#!/bin/sh
case "$DPKG_MAINTSCRIPT_PACKAGE::$DPKG_MAINTSCRIPT_NAME" in
linux-image-extra*::postrm)
exit 0;;
esac
KERNEL_UPGRADED=0
# Prefer showing the canonical-livepatch reboot message if one is required
if [ -f "/snap/bin/canonical-livepatch" ]; then
# k-u-r returns 1 if livepatch isn't enabled or if a reboot isn't required
kur_rc=$(/snap/bin/canonical-livepatch kernel-upgrade-required 2> /dev/null)
if [ $? -eq 0 ]; then
exit 0;
elif [ $? -eq 1 ]; then
# status returns 1 if livepatch isn't enabled
status_rc=$(/snap/bin/canonical-livepatch status 2> /dev/null)
if [ $? -eq 0 ]; then
KERNEL_UPGRADED=1
fi
fi
fi
# while a reboot isn't required for the new kernel it might be for another package
if [ $KERNEL_UPGRADED -eq 1 ]; then
if [ "$(echo $DPKG_MAINTSCRIPT_PACKAGE | cut -c1-5)" = "linux" ]; then
exit 0;
fi
fi
if [ -d /var/run ]; then
touch /var/run/reboot-required
if ! grep -q "^$DPKG_MAINTSCRIPT_PACKAGE$" /var/run/reboot-required.pkgs 2> /dev/null ; then
echo "$DPKG_MAINTSCRIPT_PACKAGE" >> /var/run/reboot-required.pkgs
fi
fi