$ ./change-override -c main -t juju-core Override component to main juju-core 1.24.6-0ubuntu2 in wily: universe/devel -> main Override [y|N]? y 1 publication overridden.
$ ./change-override -c main -t juju-core
Override component to main
juju-core 1.24.6-0ubuntu2 in wily: universe/devel -> main
Override [y|N]? y
1 publication overridden.