#! /bin/sh
# postrm script for sbuild
#
# 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' <r>overwrit>r> <new-version>
# for details, see /usr/share/doc/packaging-manual/

PACKAGE="sbuild"

# 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() {
    CONFFILE="$1"

    local delete; delete="false"

    if [ -f "$CONFFILE" ]; then
	local fpkg; fpkg=""
	local pkg; pkg=""
	if fpkg=$(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

    remove|upgrade|failed-upgrade|abort-install|abort-upgrade)

        ;;

    purge|disappear)

	# Lock sbuild account.
	usermod -L -e 1 sbuild || true

	rm_conffile "/etc/sbuild.conf"
	rm_conffile "/etc/sbuild.conf.local"
	rm_conffile "/etc/schroot/setup.d/50sbuild"

	# Don't remove /etc/sbuild/chroot recursively in case anyone
	# put the entire chroot under here; only remove symlinks.
	rm -f /etc/sbuild/chroot/*
	rmdir --ignore-fail-on-non-empty /etc/sbuild/chroot/ || true

	# Remove autogenerated files.
	rm -f /var/lib/sbuild/apt.conf*
	rm -f /var/lib/sbuild/apt-keys/*
	rm -f /var/lib/sbuild/avg-build-space
	rm -f /var/lib/sbuild/avg-build-times
	rm -f /var/lib/sbuild/source-dependencies-*
	rm -rf /var/lib/sbuild/srcdep-lock

        ;;

    *)

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

	;;
esac

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

#DEBHELPER#

exit 0