add linux-git kernel

# Maintainer: Sébastien Luttringer <seblu@aur.archlinux.org>

# Customized version of linux for seblu computers

shopt -s nullglob

pkgname=linux-git

kernelsuf=${pkgname#linux}

pkgver=1

pkgrel=1

arch=('x86_64')

license=('GPL2')

url='http://www.kernel.org'

options=('!strip')

makedepends=('xmlto' 'docbook-xsl')

source=(

  'config.x86_64'

  'config.i686'

)

# small hack to avoid makepkg to check checksum

SKIPCHECKSUMS=1

gitroot='git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git'

gitname='linux'

build() {

  if (( NOEXTRACT==0 )); then

    if [[ -d $gitname ]] ; then

      msg2 'Pulling git'

      cd $gitname

#      git pull origin

#      git reset --hard

#      git clean -dfx

    else

      msg2 'Cloning git'

      git clone --depth 1 "$gitroot"

      cd $gitname

    fi

    # patching sources

    for _f in "$srcdir"/*.patch; do

      msg2 "  Applying patch ${_f##*/}"

      patch -N -p1 -i "$_f"

    done

	  # loading default config

    # use make localmodconfig to check .config is correct

    msg2 'Copying config'

    install "$srcdir"/config.$CARCH .config

	  # removing last dot if zero

	  #sed -ri 's/^SUBLEVEL = 0$/SUBLEVEL =/' Makefile

  fi

#  msg2 "Kernel version: $kernelver"

#  msg2 "Kernel suffix: $kernelsuf"

	# updating suffixe in config (must be the right!)

	msg2 'Setting kernel suffix'

	sed -i "s|CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"${kernelsuf}\"|g" .config

  # define current build version

  echo $((pkgrel - 1)) > .version

  # Preapre compilation

  msg2 'Preparing compilation'

  yes '' | make config &>/dev/null

  nice -n 19 make prepare &>/dev/null

  cpucount=$(grep -c processor /proc/cpuinfo 2>/dev/null)

  jc=$((${cpucount:-1}))

  # Compiling sources

  msg2 "Compiling (jobs=$jc)"

  nice -n 19 make -j $jc bzImage modules

}

package() {

  cd linux

  # get real compiled kernel version

  compver=$(make kernelrelease)

  pkgname=$pkgname-$compver

  pkgdesc="The Linux Kernel, version $compver"

  provides=('linux' 'linux-headers' 'linux-docs')

  depends=('coreutils' 'linux-firmware' 'module-init-tools' 'mkinitcpio')

  install='install'

  sed -ri "s/pkgname=.*/pkgname='$pkgname'/" "$startdir/install"

  # installing modules

  install -d "$pkgdir"/{lib/modules,boot}

  make INSTALL_MOD_PATH="$pkgdir" modules_install

  # install kernel and map

  cp arch/x86/boot/bzImage "$pkgdir/boot/kernel-${compver}"

  # install mkinitcpio preset file for kernel

  install -d "${pkgdir}/etc/mkinitcpio.d/"

  cat > "${pkgdir}/etc/mkinitcpio.d/${pkgname}.preset" << EOF 

# mkinitcpio preset file for ${pkgname}

ALL_config="/etc/mkinitcpio.conf"

ALL_kver="/boot/kernel-${compver}"

PRESETS=('default' 'fallback')

#default_config="/etc/mkinitcpio.conf"

default_image="/boot/initramfs-${compver}.img"

#default_options=""

#fallback_config="/etc/mkinitcpio.conf"

fallback_image="/boot/initramfs-${compver}-fallback.img"

fallback_options="-S autodetect"

EOF

  # setup current version package (used by install script)

  install -d "${pkgdir}/usr/share/${pkgname}"

  cat > "${pkgdir}/usr/share/${pkgname}/info" << EOF

KERNEL_NAME=${pkgname}

KERNEL_VERSION=${kernelver}

KERNEL_SUFFIX=${kernelsuf}

KERNEL_BUILD=${compver}

EOF

  # remove build and source links

  rm -f "$pkgdir/lib/modules/$compver"/{source,build}

  # remove the firmware (avoiding conflict with 2.6

  rm -rf "$pkgdir/lib/firmware"

  # copy documentation

  install -d "$pkgdir/usr/src/linux-$compver"

  cp -r Documentation "$pkgdir/usr/src/linux-$compver"

  # copy headers

  copy_headers

  # check rights

  chown -R root.root "$pkgdir/usr/src/linux-$compver"

  chmod -R u=rwX,go=rX "$pkgdir/usr/src/linux-$compver"

  # gzip -9 all modules to safe 100MB of space

  find "$pkgdir" -name '*.ko' -exec gzip -9 {} \;

