mirror of
https://github.com/jessfraz/dockerfiles.git
synced 2024-11-23 11:31:49 +01:00
151 lines
3.6 KiB
Bash
Executable File
151 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
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set -e
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set -o pipefail
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linux_next(){
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local dir="/usr/src/linux-next"
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# Check if we already have the source for linux-next checked out.
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if [[ -d "$dir" ]]; then
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echo "Updating linux-next tree git remotes..."
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(
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cd "$dir"
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git checkout master
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git remote update
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)
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else
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echo "Cloning the git source for linux..."
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git clone https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git "$dir"
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echo "Adding the linux-next git remote..."
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(
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cd "$dir"
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git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
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)
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fi
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echo "Fetching the linux-next remote and updating tags..."
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(
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cd "$dir"
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git fetch linux-next
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git fetch --tags linux-next
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)
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local branch
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branch="next-$(date +%Y%m%d)"
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echo "Checking out the correct branch ${branch}..."
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(
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cd "$dir"
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git checkout -b "$branch" "$branch"
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)
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}
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install_kernel(){
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local VERSION=$1
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local OPT=$2
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local DIR="/usr/src/linux-${VERSION}"
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if [[ -z $VERSION ]]; then
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echo "Please specify a kernel version."
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exit 1
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elif [[ "$VERSION" == "next" ]]; then
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DIR="/usr/src/linux-next"
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linux_next
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fi
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if [[ "$VERSION" != "next" ]]; then
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local MAJOR_VERSION=${VERSION:0:1}
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local V=( "${VERSION//./ }" )
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local MAJOR_MINOR_VERSION="${V[0]}.${V[1]}"
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# Get the kernel source.
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echo "Getting the kernel source for linux-${VERSION}..."
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echo "This might take a bit to download. Hang tight!"
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if [[ "$VERSION" == *-rc* ]]; then
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[ -d "$DIR" ] || curl -sSL "https://git.kernel.org/torvalds/t/linux-${VERSION}.tar.gz" | tar -C /usr/src -xz
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MAJOR_MINOR_VERSION="${MAJOR_VERSION}.x-rcN"
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else
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[ -d "/usr/src/linux-${VERSION}" ] || curl -sSL "https://cdn.kernel.org/pub/linux/kernel/v${MAJOR_VERSION}.x/linux-${VERSION}.tar.xz" | tar -C /usr/src -xJ
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fi
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# Git clone and apply the patches for the aufs filesystem.
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if [[ "$OPT" == "aufs" ]] && [[ ! -d "${DIR}/fs/aufs" ]]; then
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aufsdir=/aufs4-standalone
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echo "Cloning the git patches for the aufs filesystem..."
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git clone --depth 1 --branch "aufs${MAJOR_MINOR_VERSION}" --single-branch https://github.com/sfjro/aufs4-standalone.git "$aufsdir"
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(
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cd "$DIR"
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echo "Applying patch for the aufs filesystem..."
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git apply $aufsdir/aufs4-kbuild.patch
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git apply $aufsdir/aufs4-base.patch
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git apply $aufsdir/aufs4-mmap.patch
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cp -r $aufsdir/{Documentation,fs} .
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cp $aufsdir/include/uapi/linux/aufs_type.h include/uapi/linux/
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)
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fi
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fi
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# Install Wireguard VPN into the kernel.
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if [[ "$OPT" == "wireguard" ]] && [[ ! -f "${DIR}/net/wireguard/allowedips.c" ]]; then
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echo "Applying patch for Wireguard VPN..."
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(
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cd "$DIR"
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/wireguard/contrib/kernel-tree/create-patch.sh | patch -p1
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)
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echo "Patch for Wireguard VPN successfully applied!"
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fi
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# Copy the config from /usr/src/config if it does not already exist.
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if [[ ! -f "${DIR}/.config" ]] && [[ -f "/usr/src/config" ]]; then
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(
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cd "$DIR"
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cp ../config .config
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# Add the config options for the aufs filesystem.
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if [[ "$OPT" == "aufs" ]]; then
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echo "CONFIG_AUFS_FS=y" >> .config
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fi
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# Add the config options for Wireguard VPN.
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if [[ "$OPT" == "wireguard" ]]; then
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echo "CONFIG_WIREGUARD=y" >> .config
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fi
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)
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fi
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(
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cd "$DIR"
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echo "Building the kernel..."
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make -j"$JOBS"
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echo "Installing the modules..."
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make modules_install
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echo "Installing the kernel..."
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make install
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)
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(
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echo "Stripping the modules..."
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find /lib/modules/ -name "*.ko" -exec strip --strip-unneeded {} +
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)
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}
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# shellcheck disable=SC2068
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install_kernel $@
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echo "Kernel successfully installed!"
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echo "You will now want to run:"
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echo " update-initramfs -u -k all"
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echo "and"
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echo " update-grub2"
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echo "or the equivalent for your system."
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