src/jdk.jpackage/macosx/classes/jdk/jpackage/internal/MacDmgBundler.java

*** 270,280 ****
          }
  
          protoDMG.getParentFile().mkdirs();
          finalDMG.getParentFile().mkdirs();
  
!         String hdiUtilVerbosityFlag = Log.isDebug() ? "-verbose" : "-quiet";
  
          // create temp image
          ProcessBuilder pb = new ProcessBuilder(
                  hdiutil,
                  "create",
--- 270,281 ----
          }
  
          protoDMG.getParentFile().mkdirs();
          finalDMG.getParentFile().mkdirs();
  
!         String hdiUtilVerbosityFlag = VERBOSE.fetchFrom(params) ?
!                 "-verbose" : "-quiet";
  
          // create temp image
          ProcessBuilder pb = new ProcessBuilder(
                  hdiutil,
                  "create",