build_newest_rt_kernel.sh

#!/bin/bash -exu

newest_base_version=$(curl -s -l ftp://ftp.kernel.org/pub/linux/kernel/projects/rt/ | sort -V | tail -n 1)
newest_patch_file=$(curl -s -l ftp://ftp.kernel.org/pub/linux/kernel/projects/rt/$newest_base_version/older/ | grep .patch.xz | sort -V | tail -n 1) 

newest_version=$(echo $newest_patch_file | cut -d- -f2- | cut -d- -f1)

git fetch git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git refs/tags/v$newest_version:refs/tags/v$newest_version

git reset --hard v$newest_version

curl -s ftp://ftp.kernel.org/pub/linux/kernel/projects/rt/$newest_base_version/older/$newest_patch_file | xz -cd | patch -Np1

git add .
git commit -a -m 'rt'