}

copy_headers() {

  install -d "$pkgdir/lib/modules/$compver"

  ln -sf ../../../usr/src/linux-$compver "$pkgdir/lib/modules/$compver/build"

  cd "$srcdir/linux"

  install -D -m644 Makefile "$pkgdir/usr/src/linux-$compver/Makefile"

  install -D -m644 kernel/Makefile "$pkgdir/usr/src/linux-$compver/kernel/Makefile"

  install -D -m644 .config "$pkgdir/usr/src/linux-$compver/.config"

  for i in localversion*; do

    install -m644 "$i" "$pkgdir/usr/src/linux-$compver/$i"

  done

  install -d "$pkgdir/usr/src/linux-$compver/include"

  for i in acpi asm-generic config generated linux math-emu media net pcmcia scsi sound trace video xen; do

    cp -a include/$i "$pkgdir/usr/src/linux-$compver/include/"

  done

  # copy arch includes for external modules

  install -d "$pkgdir/usr/src/linux-$compver/arch/x86"

  cp -a arch/x86/include "$pkgdir/usr/src/linux-$compver/arch/x86/"

  # copy files necessary for later builds, like nvidia and vmware

  cp Module.symvers "$pkgdir/usr/src/linux-$compver"

  cp -a scripts "$pkgdir/usr/src/linux-$compver"

  # fix permissions on scripts dir

  chmod og-w -R "$pkgdir/usr/src/linux-$compver/scripts"

  install -d "$pkgdir/usr/src/linux-$compver/.tmp_versions"

  install -d "$pkgdir/usr/src/linux-$compver/arch/x86/kernel"

  cp arch/x86/Makefile "$pkgdir/usr/src/linux-$compver/arch/x86/"

  cp arch/x86/kernel/asm-offsets.s "$pkgdir/usr/src/linux-$compver/arch/x86/kernel/"

  # add headers for lirc package

  install -d "$pkgdir/usr/src/linux-$compver/drivers/media/video"

  cp drivers/media/video/*.h  "$pkgdir/usr/src/linux-$compver/drivers/media/video/"

  for i in bt8xx cpia2 cx25840 cx88 em28xx et61x251 pwc saa7134 sn9c102; do

   install -d "$pkgdir/usr/src/linux-$compver/drivers/media/video/$i"

   cp -a drivers/media/video/$i/*.h "$pkgdir/usr/src/linux-$compver/drivers/media/video/$i"

  done

  # add docbook makefile

  install -D -m644 Documentation/DocBook/Makefile \

    "$pkgdir/usr/src/linux-$compver/Documentation/DocBook/Makefile"

  # add dm headers

  install -d "$pkgdir/usr/src/linux-$compver/drivers/md"

  cp drivers/md/*.h  "$pkgdir/usr/src/linux-$compver/drivers/md"

  # add inotify.h

  install -d "$pkgdir/usr/src/linux-$compver/include/linux"

  cp include/linux/inotify.h "$pkgdir/usr/src/linux-$compver/include/linux/"

  # add wireless headers

  install -d "$pkgdir/usr/src/linux-$compver/net/mac80211/"

  cp net/mac80211/*.h "$pkgdir/usr/src/linux-$compver/net/mac80211/"

  # add dvb headers for external modules

  # in reference to:

  # http://bugs.archlinux.org/task/9912

  install -d "$pkgdir/usr/src/linux-$compver/drivers/media/dvb/dvb-core"

  cp drivers/media/dvb/dvb-core/*.h "$pkgdir/usr/src/linux-$compver/drivers/media/dvb/dvb-core/"

  # add dvb headers for external modules

  # in reference to:

  # http://bugs.archlinux.org/task/11194

  install -d "$pkgdir/usr/src/linux-$compver/include/config/dvb/"

  cp include/config/dvb/*.h "$pkgdir/usr/src/linux-$compver/include/config/dvb/"

  # add dvb headers for http://mcentral.de/hg/~mrec/em28xx-new

  # in reference to:

  # http://bugs.archlinux.org/task/13146

  install -d "$pkgdir/usr/src/linux-$compver/drivers/media/dvb/frontends/"

  cp drivers/media/dvb/frontends/lgdt330x.h "$pkgdir/usr/src/linux-$compver/drivers/media/dvb/frontends/"

  cp drivers/media/video/msp3400-driver.h "$pkgdir/usr/src/linux-$compver/drivers/media/dvb/frontends/"

  # add dvb headers

  # in reference to:

  # http://bugs.archlinux.org/task/20402

  install -d "$pkgdir/usr/src/linux-$compver/drivers/media/dvb/dvb-usb"

  cp drivers/media/dvb/dvb-usb/*.h "$pkgdir/usr/src/linux-$compver/drivers/media/dvb/dvb-usb/"

  install -d "$pkgdir/usr/src/linux-$compver/drivers/media/dvb/frontends"

  cp drivers/media/dvb/frontends/*.h "$pkgdir/usr/src/linux-$compver/drivers/media/dvb/frontends/"

  install -d "$pkgdir/usr/src/linux-$compver/drivers/media/common/tuners"

  cp drivers/media/common/tuners/*.h "$pkgdir/usr/src/linux-$compver/drivers/media/common/tuners/"

