# $Id: PKGBUILD 116821 2014-08-04 07:12:07Z tpowa $
# Maintainer (Arch): Sven-Hendrik Haase <sh@lutzhaase.com>
# Contributor (Arch): M0Rf30
# Contributor (Arch): Samsagax <samsagax@gmail.com>
# Maintainer: André Silva <emulatorman@parabola.nu>
# Contributor: Luke Shumaker <lukeshu@sbcglobal.net>

# Kernel info
_basekernel=3.14
_kernelname=-lts

# Source info
_pkgname=bbswitch
pkgver=0.8
pkgdesc="Kernel module allowing to switch dedicated graphics card on Optimus laptops (built for the linux-libre${_kernelname} kernel package)"
url="http://github.com/Bumblebee-Project/bbswitch"
license=('GPL')
source=("https://github.com/Bumblebee-Project/bbswitch/archive/v${pkgver}.tar.gz")
md5sums=('5b116b31ace3604ddf9d1fc1f4bc5807')

# Package info
pkgrel=16.${_basekernel/./}
arch=('i686' 'x86_64')
install='kmod.install'

# Generic (you shouldn't have to modify any of these variables)
pkgname=${_pkgname}-parabola${_kernelname}
_toohigh=$(IFS=. read a b <<<$_basekernel; echo $a.$((b+1)))
_extramodules=extramodules-${_basekernel}${_kernelname}
depends=("linux-libre${_kernelname}>=${_basekernel}" "linux-libre${_kernelname}<${_toohigh}")
makedepends=("linux-libre${_kernelname}-headers>=${_basekernel}" "linux-libre${_kernelname}-headers<${_toohigh}")
replaces=( "${_pkgname}${_kernelname}") # for Arch-compatability
conflicts=("${_pkgname}${_kernelname}") # for Arch-compatability
provides=( "${_pkgname}${_kernelname}=${pkgver}") # for Arch-compatability
if [[ -n "${_kernelname}" ]]; then
  provides+=("${_pkgname}-parabola=${pkgver}") # pkgname without _kernelname
fi

build() {
  cd "${srcdir}/${_pkgname}-${pkgver}"

  _kernver="$(cat /usr/lib/modules/${_extramodules}/version)"

  make KDIR=/lib/modules/${_kernver}/build
}

package() {
  cd "${srcdir}/${_pkgname}-${pkgver}"

  # Set the correct extramodules directory for install
  cp -f "${startdir}/${install}" "${startdir}/${install}.pkg"
  true && install=${install}.pkg
  sed -r "s/(_extramodules=).*/\1${_extramodules}/" -i "${startdir}/${install}"

  # Actually install
  install -Dm644 bbswitch.ko "${pkgdir}"/usr/lib/modules/${_extramodules}/bbswitch.ko
  gzip "${pkgdir}/usr/lib/modules/${_extramodules}/bbswitch.ko"                      
}