OpenWrt_x86-r2s-r4s-r5s-N1/devices/common/kernel_5.15.sh

#!/bin/bash

rm -rf target/linux package/kernel package/boot package/firmware/linux-firmware include/{kernel-*,netfilter.mk}
latest="$(curl -sfL https://github.com/openwrt/openwrt/commits/master/include | grep -o 'href=".*>kernel: bump 5.15' | head -1 | cut -d / -f 5 | cut -d '"' -f 1)"
latest=""
mkdir new; cp -rf .git new/.git
cd new
[ "$latest" ] && (git reset --hard $latest  && git checkout HEAD^) || git reset --hard origin/master

[ "$(echo $(git log -1 --pretty=short) | grep "kernel: bump 5.15")" ] && git checkout $latest

cp -rf --parents target/linux package/kernel package/boot package/firmware/linux-firmware include/{kernel-*,netfilter.mk} ../
cd -

#sed -i "s/9 -Xe/extreme/" include/image.mk

sed -i "s/^.*vermagic$/\techo '1' > \$(LINUX_DIR)\/.vermagic/" include/kernel-defaults.mk

curl -sfL https://raw.githubusercontent.com/openwrt/openwrt/master/include/image-commands.mk -o include/image-commands.mk
sed -i "s/\$(STAGING_DIR_HOST)\/bin\/gzip/gzip/" include/image-commands.mk
svn export --force https://github.com/openwrt/packages/trunk/kernel feeds/packages/kernel
svn export --force  https://github.com/openwrt/packages/trunk/net/xtables-addons feeds/packages/net/xtables-addons

svn co https://github.com/coolsnowwolf/lede/trunk/target/linux/generic/hack-5.15 target/linux/generic/hack-5.15
svn co https://github.com/coolsnowwolf/lede/trunk/target/linux/generic/backport-5.15 target/linux/generic/backport-5.15
find target/linux/generic/backport-5.15 -name "[0-9][0-9][0-9]-[a-z][a-z]*" -exec rm -f {} \;
rm -rf target/linux/generic/backport-5.15/{802-v6.1-nvmem*,803-v5.19-nvmem*,733-v6.2-02-net-mediatek-sgmii-ensure*,733-v6.2-03-net-mediatek*,733-v6.2-04-mtk_sgmii-enable*}
curl -sfL https://raw.githubusercontent.com/coolsnowwolf/lede/master/target/linux/generic/pending-5.15/613-netfilter_optional_tcp_window_check.patch -o target/linux/generic/pending-5.15/613-netfilter_optional_tcp_window_check.patch

sed -i "s/tty\(0\|1\)::askfirst/tty\1::respawn/g" target/linux/*/base-files/etc/inittab

echo "
CONFIG_TESTING_KERNEL=y
CONFIG_PACKAGE_kmod-ipt-coova=n
CONFIG_PACKAGE_kmod-pf-ring=n
" >> devices/common/.config