Permalink
Switch branches/tags
Nothing to show
Find file Copy path
0ee7b3e Sep 25, 2018
1 contributor

Users who have contributed to this file

executable file 151 lines (122 sloc) 3.65 KB
#!/bin/bash
set -e
set -o pipefail
linux_next(){
local dir="/usr/src/linux-next"
# Check if we already have the source for linux-next checked out.
if [[ -d "$dir" ]]; then
echo "Updating linux-next tree git remotes..."
(
cd "$dir"
git checkout master
git remote update
)
else
echo "Cloning the git source for linux..."
git clone https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git "$dir"
echo "Adding the linux-next git remote..."
(
cd "$dir"
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
)
fi
echo "Fetching the linux-next remote and updating tags..."
(
cd "$dir"
git fetch linux-next
git fetch --tags linux-next
)
local branch
branch="next-$(date +%Y%m%d)"
echo "Checking out the correct branch ${branch}..."
(
cd "$dir"
git checkout -b "$branch" "$branch"
)
}
install_kernel(){
local VERSION=$1
local OPT=$2
local DIR="/usr/src/linux-${VERSION}"
if [[ -z $VERSION ]]; then
echo "Please specify a kernel version."
exit 1
elif [[ "$VERSION" == "next" ]]; then
DIR="/usr/src/linux-next"
linux_next
fi
if [[ "$VERSION" != "next" ]]; then
local MAJOR_VERSION=${VERSION:0:1}
local V=( "${VERSION//./ }" )
local MAJOR_MINOR_VERSION="${V[0]}.${V[1]}"
# Get the kernel source.
echo "Getting the kernel source for linux-${VERSION}..."
echo "This might take a bit to download. Hang tight!"
if [[ "$VERSION" == *-rc* ]]; then
[ -d "$DIR" ] || curl -sSL "https://git.kernel.org/torvalds/t/linux-${VERSION}.tar.gz" | tar -C /usr/src -xz
MAJOR_MINOR_VERSION="${MAJOR_VERSION}.x-rcN"
else
[ -d "/usr/src/linux-${VERSION}" ] || curl -sSL "https://cdn.kernel.org/pub/linux/kernel/v${MAJOR_VERSION}.x/linux-${VERSION}.tar.xz" | tar -C /usr/src -xJ
fi
# Git clone and apply the patches for the aufs filesystem.
if [[ "$OPT" == "aufs" ]] && [[ ! -d "${DIR}/fs/aufs" ]]; then
aufsdir=/aufs4-standalone
echo "Cloning the git patches for the aufs filesystem..."
git clone --depth 1 --branch "aufs${MAJOR_MINOR_VERSION}" --single-branch https://github.com/sfjro/aufs4-standalone.git "$aufsdir"
(
cd "$DIR"
echo "Applying patch for the aufs filesystem..."
git apply $aufsdir/aufs4-kbuild.patch
git apply $aufsdir/aufs4-base.patch
git apply $aufsdir/aufs4-mmap.patch
cp -r $aufsdir/{Documentation,fs} .
cp $aufsdir/include/uapi/linux/aufs_type.h include/uapi/linux/
)
fi
fi
# Install Wireguard VPN into the kernel.
if [[ "$OPT" == "wireguard" ]] && [[ ! -f "${DIR}/net/wireguard/allowedips.c" ]]; then
echo "Applying patch for Wireguard VPN..."
(
cd "$DIR"
/wireguard/contrib/kernel-tree/create-patch.sh | patch -p1
)
echo "Patch for Wireguard VPN successfully applied!"
fi
# Copy the config from /usr/src/config if it does not already exist.
if [[ ! -f "${DIR}/.config" ]] && [[ -f "/usr/src/config" ]]; then
(
cd "$DIR"
cp ../config .config
# Add the config options for the aufs filesystem.
if [[ "$OPT" == "aufs" ]]; then
echo "CONFIG_AUFS_FS=y" >> .config
fi
# Add the config options for Wireguard VPN.
if [[ "$OPT" == "wireguard" ]]; then
echo "CONFIG_WIREGUARD=y" >> .config
fi
)
fi
(
cd "$DIR"
echo "Building the kernel..."
make -j"$JOBS"
echo "Installing the modules..."
make modules_install
echo "Installing the kernel..."
make install
)
(
echo "Stripping the modules..."
find /lib/modules/ -name "*.ko" -exec strip --strip-unneeded {} +
)
}
# shellcheck disable=SC2068
install_kernel $@
echo "Kernel successfully installed!"
echo "You will now want to run:"
echo " update-initramfs -u -k all"
echo "and"
echo " update-grub2"
echo "or the equivalent for your system."