86-1.txz
[ ! -e "glibc-2.11.1-i486-3.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/l/glibc-2.11.1-i486-3.txz
[ ! -e "binutils-2.20.51.0.8-i486-1.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/d/binutils-2.20.51.0.8-i486-1.txz
[ ! -e "make-3.81-i486-1.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/d/make-3.81-i486-1.txz
[ ! -e "cxxlibs-6.0.13-i486-2.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/a/cxxlibs-6.0.13-i486-2.txz
[ ! -e "perl-5.10.1-i486-1.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/d/perl-5.10.1-i486-1.txz
[ ! -e "patch-2.5.4-i486-1.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/a/patch-2.5.4-i486-1.txz
[ ! -e "ncurses-5.7-i486-1.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/l/ncurses-5.7-i486-1.txz
[ ! -e "mpfr-2.4.2p03-i486-1.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/l/mpfr-2.4.2p03-i486-1.txz
[ ! -e "gcc-g++-4.4.4-i486-1.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/d/gcc-g++-4.4.4-i486-1.txz
[ ! -e "pkg-config-0.23-i486-2.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/d/pkg-config-0.23-i486-2.txz
[ ! -e "bc-1.06.95-i486-1.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/ap/bc-1.06.95-i486-1.txz
[ ! -e "cpio-2.9-i486-2.txz" ] && wget http://slackware.osuosl.org/slackware-13.1/slackware/a/cpio-2.9-i486-2.txz

upgradepkg --install-new *.txz

[ ! -e "${KDIR}_original" ] && mv $KDIR ${KDIR}_original
[ -e "$KDIR" ] && rm -rf $KDIR
[ -e "/usr/src/linux-$KVER" ] && rm -rf /usr/src/linux-$KVER

echo "Decompressing Kernel Source..."
tar -C /usr/src/ -xJf $SDIR/packages/linux-$KVER.tar.xz
mv /usr/src/linux-$KVER $KDIR

[ -e "/usr/src/linux" ] && rm -rf /usr/src/linux
ln -sf $KDIR /usr/src/linux

cp -rf ${KDIR}_original/. /usr/src/linux/

if [ "$1" == "make" ]; then
  cd /usr/src/linux && yes "" | make oldconfig && make
else
  echo -e '\n\n## cd /usr/src/linux && yes "" | make oldconfig && make menuconfig && make\n';
fi