title: Set xcode "build setting" from terminal?
body: <p>Is there anyway that I can change a setting in xcode without opening xcode? I have an automated xcodebuild / xcrun process going on but I need to change 1 value: </p>
  
  <p>Targets > Select your target > Build Settings > Code Signing Resource Rules Path
  add :
  $(SDKROOT)/ResourceRules.plist</p>
  
  <p>I can't find any file where I might put this line... </p>