ansible/ansible — pull request #2514 by raphinou (2013-03-27 13:38:32+00:00)
Title: replaced && by || 

In the example, you want /bin/true to be executed if the first command has an error return code. Combining command with && will run the second only if the first is successful. Combining them with ||, the second will be run only of the first fails, what is wanted here.