# Maintainer (Arch): Sven-Hendrik Haase <sh@lutzhaase.com>
# Contributor (Arch): M0Rf30
# Contributor (Arch): Samsagax <samsagax@gmail.com>
# Contributor (Hyperbola): André Silva <emulatorman@hyperbola.info>
# Contributor (Hyperbola): Márcio Silva <coadde@hyperbola.info>
# Maintainer: Omar Vega Ramos <ovruni@gnu.org.pe>
# Contributor: Luke Shumaker <lukeshu@sbcglobal.net>

_kernelname=

if [[ ${_kernelname} == "" ]]; then
  _basekernel=4.14
  _archrel=96
  _parabolarel=1
elif [[ ${_kernelname} == -lts ]]; then
  _basekernel=4.9
  _archrel=38
  _parabolarel=1
fi

pkgbase=bbswitch
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')
url="http://github.com/Bumblebee-Project/${pkgbase}"
license=('GPL')

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

if [[ ${_kernelname} != "" ]]; then
  provides=("${pkgbase}")
fi

source=("${pkgbase}-${pkgver}.tar.gz::https://github.com/Bumblebee-Project/bbswitch/archive/v${pkgver}.tar.gz")
sha256sums=('76cabd3f734fb4fe6ebfe3ec9814138d0d6f47d47238521ecbd6a986b60d1477')

build() {
  cd "${pkgbase}-${pkgver}"
  _kernver="$(cat /usr/lib/modules/${_extramodules}/version)"
  make KDIR=/lib/modules/${_kernver}/build
}

_package() {
  depends=("linux-libre${_kernelname}>=${_basekernel}" "linux-libre${_kernelname}<${_toohigh}")
  replaces=("${pkgbase}-libre${_kernelname}" "${pkgbase}-parabola${_kernelname}")
  conflicts=("${pkgbase}-libre${_kernelname}" "${pkgbase}-parabola${_kernelname}")

  cd "${pkgbase}-${pkgver}"
  install -Dt "${pkgdir}/usr/lib/modules/${_extramodules}" -m644 bbswitch.ko
  find "${pkgdir}" -name '*.ko' -exec gzip -n {} +
}

if [[ ${_kernelname} == "" ]]; then
  _package-dkms() {
    depends=('dkms')
    conflicts=('bbswitch')
    provides=('bbswitch')

    cd "${pkgbase}-${pkgver}"
    install -Dt "${pkgdir}/usr/src/${pkgbase}-${pkgver}" -m644 Makefile bbswitch.c dkms/dkms.conf
  }

  pkgname=("${pkgbase}${_kernelname}" "${pkgbase}${_kernelname}-dkms")
else
  pkgname=("${pkgbase}${_kernelname}")
fi

for _p in ${pkgname[@]}; do
  eval "package_${_p}() {
    $(declare -f "_package${_p#${pkgbase}${_kernelname}}")
    _package${_p#${pkgbase}${_kernelname}}
  }"
done