#!/bin/sh

# Copyright 2009-2011 Holger Levsen (holger@layer-acht.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, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA


PIUPARTS_CONF=${PIUPARTS_CONF:-/etc/piuparts/piuparts.conf}
[ -f "$PIUPARTS_CONF" ] || exit 0

# usage: get_config_value VARIABLE section key [default]
get_config_value()
{
	local section key value
	test -n "$1" && test "$1" = "$(echo "$1" | tr -c -d '[:alnum:]_')" || exit 1
	section="$2"
	key="$3"
	value="$(sed -rn '\#^\['"$section"'\]#,/^\[/ {/^'"$key"'\s*=/ {s/^'"$key"'\s*=\s*//; s/\s*$//; p}}' "$PIUPARTS_CONF")"
	test -n "$value" || value="$4"
	if [ -z "$value" ]; then
		echo "'$key' not set in section [$section] of $PIUPARTS_CONF, exiting." >&2
		exit 1
	fi
	eval "$1"='"$value"'
}

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 $LOG|cut -d"/" -f1)/
			done
		fi
	done
	if [ -n "$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
