#!/bin/sh -e

version="$1"
kdumpdir="/var/lib/kdump"

[ -x /usr/sbin/update-initramfs ] || exit 0

# passing the kernel version is required
if [ -z "${version}" ]; then
	echo >&2 "W: kdump-tools: ${DPKG_MAINTSCRIPT_PACKAGE:-kernel package} did not pass a version number"
	exit 0
fi

# exit if custom kernel does not need an initramfs
if [ "$INITRD" = 'No' ]; then
	exit 0
fi

# avoid running multiple times
if [ -n "$DEB_MAINT_PARAMS" ]; then
	eval set -- "$DEB_MAINT_PARAMS"
	if [ -z "$1" ] || [ "$1" != "remove" ]; then
		exit 0
	fi
fi

# delete kdump related data for this kernel (initramfs, estimator/sysctl files)
echo "kdump-tools: Removing kdump tracking files for kernel version: ${version}"
if [ -e "$kdumpdir/initrd.img-${version}" ]; then
	rm -f "$kdumpdir/latest_sysctls-${version}"
	rm -f "$kdumpdir/mem-${version}"
	rm -f "$kdumpdir/size_initrd.img-${version}"
	rm -f "$kdumpdir/initrd.img-${version}"
fi