# Maintainer: David P. <megver83@parabola.nu>
# Contributor: André Silva <emulatorman@hyperbola.info>
# Contributor: Márcio Silva <coadde@hyperbola.info>
# Contributor: fauno <fauno@parabola.nu>
# Contributor: Sorin-Mihai Vârgolici <smv@yobicore.org>
# Contributor: Michał Masłowski <mtjm@mtjm.eu>
# Contributor: Luke R. <g4jc@openmailbox.org>
# Contributor: Andreas Grapentin <andreas@grapentin.org>
# No official contributor: Enmanuel Eli <saravia@riseup.net>
# Based on linux package
_replacesarchkernel=('linux%') # '%' gets replaced with kernel suffix
_replacesoldkernels=() # '%' gets replaced with kernel suffix
_replacesoldmodules=() # '%' gets replaced with kernel suffix
_pkgbase=linux-libre
pkgbase=linux-libre-lts
_archpkgver=${_pkgver%-*}
_replacesarchkernel=('linux%') # '%' gets replaced with _kernelname
_replacesmainlinearchkernel=('linux%') # '%' gets replaced with _kernelname
_replacesoldkernels=() # '%' gets replaced with _kernelname
_replacesoldmodules=() # '%' gets replaced with _kernelname
_pkgbasever=6.13
_pkgver=${_pkgbasever}
#-rc2
pkgver=${_pkgbasever}
pkgrel=1
pkgdesc='Linux-libre'
url='https://linux-libre.fsfla.org/'
arch=(x86_64)
license=(GPL-2)
makedepends=(
 bc
 cpio
 gettext
 libelf
 dwarves
 perl
 python
 tar
 xz
 xmlto
 docbook-xsl
 kmod
 # htmldocs
 graphviz
 imagemagick
 python-sphinx
 # texlive-latexextra
)
options=('!strip')
_srcname=linux-$pkgver
source=(
 "https://git.kernel.org/torvalds/t/linux-${_pkgbasever}-rc2.tar.gz"
 "https://cdn.kernel.org/pub/linux/kernel/v6.x/patch-6.12.4.xz"
 config.x86_64 # I have only x86_64
 linux.install
 linux.install.pkg
 linux.preset
 90-linux.hook
 # maintain the TTY over USB disconnects
 # http://www.coreboot.org/EHCI_Gadget_Debug
 0001-usb-serial-gadget-no-TTY-hangup-on-USB-disconnect-WI.patch
 # Arch Linux patches
 # https://github.com/archlinux/linux
 0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
 0003-arch-Kconfig-Default-to-maximum-amount-of-ASLR-bits.patch
)
sha256sums=('d55b2bfcb257df57019ca9ef9fab2f7dfec0a435fb515fe963d18d412ce67692'
            'ba790766fca3eadade5cf74f0c181a8e42a77556f71d9af4b2bd4a53c8b98641'
            '78b1c0e0ba80bd6dcf2331effb8ee127fc7bd05e1027576ef72fcece209bc91a'
            '997dd1ca5c59e526a35d8367e6371a68406b1a58b90006e6f85d59a580c7503f'
            '0f01ee57a72ddba8ed1f56b589e5ddbae98010e9fa9869fe2d236d885ae0b703'
            'ad6344badc91ad0630caacde83f7f9b97276f80d26a20619a87952be65492c65'
            'b61c6acd53eca29911c55bfeb8825a2fe7b0f30fe3547b1a1c609fb973c27482'
            '0376bd5efa31d4e2a9d52558777cebd9f0941df8e1adab916c868bf0c05f2fc3'
            '994b27f23073a6e04bf8a61cd2eb9d2511b8eb0e81ed7828d4c3880f1e1f5061'
            'f36b1b3109d035139cfff75962a81c870fcb73fc3f81bb958e34a9e60af4fa3a')
validpgpkeys=(
 474402C8C582DAFBE389C427BCB7CF877E7D47A7 # Alexandre Oliva
 6DB9C4B4F0D8C0DC432CF6E4227CA7C556B2BA78 # David P.
