. $(dirname $0)/functions

vertonumber () {
	local VERSIONID=$1
	local V1=$(echo $VERSIONID | cut -d. -f1)
	local V2=$(echo $VERSIONID | cut -d. -f2)
	local V3=$(echo $VERSIONID | cut -d. -f3)
	local V="$V1$V2$V3"
	echo -n $V
}


NEW_VERSION=$(latest $(curl ftp://xmlsoft.org/libxml2/ | grep "LATEST_LIBXML2" | cut -d'>' -f2 | sed -e 's,^ libxml2-,,' | sed -e "s/.tar.*//g"))

if [ -z "$NEW_VERSION" ]; then
	echo "Can't determine current version, probably the website has been edited."
	echo "Please fix the $0 script."
	exit 1
fi
echo "NEW_VERSION = $NEW_VERSION"


checkout platform/external/libxml2

cd $SRC/platform/external/libxml2

if git branch -a | grep -q linaro-upstream-$NEW_VERSION; then
	ok "libxml2 is up to date."
	exit 0
fi

git checkout -b linaro-upstream-work-$TIMESTAMP aosp/master

AOSPVER=$(grep "Version:" README.version | cut -d ' ' -f2)
echo "AOSPVER = $AOSPVER"


if [  "$(vertonumber $NEW_VERSION)" -le "$(vertonumber $AOSPVER)" ]; then
	notice "libxml2 is up to date in AOSP master, copying its work"
else
	notice "Updating libxml2 to $NEW_VERSION"
	
	cd $SRC/platform/external
	wget ftp://xmlsoft.org/libxml2/libxml2-$NEW_VERSION.tar.gz
	tar -zxf libxml2-$NEW_VERSION.tar.gz
	
	cd libxml2
	
	for i in *; do
		if [ -e ../libxml2-$NEW_VERSION/$i ]; then
			cp -rf ../libxml2-$NEW_VERSION/$i .
		fi
	done
	
	cd $SRC/platform/external
	rm -rf libxml2-$NEW_VERSION.tar.gz libxml2-$NEW_VERSION
	
	cd $SRC/platform/external/libxml2
	sed -i -e 's/'$AOSPVER'/'$NEW_VERSION'/g' README.version
	
	error "Couldn't auto-update libxml2 - patch failed to apply."
	error "Please fix manually and commit to a branch called"
	error "linaro-upstream-$NEW_VERSION."
	exit 1
	
fi