#!/bin/sh

set -e

PACKAGE="schroot"

# Remove a conffile which has been forgotten by dpkg
# If the file does not exist, or is owned by any package, do not remove it.
rm_conffile() {
    local CONFFILE delete

    CONFFILE="$1"
    delete="false"

    if [ -f "$CONFFILE" ]; then
        local fpkg pkg
        fpkg=""
        pkg=""
        if fpkg=$(dpkg -S "$CONFFILE" 2>/dev/null); then
            # Don't delete, but check which package it came from.
            pkg=$(echo "$fpkg" | sed -e 's/\(^[[:print:]][[:print:]]*\): .*$/\1/')
            if [ "$pkg" = "$PACKAGE" ]; then
                delete="true"
            fi
        else
            rm -f "$CONFFILE"
            delete="true"
        fi
    else
        delete="true"
    fi

    # Remove dpkg cruft
    if [ "$delete" = "true" ]; then
        rm -f "${CONFFILE}.dpkg-old"
        rm -f "${CONFFILE}.dpkg-new"
        rm -f "${CONFFILE}.dpkg-dist"
    fi
}

case "$1" in

    upgrade | failed-upgrade | abort-install | abort-upgrade) ;;

    remove)
        # These are directories left over from old sessions.  We don't
        # remove recursively to guard against purging any user data which
        # may inadvertently be remaining mounted under the session
        # directories, so just try a simple rmdir for safety.
        for dir in $(find /var/lib/schroot/mount -maxdepth 1 -type d | tac); do
            rmdir "$dir" || echo "Failed to remove session mount directory $dir: Please check for any stray mounts or data under this directory and remove by hand." >&2
        done
        ;;

    purge | disappear) ;;

    *)
        echo "postrm called with unknown argument \`$1'" >&2
        exit 0

        ;;
esac

# Automatically added by dh_installinit/13.11.8
if [ "$1" = "remove" ] && [ -x "/etc/init.d/schroot" ] ; then
	chmod -x "/etc/init.d/schroot" >/dev/null || true
fi
if [ -z "${DPKG_ROOT:-}" ] && [ "$1" = "purge" ] ; then
	update-rc.d schroot remove >/dev/null
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.11.8
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/13.11.8
if [ "$1" = "purge" ]; then
	if [ -x "/usr/bin/deb-systemd-helper" ]; then
		deb-systemd-helper purge 'schroot.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installdebconf/13.11.8
if [ "$1" = purge ] && [ -e /usr/share/debconf/confmodule ]; then
	. /usr/share/debconf/confmodule
	db_purge
fi
# End automatically added section

exit 0