#!/bin/bash
# keep generated files up to date with mirror content
# $Id$ 

# configuration
PATH=$PATH:/usr/local/bin
DIR=$HOME/ftp/mandrake

# ensure proper umask
umask 022

# set all update tasks here
update() {
    subdir=$1

    if [ ! -d "$subdir" ]; then
	return
    fi

    # update only if newer files present
    MD5_FILE=$subdir/media_info/MD5SUM
    [ -f $MD5_FILE ] || MD5_FILE=$subdir/MD5SUM
    if [ -f $MD5_FILE ]; then
	# MD5SUM is the latest file we touch
	NEW_FILES=`find $subdir -newer $MD5_FILE`
	if [ -z "$NEW_FILES" ]; then
	    return
	fi
    fi
    
    # hdlist generation
    echo "Generating hdlist for $subdir"

    if [ -f $subdir/media_info/info.xml.lzma ]; then
            extraflags=
	    # rpm5 workaround
	    [ "${subdir#$DIR/cooker}" != "$subdir" ] && extraflags="--clean"
	    genhdlist2 --allow-empty-media $extraflags $subdir
	    return
    fi

    genhdlist-old --dest $subdir .
    arch=`basename $subdir`
    # nanar stuff
    if [ "$arch" == src ]; then
	echo "Penguin Liberation Front sources" > $subdir/version
    else
	echo "Penguin Liberation Front for $arch" > $subdir/version
    fi
    date >> $subdir/version
    pushd $subdir
    md5sum *hdlist.cz > MD5SUM
    # since 2007, index should be in media_info for the installer
    # we link it
    [ -d media_info ] || mkdir media_info
    for file in pubkey hdlist.cz synthesis.hdlist.cz MD5SUM; do
	[ ! -f media_info/$file ] || rm -f media_info/$file
	[ ! -f $file ] || cp -l $file media_info
    done
    popd
}

for section in $DIR/free $DIR/non-free; do
    for version in $section/*; do
	if [ -L $version ]; then
	    continue
	fi

	if [ ! -d $version ]; then
	    continue
	fi

	if [ `basename $version` == src ]; then
	    update $version
	else
	    for arch in $version/*; do
		if [ ! -d $arch ]; then
		    continue
		fi

		update $arch
	    done
	fi
   done
done

for section in $DIR/{2007.0,2007.1,2008.0,2008.1,2009.0,2009.1,2010.0,2010.1,2011}/*; do
    for subversion in $section/*; do
	for type in $subversion/*; do
	    if [ `basename $type` == source ]; then
		update $type
	    else
		for arch in $type/*; do
		    update $arch
		done
	    fi
	done
    done
done

for section in $DIR/cooker/*; do
    for type in $section/*; do
	if [ `basename $type` == source ]; then
	    update $type
	else
	    for arch in $type/*; do
		update $arch
	    done
	fi
    done
done