  # add xfs and shmem for aufs building

  install -d "$pkgdir/usr/src/linux-$compver/fs/xfs"

  install -d "$pkgdir/usr/src/linux-$compver/mm"

  cp fs/xfs/xfs_sb.h "$pkgdir/usr/src/linux-$compver/fs/xfs/xfs_sb.h"

  # add headers vor virtualbox

  # in reference to:

  # http://bugs.archlinux.org/task/14568

  cp -a include/drm "$pkgdir/usr/src/linux-$compver/include/"

  # add headers for broadcom wl

  # in reference to:

  # http://bugs.archlinux.org/task/14568

  cp -a include/trace "$pkgdir/usr/src/linux-$compver/include/"

  # copy in Kconfig files

  for i in `find . -name "Kconfig*"`; do

    install -d "$pkgdir/usr/src/linux-$compver"/$(echo $i | sed 's|/Kconfig.*||')

    cp "$i" "$pkgdir/usr/src/linux-$compver/$i"

  done

  # remove unneeded architectures

  rm -rf "$pkgdir/usr/src/linux-$compver/arch"/{alpha,arm,arm26,avr32,blackfin,cris,frv,h8300,ia64,m32r,m68k,m68knommu,mips,microblaze,mn10300,parisc,powerpc,ppc,s390,sh,sh64,sparc,sparc64,um,v850,xtensa}

}

# vim:set ts=2 sw=2 ft=sh et:

# arg 1:  the new package version

# arg 2:  the old package version

pkgname='linux-git-3.3.0-rc1-git-00186-gcf33e77'

post_install () {

  source /usr/share/$pkgname/info

  echo "==> Updating dependancy..."

  depmod ${KERNEL_BUILD}

  echo "==> Generationg init root filesystem..."

  mkinitcpio -p $pkgname

  if which grub-mkconfig >/dev/null; then

    echo "==> Updating grub2 configuration..."

    grub-mkconfig -o /boot/grub/grub.cfg

  fi

  #if test -e /usr/bin/VirtualBox; then

  #  compile_vbox_modules

  #fi

}

pre_upgrade() {

  pre_remove

}

post_upgrade() {

  post_install

}

pre_remove() {

  test -e "/usr/share/$pkgname/info" || return

  source /usr/share/$pkgname/info

  echo "==> Cleaning initcpio..."

  rm -vf /boot/initramfs-${KERNEL_BUILD}.img

  rm -vf /boot/initramfs-${KERNEL_BUILD}-fallback.img

  echo "==> Cleaning kernel modules"

  rm -rf /lib/modules/${KERNEL_BUILD}

}

post_remove() {

  if which grub-mkconfig >/dev/null; then

    echo "==> Updating grub2 configuration..."

    grub-mkconfig -o /boot/grub/grub.cfg

  fi

}

#compile_vbox_modules() {

#    echo "==> Compiling VirtualBox modules"

#

#    # Preparing environment

#    export KERN_DIR=/lib/modules/${KERNEL_BUILD}/build

#    export MODULE_DIR=/lib/modules/${KERNEL_BUILD}/misc

#    LOG="/var/log/vbox-install.log"

#    . /etc/vbox/vbox.cfg

#

#    if [ -n "$INSTALL_DIR" ]; then

#      VBOXMANAGE="$INSTALL_DIR/VBoxManage"

#      BUILDVBOXDRV="$INSTALL_DIR/src/vboxhost/vboxdrv/build_in_tmp"

#      BUILDVBOXNETFLT="$INSTALL_DIR/src/vboxhost/vboxnetflt/build_in_tmp"

#      BUILDVBOXNETADP="$INSTALL_DIR/src/vboxhost/vboxnetadp/build_in_tmp"

#    else

#      echo "==> Missing vbox.cfg"

#      return

#    fi

#

#    # building vboxdrv

#    echo "==> Compiling vboxdrv"

#    if ! $BUILDVBOXDRV \

#      --save-module-symvers /tmp/vboxdrv-Module.symvers \

#      --no-print-directory install > $LOG 2>&1; then

#      echo  "Look at $LOG to find out what went wrong"

#    fi

#

#    # building vboxnetflt

#    echo "==> Compiling vboxnetflt"

#    if ! $BUILDVBOXNETFLT \

#      --use-module-symvers /tmp/vboxdrv-Module.symvers \

#      --no-print-directory install >> $LOG 2>&1; then

#      echo "Look at $LOG to find out what went wrong"

#    fi

#

#    # build vboxnetadp

#    echo "==> Compiling vboxnetadp"

#    if ! $BUILDVBOXNETADP \

#      --use-module-symvers /tmp/vboxdrv-Module.symvers \

#      --no-print-directory install >> $LOG 2>&1; then

#      echo "Look at $LOG to find out what went wrong"

#    fi

#}

# vim:set ts=2 sw=2 ft=sh et: