. $(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
}

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

cd $SRC/platform/external
if [ -d elfutils-upstream ]; then
        cd elfutils-upstream
	git checkout master
        git pull
else
        git clone git://sourceware.org/git/elfutils.git elfutils-upstream
        cd elfutils-upstream
fi


NEW_VERSION=$(latest $(git tag | grep -E 'elfutils-' | sed -e 's,^elfutils-0.,,'))
echo "NEW_VERSION = 0.$NEW_VERSION"


checkout platform/external/elfutils

cd $SRC/platform/external/elfutils
if git branch -a |grep -q linaro-upstream-0.$NEW_VERSION; then
	ok "elfutils is up to date."
	exit 0
fi

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


AOSPVER=$(latest $(grep "Version" NEWS | sed -e 's,^Version 0.,,'| sed -e "s/:/ /g"))
echo "AOSPVER = 0.$AOSPVER"


if [ "$NEW_VERSION" = "$AOSPVER" ]; then
	notice "elfutils is up to date in AOSP master, copying its work"
else
	LATEST_LINARO=$(latest $(git branch -a |grep origin/linaro-upstream |sed -e 's,.*-0.,,'))
	if [ -n "$LATEST_LINARO" ]; then
		if [ "$(latest $LATEST_LINARO $AOSPVER)" != "$AOSPVER" ]; then
			git checkout linaro-upstream-$LATEST_LINARO || git checkout -b linaro-upstream-$LATEST_LINARO origin/linaro-upstream-$LATEST_LINARO
		fi
	fi
	
	notice "Updating elfutils to $NEW_VERSION"
	
	rm -f Android.patch
	cd ../elfutils-upstream
	git checkout -b linaro-upstream-work-$TIMESTAMP elfutils-0.$AOSPVER
	cd ../elfutils
	for i in *; do
		if [ -e ../elfutils-upstream/$i ]; then
			diff -ruN ../elfutils-upstream/$i $i >>Android.patch
		fi
	done
	cd ../elfutils-upstream
	git checkout master
	git branch -D linaro-upstream-work-$TIMESTAMP
	git checkout -b linaro-upstream-work-$TIMESTAMP elfutils-0.$NEW_VERSION
	cd ../elfutils
	for i in *; do
		if [ -e ../elfutils-upstream/$i ]; then
			cp -rf ../elfutils-upstream/$i .
		fi
	done
	
	
	if patch -p0 <Android.patch; then
		rm Android.patch
		notice "Auto-updated elfutils to 0.$NEW_VERSION."
		git commit -asm "Update to elfutils 0.$NEW_VERSION"
		git clean -d -f -x
	else
		error "Couldn't auto-update elfutils - patch failed to apply."
		error "Please fix manually and commit to a branch called"
		error "linaro-upstream-$NEW_VERSION."
		exit 1
	fi
	cd ../elfutils-upstream
	git checkout master
	git branch -D linaro-upstream-work-$TIMESTAMP
	cd ../elfutils
	
	
fi

git push origin linaro-upstream-work-$TIMESTAMP:linaro-upstream-$NEW_VERSION
git pull
git checkout -b linaro-upstream-$NEW_VERSION origin/linaro-upstream-$NEW_VERSION
git branch -D linaro-upstream-work-$TIMESTAMP

pwd