#!/bin/bash

# Set VAR
KVER='6.6.13-hardened1'
#KVER='5.10.145-hardened1'
#KVER='5.15.74-hardened1'

# Dependencies
sudo dnf install binutils /usr/include/{libelf.h,openssl/pkcs7.h} \
  /usr/bin/{bc,bison,flex,gcc,git,openssl,make,perl,pahole,zstd}

# Staging w/ error handling
if [[ ! -f /usr/src/"$KVER".tar.gz ]]; then
	/usr/bin/curl --verbose --tlsv1.3 --proto =https -L -O --url "https://github.com/anthraxx/linux-hardened/archive/refs/tags/$KVER.tar.gz"
fi

if [[ ! -d /usr/src/linux-hardened-"$KVER" ]]; then
	tar -xf "$KVER".tar.gz -C /usr/src/
fi

cd /usr/src/linux-hardened-"$KVER"
wget https://0xacab.org/optout/plague-kernel/-/raw/main/6.6.13-hardened.config -O .config


# Compilation
yes "" | make olddefconfig
make menuconfig
# Exit if making no changes

echo "Compiling "$KVER""
make -j $(nproc --all)

# Installing kernel
## Ensure /boot is rw
mount -o remount,rw /boot
command -v installkernel && sudo make modules_install install

# remove sysmap/signing keys
rm /lib/modules/"$KVER"_1/source/certs/signing_key*
rm /lib/modules/"$KVER"_1/source/System.map
rm /lib/modules/"$KVER"_1/source
rm /lib/modules/"$KVER"_1/build