#!/bin/sh
# postrm script for qemu-guest-agent
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postrm> `remove'
#        * <postrm> `purge'
#        * <old-postrm> `upgrade' <new-version>
#        * <new-postrm> `failed-upgrade' <old-version>
#        * <new-postrm> `abort-install'
#        * <new-postrm> `abort-install' <old-version>
#        * <new-postrm> `abort-upgrade' <old-version>
#        * <disappearer's-postrm> `disappear' <overwriter>
#          <overwriter-version>
# for details, see https://www.debian.org/doc/debian-policy/ or
# the debian-policy package


case "$1" in
    purge|remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
    ;;

    *)
        echo "postrm called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

# Automatically added by dh_installinit/13.14.1ubuntu5
if [ "$1" = "remove" ] && [ -x "/etc/init.d/qemu-guest-agent" ] ; then
	chmod -x "/etc/init.d/qemu-guest-agent" >/dev/null || true
fi
if [ -z "${DPKG_ROOT:-}" ] && [ "$1" = "purge" ] ; then
	update-rc.d qemu-guest-agent remove >/dev/null
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.14.1ubuntu5
if [ "$1" = remove ] && [ -d /run/systemd/system ] ; then
	systemctl --system daemon-reload >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.14.1ubuntu5
if [ "$1" = "purge" ]; then
	if [ -x "/usr/bin/deb-systemd-helper" ]; then
		deb-systemd-helper purge 'qemu-guest-agent.service' >/dev/null || true
	fi
fi
# End automatically added section


# If needed revert the move we have made in preinst to compensate the new path being a DIR in the old package version (LP: 1820291)
case "$1" in
    abort-install|abort-upgrade)
        # From /usr/bin/dpkg-maintscript-helper modified to be able to cope with this edge case
        if [ -n "$2" ] && dpkg --compare-versions -- "$2" le-nl "1:3.1+dfsg-7~"; then
            TMPCONFFILE="/etc/qemu/fsfreeze-hook.old"
            NEWCONFFILE="/etc/qemu/fsfreeze-hook"
            ORIGCONFFILE="/etc/qemu/fsfreeze-hook/fsfreeze-hook"
            if [ -e "$TMPCONFFILE.dpkg-remove" ]; then
                echo "Reinstalling $ORIGCONFFILE that was moved away"
                if [ -f "$NEWCONFFILE" ]; then
                    rm -f "$NEWCONFFILE"
                fi
                mkdir -p "$NEWCONFFILE"
                mv "$TMPCONFFILE.dpkg-remove" "$ORIGCONFFILE"
            fi
        fi
esac

exit 0