-B is a shorthand for --batch-mode. It allows you to perform a release in a non-interactive way. Having said that, using is in conjunction with the clean and install targets seems redundant to me as these goals are non-interactive by nature.
-B is a shorthand for --batch-mode. It allows you to perform a release in a non-interactive way. Having said that, using is in conjunction with the clean and install targets seems redundant to me as these goals are non-interactive by nature.