#!/bin/sh

# Copyright 2009-2011 Holger Levsen (holger@layer-acht.org)
# Copyright © 2011-2013 Andreas Beckmann (anbe@debian.org)
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>


. @sharedir@/piuparts/lib/read_config.sh

get_config_value MASTER global master-directory
get_config_value SECTIONS global sections


#
# archive old log files
#
TOTAL=0
OLDPWD=$(pwd)
for SECTION in $SECTIONS ; do
	test -d $MASTER/$SECTION || continue
	cd $MASTER/$SECTION
	mkdir -p pass bugged affected fail
	mkdir -p archive/pass archive/bugged archive/affected archive/fail
	test -f archive/stamp || touch -d @0 archive/stamp  # start at the epoch
	touch -d yesterday archive/stamp.new  # look back one more day the next time we will be run
	OUTPUT=""
	# loop through all packages logs
	for PACKAGE in $(find pass/ fail/ bugged/ affected/ -name '*.log' -newer archive/stamp | cut -d"_" -f1 | cut -d"/" -f2 | sort -u) ; do
		# all logs except the last one (|sed '$d' deletes the last line)
		OLDLOGS=$( ls -tr1 --color=none bugged/${PACKAGE}_*.log affected/${PACKAGE}_*.log fail/${PACKAGE}_*.log pass/${PACKAGE}_*.log 2>/dev/null|sed '$d' )
		if [ ! -z "$OLDLOGS" ] ; then
			if [ -z "$OUTPUT" ] ; then
				OUTPUT="yes"
				echo $SECTION
			fi
			for LOG in $OLDLOGS ; do
				TOTAL=$(($TOTAL + 1))
				mv -v $LOG archive/$(echo $LOG|cut -d"/" -f1)/
			done
		fi
	done
	find archive/ -name '*.log' | nice xargs -P $(nproc) -n 1 -r xz -f
	if [ -n "$OUTPUT" ] ; then
		echo
		echo
	fi
	mv archive/stamp.new archive/stamp
	cd "$OLDPWD"
done

if [ "$TOTAL" -gt "0" ]; then
	echo "Archived $TOTAL old logfiles."
fi