 ABAF11C65A2970B130ABE3C479BE3E4300411886 # Linus Torvalds
 647F28654894E3BD457199BE38DBBDC86092693E # Greg Kroah-Hartman
 E27E5D8A3403A2EF66873BBCDEA66FF797772CDC # Sasha Levin
 AC2B29BD34A6AFDDB3F68F35E7BFC8EC95861109 # Ben Hutchings
)
_replacesarchkernel=("${_replacesarchkernel[@]/\%/${pkgbase#linux-libre}}")
_replacesoldkernels=("${_replacesoldkernels[@]/\%/${pkgbase#linux-libre}}")
_replacesoldmodules=("${_replacesoldmodules[@]/\%/${pkgbase#linux-libre}}")
case "$CARCH" in
 i686|x86_64) KARCH=x86;;
esac
export KBUILD_BUILD_HOST=hyperbola
export KBUILD_BUILD_USER=$pkgbase
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
prepare() {
 cd "${srcdir}/linux-${_pkgver}-rc2"
 echo "Setting version..."
 echo "-$pkgrel" > localversion.10-pkgrel
 echo "${pkgbase#linux-libre}" > localversion.20-pkgname
 local source=("${source[@]}")
 local src
 for src in "${source[@]}"; do
 src="${src%%::*}"
 src="${src##*/}"
 [[ $src = *.patch ]] || continue
 echo "Applying patch $src..."
 patch -p1 -i "${srcdir}/$src"
 done
 echo "Setting config..."
 cp ../config.$CARCH .config
 yes "" | make olddefconfig
 diff -u ../config.$CARCH .config || :
 yes "" | make -s kernelrelease > version
 echo "Prepared $pkgbase version $(<version)"
}
build() {
 echo "!enma $(pwd) build"
 cd "${srcdir}/linux-${pkgver}-rc2"
 make ${MAKEFLAGS} LOCALVERSION= bzImage modules
}
_package() {
 pkgdesc="The ${pkgbase^} kernel and modules"
 [ "${pkgbase}" = "linux-libre-lts" ] && groups=('base')
 depends=('coreutils' 'kmod' 'mkinitcpio>=0.7')
 optdepends=('kernel-firmware: firmware files for Linux-libre'
		 'crda: to set the correct wireless channels of your country')
 provides=("${_replacesarchkernel[@]/%/=${_archpkgver}-rc2}" "${_replacesoldkernels[@]}" "kernel=${_archpkgver}-rc2" "${_replacesmainlinearchkernel[@]}")
 conflicts=("${_replacesarchkernel[@]}" "${_replacesoldkernels[@]}" "${_replacesoldmodules[@]}" "${_replacesmainlinearchkernel[@]}")
 replaces=("${_replacesarchkernel[@]}" "${_replacesoldkernels[@]}" "${_replacesoldmodules[@]}" "${_replacesmainlinearchkernel[@]}")
 backup=("etc/mkinitcpio.d/${pkgbase}.preset")
 install=linux.install
 cd "${srcdir}/linux-${_pkgver}-rc2"
 # get kernel version
 _kernver="$(make LOCALVERSION= kernelrelease)"
 _basekernel=${_kernver%%-*}
 _basekernel=${_basekernel%.*}
 mkdir -p "${pkgdir}"/{lib/modules,lib/firmware,boot}
 install -Dm644 arch/$KARCH/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgbase}"
 make ${MAKEFLAGS} LOCALVERSION= INSTALL_MOD_PATH="${pkgdir}" INSTALL_MOD_STRIP=1 modules_install
 # set correct depmod command for install
 sed -e "s|%PKGBASE%|${pkgbase}|g;s|%KERNVER%|${_kernver}|g" \
  "${startdir}/${install}" > "${startdir}/${install}.pkg"
 true && install=${install}.pkg
 # install mkinitcpio preset file for kernel
 sed "s|%PKGBASE%|${pkgbase}|g" "${srcdir}/linux.preset" |
 install -D -m644 /dev/stdin "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
 # install pacman hook for initramfs regeneration
 sed "s|%PKGBASE%|${pkgbase}|g" "${srcdir}/90-linux.hook" |
 install -D -m644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/90-${pkgbase}.hook"
 # remove build and source links
 rm -f "${pkgdir}"/lib/modules/${_kernver}/{source,build}
 # # remove the firmware
 # rm -rf "${pkgdir}/lib/firmware"
 # make room for external modules
 ln -s "../extramodules-${_basekernel}${_kernelname}" "${pkgdir}/lib/modules/${_kernver}/extramodules"
 # add real version for building modules and running depmod from post_install/upgrade
 mkdir -p "${pkgdir}/lib/modules/extramodules-${_basekernel}${_kernelname}"
 echo "${_kernver}" > "${pkgdir}/lib/modules/extramodules-${_basekernel}${_kernelname}/version"
