#!/bin/sh

if [ $# -ne 2 ]; then

    echo "Usage: sf2bz <sf-project-export>.xml <bz-import>.xml" >&2

    exit 1

fi

input=$1

output=$2

topdir=/home/ali/wk/slashem/web.scripts

cd $topdir

cache_dir=$topdir/cache

tagsoup=tagsoup/tagsoup-1.0.1.jar

#tmpdir=`mktemp -d /tmp/XXXXXXXX` || exit 1

tmpdir=/tmp/sf2bz; rm -rf $tmpdir; mkdir $tmpdir

mkdir -p $cache_dir/sf/artifacts

# Sourceforge's export is pretty good, but misses a few things.

# Deal with one of these (descriptions for attached files) here.

echo '<?xml version="1.0"?>' > $tmpdir/descriptions.xml

echo '<artifacts xmlns:xi="http://www.w3.org/2001/XInclude">' \

  >> $tmpdir/descriptions.xml

./get_attached_files $input | cut -s "-d " -f 1,2 | sort -n | uniq | \

  while read atid aid; do

    mkdir -p $cache_dir/sf/artifacts/$atid

    if [ ! -r $cache_dir/sf/artifacts/$atid/$aid.html ]; then

	wget -q -O $cache_dir/sf/artifacts/$atid/$aid.html \

	  "http://sourceforge.net/tracker/index.php?func=detail&aid=$aid&group_id=9746&atid=$atid"

    fi

    mkdir -p $cache_dir/artifacts/$atid

    if [ ! -r $cache_dir/artifacts/$atid/$aid.xhtml ]; then

	java -jar $tagsoup $cache_dir/sf/artifacts/$atid/$aid.html \

	  > $cache_dir/artifacts/$atid/$aid.xhtml

    fi

    echo "<xi:include href=\"$cache_dir/artifacts/$atid/$aid.xhtml\"/>" >> $tmpdir/descriptions.xml

done

echo '</artifacts>' >> $tmpdir/descriptions.xml

xsltproc --xinclude attachment_descs.xsl $tmpdir/descriptions.xml \

  > $tmpdir/attachment-descriptions.xml

# Some details of attachments are included in the project export.

xsltproc attachment_details.xsl $input > $tmpdir/attachment-details.xml

# Then convert the attachments to XML (as required by bugzilla)

# pulling in the various bits of information we have gathered.

mkdir -p $cache_dir/sf/attachments $cache_dir/attachments

mkdir -p $tmpdir/jail

./get_attached_files artifacts.xml | while read atid aid file_id; do

    if [ ! -r $cache_dir/sf/attachments/$file_id ]; then

	wget -N -O $cache_dir/sf/attachments/$file_id "http://sourceforge.net/tracker/download.php?group_id=9746&atid=$atid&file_id=$file_id&aid=$aid"

    fi

    if [ ! -r $cache_dir/attachments/$file_id.xml ]; then

	type=`file -bi $cache_dir/sf/attachments/$file_id | sed 's/;.*//'`

	case "$type" in

	    text/*)

		(cd $tmpdir/jail; patch --dry-run -s -f \

		  < $cache_dir/sf/attachments/$file_id > /dev/null 2>&1)

		if [ $? -lt 2 ]; then

		    pflag="-p"

		else

		    pflag=""

		fi

		;;

	    *)

	        pflag=""

		;;

	esac

	./xml_attached_file $pflag -i $file_id -t $type \

	  $cache_dir/sf/attachments/$file_id > $tmpdir/$file_id.1.xml

	xsltproc attachment_gather.xsl $tmpdir/$file_id.1.xml \

	  > $tmpdir/$file_id.2.xml

	xsltproc --xinclude attachment_post.xsl $tmpdir/$file_id.2.xml \

	  > $cache_dir/attachments/$file_id.xml

    fi

done

# We can't get hold of descriptions of deleted attachments, so we

# keep a copy of the file in case we need it. Ideally, we'd make sure

# that we only add descriptions, but that's for another day.

cp $tmpdir/attachment-descriptions.xml $topdir

xsltproc get_users.xsl $input > $tmpdir/raw_users.xml

echo '<artifacts xmlns:xi="http://www.w3.org/2001/XInclude">' \

  >> $tmpdir/users.1.xml

for file in $cache_dir/artifacts/*/*.xhtml; do

    echo "<xi:include href=\"$file\"/>" >> $tmpdir/users.1.xml

done

echo "<xi:include href=\"raw_users.xml\"/>" >> $tmpdir/users.1.xml

echo '</artifacts>' >> $tmpdir/users.1.xml

xsltproc --xinclude user_names.xsl $tmpdir/users.1.xml > $tmpdir/users.2.xml

mkdir -p $cache_dir/sf/users $cache_dir/users

echo '<sf_users xmlns:xi="http://www.w3.org/2001/XInclude">' \

  >> $tmpdir/users.3.xml

xsltproc unknown_users.xsl $tmpdir/users.2.xml | while read user; do

    case $user in

	*@users.sourceforge.net)

	    user_id=`echo $user | sed 's/@users.sourceforge.net$//'`

	    if [ ! -r $cache_dir/sf/users/$user_id.html ]; then

		wget -N -O $cache_dir/sf/users/$user_id.html \

		  "http://sourceforge.net/users/$user_id/"

	    fi

	    if [ ! -r $cache_dir/users/$user_id.xhtml ]; then

		java -jar $tagsoup $cache_dir/sf/users/$user_id.html \

		  > $cache_dir/users/$user_id.xhtml

	    fi

	    echo "<xi:include href=\"$cache_dir/users/$user_id.xhtml\"/>" \

	      >> $tmpdir/users.3.xml

    esac

done

echo "<xi:include href=\"users.2.xml\"/>" >> $tmpdir/users.3.xml

echo '</sf_users>' >> $tmpdir/users.3.xml

xsltproc --xinclude user_names.xsl $tmpdir/users.3.xml > users.xml

ln -s $cache_dir/attachments $tmpdir

xsltproc bugzilla.xsl $input > artifacts.tmp.xml

xsltproc --xinclude bugzilla_post.xsl artifacts.tmp.xml > $output

#rm -rf $tmpdir artifacts.tmp.xml