# Maintainer: Caleb Connolly <caleb@connolly.tech>
# Kernel config based on: arch/arm64/configs/defconfig

_flavor="oneplus-sdm845"
pkgname=linux-$_flavor
pkgver=5.7_git20200507
pkgrel=0
pkgdesc="Mainline kernel fork for OnePlus SDM845 devices"
arch="aarch64"
_carch="arm64"
url="https://gitlab.com/sdm845-mainline/sdm845-linux-next"
license="GPL-2.0-only"
options="!strip !check !tracedeps pmb:cross-native"
makedepends="bison findutils flex installkernel openssl-dev perl"

_config="config-$_flavor.$arch"

# Source
source="
	$url/-/archive/$pkgver-sdm845/sdm845-linux-next-$pkgver-sdm845.tar.gz
	$_config
"
builddir="$srcdir/sdm845-linux-next-$pkgver-sdm845"

prepare() {
	default_prepare
	mkdir -p "$srcdir"/build
	cp -v "$srcdir"/$_config "$srcdir"/build/.config
	make -C "$builddir" O="$srcdir"/build ARCH="$_carch" \
		olddefconfig
	# localversion-next is appended to the kernel image name when on a next
	# tag, delete it to ensure name becomes vmlinuz-$_flavor
	rm $builddir/localversion-next
	# Ensure extraversion is $_flavour.
	# NOTE: mkinitfs WILL fail if CONFIG_LOCALVERSION is set or
	# CONFIG_LOCALVERSION_AUTO is set
	sed -i "s/^EXTRAVERSION =.*/EXTRAVERSION = -$_flavor/g" $builddir/Makefile
}

build() {
	cd "$srcdir"/build
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-$_flavor"
}

package() {
	cd "$srcdir/build/arch/$_carch/boot"

	install -D "$srcdir/build/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"

	cd "$srcdir"/build
	mkdir -p "$pkgdir"/boot
	make -j1 zinstall modules_install dtbs_install \
		ARCH="$_carch" \
		INSTALL_PATH="$pkgdir"/boot/ \
		INSTALL_MOD_PATH="$pkgdir" \
		INSTALL_DTBS_PATH="$pkgdir/usr/share/dtb"
}

sha512sums="2ed04f7d285192b48cffe3272c41a4659b063907f296de66ed66ba9bdebdcf2e8d0143094dfd3f530e61ccb6ad509554184aed316fd104af50d94e95046f2452  sdm845-linux-next-5.7_git20200507-sdm845.tar.gz
1cfde45168ba129a28ddd64644eaaff18146082b652f8bc4081a01197fe7f16647778fcffb9b5ce06df8c0e57a3d72b5ee1895fdc6d58f8e36c4a646b9ab067b  config-oneplus-sdm845.aarch64"