title: Is there a way to set multiple parameters with one choice in jenkins
body: <p>I am trying to manage a jenkins build where a user may select to build either from master, or a specific branch.  There are several variables that need to be set depending on what the user chooses.  I've spent all day trying to find any reasonable way of doing this, and the best thing I've come up with is offering the user two dropdowns populated with low level parameter values.</p>