NO-JIRA Automatically remove useless package-info.java files

build.gradle

 
       fileTree('src/main/java/').matching() {
         include "*/**/*.java"
+        exclude "*/**/package-info.java"
       }.forEach {
         allPathsContainingJavaFiles << it.toPath().toFile().getParent();
       }
             packageInfoFile << packageInfoContent
         }
       }
+
+      def allPackageInfoFiles = [] as Set
+
+      fileTree('src/main/java/').matching() {
+        include "*/**/package-info.java"
+      }.forEach {
+        allPackageInfoFiles << it.toPath().toFile();
+      }
+
+      allPackageInfoFiles.forEach {
+        File packageInfoFile = it;
+        if (!allPathsContainingJavaFiles.contains(packageInfoFile.getParent())) {
+          logger.warn("Deleting package info file: " + packageInfoFile)
+          packageInfoFile.delete();
+        }
+      }
+
     }
   }
   build.dependsOn(generatePackageInfo)