add package content

1 files changed, 221 insertions, 0 deletions

diff --git a/PKGBUILD b/PKGBUILD
new file mode 100644
index 000000000000..757c00884670
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+++ b/PKGBUILD
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+# Maintainer: Alexey Rychkov <dev at nightfog.net>
+# Contributor: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
+
+# Arch Linux kernel source
+_ver=5.13.1.arch1
+_srcname=archlinux-linux
+_srcurl="https://github.com/archlinux/linux.git"
+# Bcachefs kernel source
+_bcachefstag=v5.13
+_bcachefsname=bcachefs-linux
+_bcachefsurl="https://evilpiepirate.org/git/bcachefs.git"
+
+pkgbase=linux-simple-bcachefs-git
+pkgver=5.13.1.arch1.r914
+pkgrel=1
+pkgdesc='Linux'
+_srctag=v${_ver%.*}-${_ver##*.}
+url="https://github.com/archlinux/linux/commits/$_srctag"
+arch=(x86_64)
+license=(GPL2)
+makedepends=(
+  bc kmod libelf pahole cpio perl tar xz
+  git
+)
+options=('!strip')
+source=(config         # the main kernel config file
+)
+sha256sums=('6030ad40747f2055165a6a9081122034ed45283b51533c9018eda6ebec200b84'
+)
+
+export KBUILD_BUILD_HOST=archlinux
+export KBUILD_BUILD_USER=$pkgbase
+export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
+
+prepare() {
+  local bcachefspatch="${srcdir}/bcachefs.patch"
+  echo "Extracting ${_bcachefsname} tree..."
+  ( cd "${srcdir}/$_bcachefsname" && git fetch --depth 1 "$_bcachefsurl" "$_bcachefstag" && git checkout FETCH_HEAD ) ||
+  ( cd "$srcdir" && rm -rf "$_bcachefsname" && git clone --depth 1 --branch "$_bcachefstag" "$_bcachefsurl" "$_bcachefsname" )
+
+  cd "${srcdir}/$_bcachefsname"
+  local version1="$(grep -m 1 -E "^VERSION\s*=\s*[0-9]+\s*$" Makefile | sed -e "s/[^0-9]//g")"
+  local patchlevel1="$(grep -m 1 -E "^PATCHLEVEL\s*=\s*[0-9]+\s*$" Makefile | sed -e "s/[^0-9]//g")"
+
+  echo "Extracting bcachefs patch..."
+  git fetch --shallow-exclude="$_bcachefstag" "$_bcachefsurl"
+  local gitMakefile="$(git show FETCH_HEAD:Makefile)"
+  local version2="$(echo "$gitMakefile" | grep -m 1 -E "^VERSION\s*=\s*[0-9]+\s*$" | sed -e "s/[^0-9]//g")"
+  local patchlevel2="$(echo "$gitMakefile" | grep -m 1 -E "^PATCHLEVEL\s*=\s*[0-9]+\s*$" | sed -e "s/[^0-9]//g")"
+
+  if test "$version1" != "$version2" || test "$patchlevel1" != "$patchlevel2"; then
+    echo "Expected version is ${version1}.${patchlevel1}, but bcachefs git version is ${version2}.${patchlevel2}. Stopping."
+    exit 1;
+  fi
+  git diff HEAD FETCH_HEAD > "$bcachefspatch"
+
+  echo "Extracting ${_srcname} tree..."
+  ( cd "${srcdir}/$_srcname" && git fetch --depth 1 "$_srcurl" "$_srctag" &&
+    git checkout -f FETCH_HEAD && git clean -fdq ) ||
+  ( cd "$srcdir" && rm -rf "$_srcname" && git clone --depth 1 --branch "$_srctag" "$_srcurl" "$_srcname" )
+  cd "${srcdir}/$_srcname"
+
+  echo "Setting version..."
+  scripts/setlocalversion --save-scmversion
+  echo "-$pkgrel" > localversion.10-pkgrel
+  echo "${pkgbase#linux}" > localversion.20-pkgname
+
+  local src
+  for src in "${source[@]}"; do
+    src="${src%%::*}"
+    src="${src##*/}"
+    [[ $src = *.patch ]] || continue
+    echo "Applying patch $src..."
+    patch -Np1 < "../$src"
+  done
+
+  echo "Applying patch bcachefs.patch..."
