git clone https://git.launchpad.net/canonical-osm/ /tmp/canonical-osm
mv /tmp/canonical-osm/charms/interfaces/juju-relation-mysql ../interfaces/juju-relation-mysql
charm build . --build-dir /tmp
git clone https://git.launchpad.net/canonical-osm/ /tmp/canonical-osm
mv /tmp/canonical-osm/charms/interfaces/juju-relation-mysql ../interfaces/juju-relation-mysql
charm build . --build-dir /tmp