# Maintainer: Yardena Cohen <yardenack at gmail dot com>
# tracks: https://projects.archlinux.org/svntogit/packages.git/log/trunk?h=packages/linux

pkgname=linux-linode
_basekernel=5.2.21
_hardenedver=a
pkgrel=1
_kernelname=${pkgname#linux}
_srcname=linux-${_basekernel}
_patchname=linux-hardened
pkgver=${_basekernel}.${_hardenedver}
arch=('x86_64')
url="https://github.com/yardenac/linux-linode"
license=(GPL2)
makedepends=(xmlto docbook-xsl kmod inetutils bc libelf)
options=('!strip')
source=("https://www.kernel.org/pub/linux/kernel/v5.x/${_srcname}.tar."{xz,sign}
        "https://github.com/anthraxx/${_patchname}/releases/download/${pkgver}/${_patchname}-${pkgver}.patch"{,.sig}
        'config'
        '08_linux_linode'
        '99-grub-ll.hook'
        'menu.lst'
        'preset')
sha512sums=('359140f413e95442d7b873a5da17edfade915baf99d71a7a02194f363a1216d0830632622c2c93aba82014d20b20680cd01f018f9c815dea4e28594a396bfb03' 'SKIP'
            'a6b710de2dba9de3a1138e6d3e6affbdac863952bd07e8a66cfc3bd7dee4c2d24097fc3ae7ccb1f1e1e1ee680a6442b180c09d335c0cfe6d8086c45ced06d8a9' 'SKIP'
            '25beba1972f356e4e5c7e9bb917e0a8ba18288ae6c409f77dfe0a6044a943e28d3a8964a82fcc76ccbe55eab94ee0084d188ef733bb9cc5d98adc00af2c36f5a'
            '1e901b8894743e9dcb04046a5fa58e14b19095b3295abae679dcbbf309bd79ddf1716dcd07ae8a71e7cdc9361216c0c9da12a76edb45e9388c512b07df7759e7'
            'db9080b2548e4dcd61eaaf20cd7d37cbbc8c204ce85a2e3408d0671f6b26010f77a61affd2c77e809768714eca29d3afb64765a3f2099317a2c928eff3feb4cf'
            '2beaa01dc9679a66ccbbca0f4abeb0f77956651e3f83f114030b2ef344a16240124a549ccee2588b6a1179be6a66b4a8dc931e2c15c4d5282afeb85bb6ada210'
            'a0a78831075336edef0a8faa34fa550986c3c4d89a89f4f39d798da0211129dc90257d162bec2cdefabef2eb5886a710e70c72074b2f3016788861d05d1e2a1f')
sha256sums=('9a8ee3ff75dabffa76141c8dc7529dfbb3ca07888a3708a13f15b412268b3538' 'SKIP'
            '2792d3c6131129e0200fa19dfc97c567dc40badb0cb7cb66972b96d4428b0642' 'SKIP'
            'b0306c22fa50ef5a4ccf00df08db6aef8624bf243f2498d861edd39cff112479'
            'a2295cee5ae8c8d9c3efb0483e5e842f6bd9753f851c7433465b242264738546'
            '368fb58e7aa465f597e9a72da4b6eea4183c1a85242173412d54ad18d10d8fb3'
            'cdb351170b2b3c7b29b397bb9edff6d7c4a9c9e0ef8794b0c081ab5d5a74a9f4'
            '33d9f913e4aed9f41bf263ff784921ab7d69597732079cbd06ff05b9adb32f44')
md5sums=('5d47ce4d32eac76a6ae02522c0d65218' 'SKIP'
         '3d57c8cb30e455bec8f86a16e1d46208' 'SKIP'
         'e230badc3f8368c4e0bfe5d3a8807c04'
         'b24775bcf1d7a04c1d489af73c6e74b0'
         '625481f015365febcd65aa136ee555f9'
         '8539e1756666d404e3bbc083b5d43ced'
         '3d6427cc412dbc226b5d058c82ba7c66')
validpgpkeys=(
              'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linux Torvalds
              '647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
              'E240B57E2C4630BA768E2F26FC1B547C8D8172C8' # Levente Polyak
)
pkgdesc="Kernel for Linode servers"
depends=(coreutils linux-firmware kmod mkinitcpio grub)
provides=(linux)
conflicts=(grub-legacy)
backup=(etc/mkinitcpio.d/${pkgname}.preset boot/grub/menu.lst)

prepare() {
  cd "${srcdir}/${_srcname}"
  patch -p1 -i "${srcdir}/${_patchname}-${pkgver}.patch"
  sed -e "/^EXTRAVERSION =/s/=.*/= .${_hardenedver}/" -i Makefile
  scripts/setlocalversion --save-scmversion
  cp "${srcdir}/config" .config
  make oldconfig
  make -s kernelrelease > ../version
}

build() {
  cd "${srcdir}/${_srcname}"
  [[ "$MAKEFLAGS" =~ -j[0-9]* ]] || MAKEFLAGS+=" -j$(nproc)"
  ionice -c 3 nice -n 16 make ${MAKEFLAGS} bzImage modules
}

package() {
  cd "${srcdir}/${_srcname}"
  local _kernver="$(<${srcdir}/version)"
  local modulesdir="$pkgdir"/usr/lib/modules/$kernver
  mkdir -p "$modulesdir" "${pkgdir}"/boot/grub
  make INSTALL_MOD_PATH="${pkgdir}/usr" modules_install
  rm -rf "${pkgdir}"/usr/lib/modules/${_kernver}/{source,build}
  echo "$pkgname" | install -Dm644 /dev/stdin  "$modulesdir/pkgbase"
  install -D -m644 "$(make -s image_name)"     "$modulesdir/vmlinuz"
  install -D -m644 "${srcdir}/preset" "${pkgdir}/etc/mkinitcpio.d/${pkgname}.preset"
  install -D -m644 "${srcdir}/99-grub-ll.hook"      "${pkgdir}/usr/share/libalpm/hooks/99-grub-ll.hook"
  install -D -m755 "${srcdir}/08_linux_linode" "${pkgdir}/etc/grub.d/08_linux_linode"
  sed "s/%VER%/${pkgver}-${pkgrel}/ig" "${srcdir}/menu.lst" > "${pkgdir}/boot/grub/menu.lst"
  chmod -Rc u=rwX,go=rX "$pkgdir"
}