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#!/bin/sh
. samizdat-paths.sh
initrd=${samizdat_linux_dir}/initrd.img
vmlinuz=${samizdat_linux_dir}/vmlinuz
conf_dir=$samizdat_initramfs_conf_dir
apt_dependencies=$samizdat_initrd_files_dir/initrd-dependencies.txt
for kernel_package in linux-image-rt-amd64 linux-image-amd64
do
kernel_package_version=$(apt-cache policy $kernel_package | sed -ne 's/ *Installed: //p')
real_kernel_package=$(apt-cache show $kernel_package=$kernel_package_version | sed -n 's/^Depends: //p')
version=${real_kernel_package#linux-image-}
[ -e "/boot/vmlinuz-${version}" ] && break
done
find_source_dirs() {
find "$conf_dir" "$samizdat_initrd_files_dir" "$@"
}
force_rebuild()
{
touch "$conf_dir"
return 1
}
rebuild()
{
[ ! -f "$apt_dependencies" ] || sudo apt-get install -q=10 --no-upgrade -y $(cat "$apt_dependencies")
set -ex
cp -f /boot/vmlinuz-"${version}" "$vmlinuz"
/usr/sbin/mkinitramfs -d "$conf_dir" -o "$initrd" "${version}" || force_rebuild
}
if [ ! -e "$initrd" -o ! -e "$vmlinuz" ]; then
rebuild
elif [ "$(find_source_dirs -newer "$initrd" -print -quit)" ]; then
rebuild
fi
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