#!/bin/bash
set -e -x
CWD=$(pwd)
VER=3.10.32
BUILD=2
DST=/usr/src/linux-$VER
PKG=/tmp/kernel-$VER
SRC=$CWD/aufs3-standalone.git/

# how to get aufs and utils:
#  git clone git://aufs.git.sourceforge.net/gitroot/aufs/aufs3-standalone.git aufs3-standalone.git
#  cd aufs3-standalone.git
#  git checkout origin/aufs3.6
#  cd ..
#  git clone git://aufs.git.sourceforge.net/gitroot/aufs/aufs-util.git aufs-util.git
#  cd aufs-util.git
#  git checkout origin/aufs3.0

if [ ! -r linux-$VER.tar.xz ]; then
   wget -c http://www.kernel.org/pub/linux/kernel/v3.0/linux-$VER.tar.xz
fi

# -- tar -xf additions.tar.gz

# Automatically determine the architecture we're building on:
if [ -z "$MYARCH" ]; then
  case "$( uname -m )" in
    i?86) export MYARCH=i486 ;;
    arm*) export MYARCH=arm ;;
    # Unless $MYARCH is already set, use uname -m for all other archs:
       *) export MYARCH=$( uname -m ) ;;
  esac
fi

rm -Rf $PKG
#umount $DST 2>/dev/null | true
rm -Rf $DST
mkdir -p $DST
cd $DST

# decompress
tar -C .. -xf $CWD/linux-$VER.tar.*

cd $DST
# configure
cat $CWD/config >.config
#patch -p1 <$CWD/aufs3.patch
#patch -p1 <$CWD/fremap.patch
# -- patch -p1 <$CWD/bootsplash-3.8.0.diff
rm -f scripts/mkcompile_h
cp $CWD/mkcompile_h scripts/mkcompile_h


cd $DST
# kernel logo
cp -f $CWD/truva_logo_linux_clut224.ppm  drivers/video/logo/logo_linux_clut224.ppm 
#cp $SRC/../logo_linux_clut224.ppm drivers/video/logo/

# make
make all
make headers_install
#cp $DST/usr/include/linux/aufs_type.h /usr/include/linux

# create package data
mkdir -p $PKG/boot
cp $DST/arch/x86/boot/bzImage $PKG/boot/vmlinuz
make modules_install INSTALL_MOD_PATH=$PKG
make firmware_install INSTALL_MOD_PATH=$PKG
mkdir -p $PKG/usr/include/linux
#cp $DST/usr/include/linux/aufs_type.h $PKG/usr/include/linux

# compile and install aufs utils
#BUILD=2
# make final package
cd $PKG
find | xargs -I '{}' strip --strip-unneeded '{}' || true

makepkg -l y -c n $CWD/linux-kernel-$VER-$MYARCH-$BUILD.txz

#sleep 60
#halt