 # Now we call depmod...
 depmod -b "${pkgdir}" -F System.map "${_kernver}"
 # add kernel configuration file
 # https://issues.hyperbola.info/index.php?do=details&task_id=146
 install -D -m644 .config "${pkgdir}/boot/config-${pkgbase}"
 # install license file
 install -D -m644 COPYING "${pkgdir}/usr/share/licenses/$pkgname/COPYING"
}
_package-headers() {
 pkgdesc="Header files and scripts for building modules for ${pkgbase^} kernel"
 provides=("${_replacesarchkernel[@]/%/-headers=${_archpkgver}-rc2}" "${_replacesoldkernels[@]/%/-headers}" "${_replacesmainlinearchkernel[@]/%/-headers}")
 conflicts=("${_replacesarchkernel[@]/%/-headers}" "${_replacesoldkernels[@]/%/-headers}" "${_replacesmainlinearchkernel[@]/%/-headers}")
 replaces=("${_replacesarchkernel[@]/%/-headers}" "${_replacesoldkernels[@]/%/-headers}" "${_replacesmainlinearchkernel[@]/%/-headers}")
 install -dm755 "${pkgdir}/lib/modules/${_kernver}"
 cd "${srcdir}/linux-${_pkgver}-rc2"
 install -D -m644 Makefile \
		"${pkgdir}/lib/modules/${_kernver}/build/Makefile"
 install -D -m644 kernel/Makefile \
		"${pkgdir}/lib/modules/${_kernver}/build/kernel/Makefile"
 install -D -m644 .config \
		"${pkgdir}/lib/modules/${_kernver}/build/.config"
 install -D -m644 vmlinux \
		"${pkgdir}/lib/modules/${_kernver}/build/vmlinux"
 install -D -m644 System.map \
		"${pkgdir}/lib/modules/${_kernver}/build/System.map"
 install -D -m644 Module.symvers \
		"${pkgdir}/lib/modules/${_kernver}/build/Module.symvers"
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/include"
 for i in acpi asm-generic clocksource config crypto drm dt-bindings \
				generated keys kunit kvm linux math-emu media memory misc net \
				pcmcia ras rdma scsi soc sound target trace uapi vdso video xen; do
 cp -a include/${i} "${pkgdir}/lib/modules/${_kernver}/build/include/"
 done
 # copy arch includes for external modules
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/arch/${KARCH}"
 cp -a arch/${KARCH}/include "${pkgdir}/lib/modules/${_kernver}/build/arch/${KARCH}/"
 # copy files necessary for later builds
 cp -a scripts "${pkgdir}/lib/modules/${_kernver}/build"
 # fix permissions on scripts dir
 chmod og-w -R "${pkgdir}/lib/modules/${_kernver}/build/scripts"
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/.tmp_versions"
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/arch/${KARCH}/kernel"
 cp arch/${KARCH}/Makefile "${pkgdir}/lib/modules/${_kernver}/build/arch/${KARCH}/"
 cp arch/${KARCH}/kernel/asm-offsets.s "${pkgdir}/lib/modules/${_kernver}/build/arch/${KARCH}/kernel/"
 # add dm headers
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/drivers/md"
 cp drivers/md/*.h "${pkgdir}/lib/modules/${_kernver}/build/drivers/md"
 # add inotify.h
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/include/linux"
 cp include/linux/inotify.h "${pkgdir}/lib/modules/${_kernver}/build/include/linux/"
 # add wireless headers
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/net/mac80211/"
 cp net/mac80211/*.h "${pkgdir}/lib/modules/${_kernver}/build/net/mac80211/"
 # add dvb headers for external modules
 # http://bugs.archlinux.org/task/11194
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/include/config/dvb/"
 cp include/uapi/linux/dvb/*.h "${pkgdir}/lib/modules/${_kernver}/build/include/config/dvb/"
 # add dvb headers for http://mcentral.de/hg/~mrec/em28xx-new
 # in reference to:
 # http://bugs.archlinux.org/task/13146
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/drivers/media/dvb-frontends/"
