Cleaning up minor things in rat task.

gradle/validation/rat-sources.gradle

@@ -21,11 +21,11 @@ import groovy.xml.NamespaceBuilder
 
 configure(rootProject) {
     configurations {
-        rat
+        ratDeps
     }
 
     dependencies {
-        rat "org.apache.rat:apache-rat"
+        ratDeps "org.apache.rat:apache-rat"
     }
 }
 
@@ -34,23 +34,23 @@ allprojects {
         group = 'Verification'
         description = 'Runs Apache Rat checks.'
     }
+}
 
-    if (project == rootProject) {
+configure(rootProject) {
     rat {
         includes += [
             "buildSrc/**/*.java",
             "lucene/tools/forbiddenApis/**",
             "lucene/tools/prettify/**",
-                // "dev-tools/**"
         ]
         excludes += [
             // Unclear if this needs ASF header, depends on how much was copied from ElasticSearch
             "**/ErrorReportingTestListener.java"
         ]
     }
-    }
+}
 
-    if (project.path == ":lucene:analysis:common") {
+configure(project(":lucene:analysis:common")) {
     rat {
         srcExcludes += [
             "**/*.aff",
@@ -59,64 +59,51 @@ allprojects {
             "**/*LuceneResourcesWikiPage.html"
         ]
     }
-    }
+}
 
-    if (project.path == ":lucene:analysis:kuromoji") {
+configure(project(":lucene:analysis:kuromoji")) {
     rat {
         srcExcludes += [
             // whether rat detects this as binary or not is platform dependent?!
             "**/bocchan.utf-8"
         ]
     }
-    }
+}
 
-    if (project.path == ":lucene:analysis:opennlp") {
+configure(project(":lucene:analysis:opennlp")) {
     rat {
         excludes += [
             "src/tools/test-model-data/*.txt",
         ]
     }
-    }
+}
 
-    if (project.path == ":lucene:highlighter") {
+configure(project(":lucene:highlighter")) {
     rat {
         srcExcludes += [
             "**/CambridgeMA.utf8"
         ]
     }
-    }
+}
 
-    if (project.path == ":lucene:suggest") {
+configure(project(":lucene:suggest")) {
     rat {
         srcExcludes += [
             "**/Top50KWiki.utf8",
             "**/stop-snowball.txt"
         ]
     }
-    }
+}
 
-    if (project.path == ":lucene:tools") {
-        rat {
-            includes += [
-                "forbiddenApis/**",
-                "prettify/**",
-                // If/when :lucene:tools becomes a gradle project, then the following line will fail
-                // It is safe to remove it, but also remove the check for lucene/tools in rootProject above
-                "javadoc/ecj.javadocs.prefs"
-            ]
-        }
-    }
-
-
-    if (project.path == ":solr:core") {
+configure(project(":solr:core")) {
     rat {
         srcExcludes += [
             "**/htmlStripReaderTest.html"
         ]
     }
-    }
+}
 
-    if (project.path == ":solr:webapp") {
+configure(project(":solr:webapp")) {
     rat {
         includes = [ "**" ]
         excludes += [
@@ -126,7 +113,6 @@ allprojects {
             "build/**",
         ]
     }
-    }
 }
 
 // Structure inspired by existing task from Apache Kafka, heavily modified since then.
@@ -154,7 +140,7 @@ class RatTask extends DefaultTask {
 
     def generateXmlReport() {
         def uri = 'antlib:org.apache.rat.anttasks'
-        def ratClasspath = project.rootProject.configurations.rat.asPath
+        def ratClasspath = project.rootProject.configurations.ratDeps.asPath
         ant.taskdef(resource: 'org/apache/rat/anttasks/antlib.xml', uri: uri, classpath: ratClasspath)
 
         def rat = NamespaceBuilder.newInstance(ant, uri)