scripts/bash/fix-kernel-install.bash

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#!/usr/bin/env bash
#set -x
export LC_ALL=C.utf8
# Check for existence of /etc/machine-id/
if [ -f /etc/machine-id ]; then
# How about we just store the machine-id instead of fetching it
# constantly?
MACHINEID="$(cat /etc/machine-id)"
#echo "Our machine-id is $MACHINEID"
# Check for existence of the /boot/<machine-id> directory
if [ -d /boot/efi/"$MACHINEID" ]; then
# Store the latest installed kernel to $EXPECTEDKERNEL
EXPECTEDKERNEL="$(find /lib/modules -maxdepth 1 -printf '%P\n' | sort | tail -n -1)"
# And actual kernel in the boot/efi directory
ACTUALKERNEL="$(find /boot/efi/"$MACHINEID"/ -maxdepth 1 -printf '%P\n' | sort | tail -n -1)"
# Are they the same? Everything OK!
if [ "$EXPECTEDKERNEL" == "$ACTUALKERNEL" ]; then
echo "The kernel situation seems OK."
else
printf "\nWARNING! Kernels mismatch! Suggested actions:\n"
printf "\tsudo mkdir /boot/%b/%b\n" "$MACHINEID" "$EXPECTEDKERNEL"
printf "\tsudo kernel-install add %b /lib/modules/%b/vmlinuz\n" "$EXPECTEDKERNEL" "$EXPECTEDKERNEL"
#printf "\tsudo dnf reinstall kernel-core-%b -y\n" "$EXPECTEDKERNEL"
fi
fi
fi
#set +x