File PKGBUILD of Package linux-mainline

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File PKGBUILD of Package linux-mainline

# Maintainer: None
# Used for testing 
# 
# Based on AUR package by
# Maintainer: Mikael Eriksson <mikael_eriksson[@]miffe.org>
#
# Based on the linux package by:
# Maintainer: Jan Alexander Steffens (heftig) <heftig[@]archlinux.org>

pkgbase=linux-mainline               # Build stock -ARCH kernel
#pkgbase=linux-custom       # Build kernel with a different name
pkgname=(
  "$pkgbase"
#  "$pkgbase-headers"
#  "$pkgbase-docs"
)
# build w/o headers & docs to make build faster
_tag=v6.10-rc1
pkgver=6.10rc1
_srcname=linux-6.10-rc1
pkgrel=1
pkgdesc="Linux Mainline"
arch=(x86_64)
url="https://kernel.org/"
license=(GPL-2.0-only)
makedepends=(
  bc
  cpio
  gettext
  git
  libelf
  pahole
  perl
  python
  tar
  xz
)
options=(
  !strip
  !debug
)
#_srcname=linux-mainline

source=(
  "https://codeload.github.com/torvalds/linux/tar.gz/refs/tags/$_tag"
  #"https://raw.githubusercontent.com/archlinux/aur/linux-mainline/config"         # the main kernel config file
  "https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/raw/main/config"
)
validpgpkeys=(
  'ABAF11C65A2970B130ABE3C479BE3E4300411886'  # Linus Torvalds
  '647F28654894E3BD457199BE38DBBDC86092693E'  # Greg Kroah-Hartman
  'A2FF3A36AAA56654109064AB19802F8B0D70FC30'  # Jan Alexander Steffens (heftig)
)
sha256sums=('SKIP'
            'SKIP')

export KBUILD_BUILD_HOST=archlinux
export KBUILD_BUILD_USER=$pkgbase
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"

_make() {
  test -s version
  make KERNELRELEASE="$(<version)" "$@"
}

prepare() {
  cd $_srcname

echo "Setting version..."
  echo "-$pkgrel" > localversion.10-pkgrel
  echo "${pkgbase#linux}" > localversion.20-pkgname
  make defconfig
  make -s kernelrelease > version
  make mrproper

local src
  for src in "${source[@]}"; do
    src="${src%%::*}"
    src="${src##*/}"
    [[ $src = *.patch ]] || continue
    echo "Applying patch $src..."
    patch -Np1 < "../$src"
  done

echo "Setting config..."
  cp ../config .config
  _make olddefconfig
  diff -u ../config .config || :

echo "Prepared $pkgbase version $(<version)"
}

build() {
  cd $_srcname
  __nthreads=$(($(nproc) + 1))
  make -j${__nthreads} all
#  _make all
#  _make htmldocs
}

_package() {
  pkgdesc="The $pkgdesc kernel and modules"
  depends=(
    coreutils
    initramfs
    kmod
  )
  optdepends=(
    'wireless-regdb: to set the correct wireless channels of your country'
    'linux-firmware: firmware images needed for some devices'
  )
  provides=(
    KSMBD-MODULE
    VIRTUALBOX-GUEST-MODULES
    WIREGUARD-MODULE
  )

cd $_srcname
  local modulesdir="$pkgdir/usr/lib/modules/$(<version)"

echo "Installing boot image..."
  # systemd expects to find the kernel here to allow hibernation
  # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
  install -Dm644 "$(_make -s image_name)" "$modulesdir/vmlinuz"

# Used by mkinitcpio to name the kernel
  echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"

echo "Installing modules..."
  ZSTD_CLEVEL=19 _make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
    DEPMOD=/doesnt/exist modules_install  # Suppress depmod

# remove build and source links
  rm -f "$modulesdir"/{source,build}
}

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

# vim:set ts=8 sts=2 sw=2 et:

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