wp-cli/wp-cli — pull request #1395 by phh (2014-09-11 20:07:18+00:00)
Title: Throws warning on plugin (de)activate --network if its not a network

When trying to use wp plugin (de)activate --network it just tell you that the plugin is now network (de)activated. But if it's not a network it should really return an error or another feedback message instead.