 cp drivers/media/dvb-frontends/lgdt330x.h "${pkgdir}/lib/modules/${_kernver}/build/drivers/media/dvb-frontends/"
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/drivers/media/i2c/"
 cp drivers/media/i2c/msp3400-driver.h "${pkgdir}/lib/modules/${_kernver}/build/drivers/media/i2c/"
 # add dvb headers
 # in reference to:
 # http://bugs.archlinux.org/task/20402
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/drivers/media/usb/dvb-usb"
 cp drivers/media/usb/dvb-usb/*.h "${pkgdir}/lib/modules/${_kernver}/build/drivers/media/usb/dvb-usb/"
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/drivers/media/dvb-frontends"
 cp drivers/media/dvb-frontends/*.h "${pkgdir}/lib/modules/${_kernver}/build/drivers/media/dvb-frontends/"
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/drivers/media/tuners"
 cp drivers/media/tuners/*.h "${pkgdir}/lib/modules/${_kernver}/build/drivers/media/tuners/"
 # add xfs and shmem for aufs building
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/fs/xfs"
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/mm"
 # removed in 3.17-gnu series
 # cp fs/xfs/xfs_sb.h "${pkgdir}/lib/modules/${_kernver}/build/fs/xfs/xfs_sb.h"
 # copy in Kconfig files
 for i in $(find . -name "Kconfig*"); do
 mkdir -p "${pkgdir}"/lib/modules/${_kernver}/build/`echo ${i} | sed 's|/Kconfig.*||'`
 cp ${i} "${pkgdir}/lib/modules/${_kernver}/build/${i}"
 done
 # add objtool for external module building and enabled VALIDATION_STACK option
 if [ -f tools/objtool/objtool ]; then
 mkdir -p "${pkgdir}/lib/modules/${_kernver}/build/tools/objtool"
 cp -a tools/objtool/objtool ${pkgdir}/lib/modules/${_kernver}/build/tools/objtool/
 fi
 chown -R root.root "${pkgdir}/lib/modules/${_kernver}/build"
 find "${pkgdir}/lib/modules/${_kernver}/build" -type d -exec chmod 755 {} \;
 # strip scripts directory
 find "${pkgdir}/lib/modules/${_kernver}/build/scripts" -type f -perm -u+w 2>/dev/null | while read binary ; do
 case "$(file -bi "${binary}")" in
  *application/x-sharedlib*) # Libraries (.so)
		/usr/bin/strip ${STRIP_SHARED} "${binary}";;
  *application/x-archive*) # Libraries (.a)
		/usr/bin/strip ${STRIP_STATIC} "${binary}";;
  *application/x-executable*) # Binaries
		/usr/bin/strip ${STRIP_BINARIES} "${binary}";;
  *application/x-pie-executable\;*) # Relocatable binaries
		/usr/bin/strip ${$STRIP_SHARED} "${binary}";;
 esac
 done
 # strip vmlinux
 strip -v $STRIP_STATIC "${pkgdir}/lib/modules/${_kernver}/build/vmlinux"
 # remove unneeded architectures
 find "${pkgdir}"/lib/modules/${_kernver}/build/arch -mindepth 1 -maxdepth 1 -type d -not -name "$KARCH" -exec rm -rf {} +
 # remove documentation
 rm -r "${pkgdir}/lib/modules/${_kernver}/build/Documentation"
 # remove broken symlinks
 find -L "${pkgdir}/lib/modules/${_kernver}/build" -type l -printf 'Removing %P\n' -delete
 # remove loose objects
 find "${pkgdir}/lib/modules/${_kernver}/build" -type f -name '*.o' -printf 'Removing %P\n' -delete
 # add symlink
 mkdir -p "$pkgdir/usr/src"
 ln -sr "${pkgdir}/lib/modules/${_kernver}/build" "$pkgdir/usr/src/$pkgbase"
 # install license file
 install -D -m644 COPYING "${pkgdir}/usr/share/licenses/$pkgname/COPYING"
}
pkgname=(
 "$pkgbase"
 "$pkgbase-headers"
)
for _p in "${pkgname[@]}"; do
 eval "package_$_p() {
		$(declare -f "_package${_p#$pkgbase}")
		_package${_p#$pkgbase}
 }"
done