pkgname=nvidia-390xx-lts
pkgver=390.77
pkgrel=3
pkgdesc="NVIDIA drivers for linux-lts, 390xx legacy branch"
arch=('x86_64')
url="http://www.nvidia.com/"
depends=("linux-lts=4.4.150"  "nvidia-390xx-utils=${pkgver}")
makedepends=("linux-lts-headers=4.4.150")
conflicts=('nvidia-340xx-lts' 'nvidia-lts')
license=('custom')
options=('!strip')
_extramodules=extramodules-CHAKRA-LTS
source=("http://us.download.nvidia.com/XFree86/Linux-x86_64/${pkgver}/NVIDIA-Linux-x86_64-${pkgver}-no-compat32.run")
sha512sums=('65b92ec7f9488a98a8579efcf5b00aca42945b1d0fd0f58aacebf45c772b0b896af8bbac3abec126a931752ef9504a727fac89220c115ff474c0521f3c214d99')

_pkg="NVIDIA-Linux-x86_64-${pkgver}-no-compat32"

prepare() {
    sh "${_pkg}.run" --extract-only
    cd "${_pkg}"
}

build() {
    KERNEL_VERSION=$(</usr/lib/modules/$_extramodules/version)
    msg2 "Kernel = $KERNEL_VERSION"
    
    cd "${_pkg}/kernel"
    make SYSSRC=/usr/lib/modules/$KERNEL_VERSION/build module
}

package() {
    install -Dt "${pkgdir}/usr/lib/modules/${_extramodules}" -m644 \
      "${srcdir}/${_pkg}/kernel"/nvidia{,-modeset,-drm,-uvm}.ko

    find "${pkgdir}" -name '*.ko' -exec gzip -n {} +

    echo "blacklist nouveau" |
      install -Dm644 /dev/stdin "${pkgdir}/usr/lib/modprobe.d/${pkgname}.conf"

    install -Dt "${pkgdir}/usr/share/licenses/${pkgname}" -m644 "${srcdir}/${_pkg}/LICENSE"
}