+  patch -Np1 < "$bcachefspatch"
+
+  cd "${srcdir}/$_srcname"
+
+  echo "Setting config..."
+  cp ../config .config
+  printf '%s\n%s\n%s\n%s\n%s\n' \
+    "CONFIG_BCACHEFS_FS=y" \
+    "CONFIG_BCACHEFS_QUOTA=y" \
+    "CONFIG_BCACHEFS_POSIX_ACL=y" \
+    "# CONFIG_BCACHEFS_DEBUG is not set" \
+    "# CONFIG_BCACHEFS_TESTS is not set" >> .config
+  make olddefconfig
+
+  make -s kernelrelease > version
+  echo "Prepared $pkgbase version $(<version)"
+}
+
+pkgver() {
+  cd "$_bcachefsname"
+  printf "%s.r%s" "$_ver" "$(git rev-list --count FETCH_HEAD)"
+}
+
+build() {
+  cd $_srcname
+  make all
+}
+
+_package() {
+  pkgdesc="The $pkgdesc kernel and modules with bcachefs support"
+  depends=(coreutils kmod initramfs)
+  optdepends=('crda: to set the correct wireless channels of your country'
+              'linux-firmware: firmware images needed for some devices')
+  provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE)
+  replaces=(virtualbox-guest-modules-arch wireguard-arch)
+
+  cd $_srcname
+  local kernver="$(<version)"
+  local modulesdir="$pkgdir/usr/lib/modules/$kernver"
+
+  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..."
+  make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 modules_install
+
+  # remove build and source links
+  rm "$modulesdir"/{source,build}
+}
+
+_package-headers() {
+  pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel with bcachefs support"
+  depends=(pahole)
+
+  cd $_srcname
+  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
+
+  echo "Installing build files..."
+  install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
+    localversion.* version vmlinux
+  install -Dt "$builddir/kernel" -m644 kernel/Makefile
+  install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
+  cp -t "$builddir" -a scripts
+
+  # add objtool for external module building and enabled VALIDATION_STACK option
+  install -Dt "$builddir/tools/objtool" tools/objtool/objtool
+
+  # add xfs and shmem for aufs building
+  mkdir -p "$builddir"/{fs/xfs,mm}
+
+  echo "Installing headers..."
+  cp -t "$builddir" -a include
+  cp -t "$builddir/arch/x86" -a arch/x86/include
+  install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
+
+  install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
+  install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
+
+  # https://bugs.archlinux.org/task/13146
+  install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
+
+  # https://bugs.archlinux.org/task/20402
+  install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
+  install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
+  install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
+
+  # https://bugs.archlinux.org/task/71392
+  install -Dt "$builddir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
+
+  echo "Installing KConfig files..."
+  find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
+
+  echo "Removing unneeded architectures..."
+  local arch
+  for arch in "$builddir"/arch/*/; do
+    [[ $arch = */x86/ ]] && continue
+    echo "Removing $(basename "$arch")"
+    rm -r "$arch"
+  done
+
+  echo "Removing documentation..."
+  rm -r "$builddir/Documentation"
+
+  echo "Removing broken symlinks..."
+  find -L "$builddir" -type l -printf 'Removing %P\n' -delete
+
+  echo "Removing loose objects..."
+  find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
+
+  echo "Stripping build tools..."
+  local file
+  while read -rd '' file; do
+    case "$(file -bi "$file")" in
+      application/x-sharedlib\;*)      # Libraries (.so)
+        strip -v $STRIP_SHARED "$file" ;;
+      application/x-archive\;*)        # Libraries (.a)
+        strip -v $STRIP_STATIC "$file" ;;
+      application/x-executable\;*)     # Binaries
+        strip -v $STRIP_BINARIES "$file" ;;
+      application/x-pie-executable\;*) # Relocatable binaries
+        strip -v $STRIP_SHARED "$file" ;;
+    esac
+  done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
+
+  echo "Stripping vmlinux..."
+  strip -v $STRIP_STATIC "$builddir/vmlinux"
+
+  echo "Adding symlink..."
+  mkdir -p "$pkgdir/usr/src"
+  ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
+}
+
+pkgname=("$pkgbase" "$pkgbase-headers")
+for _p in "${pkgname[@]}"; do
+  eval "package_$_p() {
+    $(declare -f "_package${_p#$pkgbase}")
+    _package${_p#$pkgbase}
+  }"
+done