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# 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>
# Contributor: Márcio Silva <coadde@parabola.nu>

_kernelname=

if [[ ${_kernelname} == "" ]]; then
  _basekernel=3.17
  _archrel=20
  _parabolarel=1
elif [[ ${_kernelname} == -lts ]]; then
  _basekernel=3.14
  _archrel=3
  _parabolarel=1
elif [[ ${_kernelname} == -grsec ]]; then
  _basekernel=3.16
  _archrel=1
  _parabolarel=1
elif [[ ${_kernelname} == -lts-grsec ]]; then
  _basekernel=3.14
  _archrel=1
  _parabolarel=1
elif [[ ${_kernelname} == -lts-knock ]]; then
  _basekernel=3.10
  _archrel=1
  _parabolarel=1
elif [[ ${_kernelname} == -rt ]]; then
  _basekernel=3.14
  _archrel=1
  _parabolarel=1
elif [[ ${_kernelname} == -pae ]]; then
  _basekernel=3.16
  _archrel=1
  _parabolarel=1
elif [[ ${_kernelname} == -xen ]]; then
  _basekernel=3.16
  _archrel=1
  _parabolarel=1
fi

_pkgname=bbswitch
pkgname=${_pkgname}${_kernelname}
pkgver=0.8
pkgrel=${_archrel}.parabola${_parabolarel}.basekernel${_basekernel}
_extramodules=extramodules-${_basekernel}${_kernelname}
pkgdesc="Kernel module allowing to switch dedicated graphics card on Optimus laptops (built for the linux-libre${_kernelname} kernel package)"
arch=('i686' 'x86_64' 'mips64el')
url="http://github.com/Bumblebee-Project/${_pkgname}"
license=('GPL')

# Generic (you shouldn't have to modify any of these variables)
_toohigh=$(IFS=. read a b <<<$_basekernel; echo $a.$((b+1)))
depends=("linux-libre${_kernelname}>=${_basekernel}" "linux-libre${_kernelname}<${_toohigh}")
makedepends=("linux-libre${_kernelname}-headers>=${_basekernel}" "linux-libre${_kernelname}-headers<${_toohigh}")

replaces=("${_pkgname}-libre${_kernelname}" "${_pkgname}-parabola${_kernelname}")
conflicts=("${_pkgname}-libre${_kernelname}" "${_pkgname}-parabola${_kernelname}")
if [[ ${_kernelname} != "" ]]; then
  provides=("${_pkgname}")
fi

install='kmod.install'
source=("https://github.com/Bumblebee-Project/bbswitch/archive/v${pkgver}.tar.gz")
md5sums=('5b116b31ace3604ddf9d1fc1f4bc5807')

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=${install}.pkg
  sed -i "s/^_EXTRAMODULES=.*/_EXTRAMODULES="${_extramodules}"/" "${startdir}/${install}"

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