Cleanup remaining scripts to use script-relative resource location.

gradle/documentation/render-javadoc.gradle

@@ -20,6 +20,8 @@ import javax.annotation.Nullable
 // generate javadocs by calling javadoc tool
 // see https://docs.oracle.com/en/java/javase/11/tools/javadoc.html
 
+def resources = scriptResources(buildscript)
+
 allprojects {
   plugins.withType(JavaPlugin) {
     ext {
@@ -39,17 +41,19 @@ allprojects {
       description "Generates Javadoc API documentation for the main source code. This directly invokes javadoc tool."
       group "documentation"
 
+      taskResources = resources
       dependsOn sourceSets.main.compileClasspath
-      classpath = sourceSets.main.compileClasspath;
+      classpath = sourceSets.main.compileClasspath
       srcDirSet = sourceSets.main.java;
 
-      outputDir = project.javadoc.destinationDir;
+      outputDir = project.javadoc.destinationDir
     }
 
     task renderSiteJavadoc(type: RenderJavadocTask) {
       description "Generates Javadoc API documentation for the site (relative links)."
       group "documentation"
 
+      taskResources = resources
       dependsOn sourceSets.main.compileClasspath
       classpath = sourceSets.main.compileClasspath;
       srcDirSet = sourceSets.main.java;
@@ -65,9 +69,9 @@ allprojects {
 
 // Set up titles and link up some offline docs for all documentation
 // (they may be unused but this doesn't do any harm).
-def taskResources = "${rootProject.projectDir}/gradle/documentation/render-javadoc"
-def javaJavadocPackages = rootProject.file("${taskResources}/java11/")
-def junitJavadocPackages = rootProject.file("${taskResources}/junit/")
+
+def javaJavadocPackages = rootProject.file("${resources}/java11/")
+def junitJavadocPackages = rootProject.file("${resources}/junit/")
 allprojects {
   project.tasks.withType(RenderJavadocTask) {
     title = "${project.path.startsWith(':lucene') ? 'Lucene' : 'Solr'} ${project.version} ${project.name} API"
@@ -159,6 +163,9 @@ class RenderJavadocTask extends DefaultTask {
   @Input
   def executable
 
+  @Input
+  def taskResources
+
   /** Utility method to recursively collect all tasks with same name like this one that we depend on */
   private Set findRenderTasksInDependencies() {
     Set found = []
@@ -311,8 +318,6 @@ class RenderJavadocTask extends DefaultTask {
       throw new GradleException("Javadoc generation failed for ${project.path},\n  Options file at: ${optionsFile}\n  Command output at: ${outputFile}", cause)
     }
 
-    def taskResources = "${project.rootDir}/gradle/documentation/render-javadoc"
-
     // append some special table css, prettify css
     ant.concat(destfile: "${outputDir}/stylesheet.css", append: "true", fixlastline: "true", encoding: "UTF-8") {
       filelist(dir: taskResources, files: "table_padding.css")

gradle/testing/defaults-tests.gradle

@@ -20,6 +20,7 @@ import org.apache.tools.ant.types.Commandline
 import org.gradle.api.tasks.testing.logging.*
 import org.apache.lucene.gradle.ErrorReportingTestListener
 
+def resources = scriptResources(buildscript)
 def verboseModeHookInstalled = false
 
 allprojects {
@@ -105,7 +106,7 @@ allprojects {
 
       jvmArgs Commandline.translateCommandline(resolvedTestOption("tests.jvmargs"))
 
-      systemProperty 'java.util.logging.config.file', rootProject.file("gradle/testing/defaults-tests/logging.properties")
+      systemProperty 'java.util.logging.config.file', file("${resources}/logging.properties")
       systemProperty 'java.awt.headless', 'true'
       systemProperty 'jdk.map.althashing.threshold', '0'
 

gradle/testing/randomization.gradle

@@ -33,6 +33,8 @@ buildscript {
   }
 }
 
+def resources = scriptResources(buildscript)
+
 // Pick the "root" seed from which everything else is derived.
 configure(rootProject) {
   ext {
@@ -182,14 +184,14 @@ allprojects {
         if (Boolean.parseBoolean(testOptionsResolved["tests.useSecurityManager"])) {
           if (project.path == ":lucene:replicator") {
             systemProperty 'java.security.manager', "org.apache.lucene.util.TestSecurityManager"
-            systemProperty 'java.security.policy', rootProject.file("gradle/testing/policies/replicator-tests.policy")
+            systemProperty 'java.security.policy', file("${resources}/policies/replicator-tests.policy")
           } else if (project.path.startsWith(":lucene")) {
             systemProperty 'java.security.manager', "org.apache.lucene.util.TestSecurityManager"
-            systemProperty 'java.security.policy', rootProject.file("gradle/testing/policies/tests.policy")
+            systemProperty 'java.security.policy', file("${resources}/policies/tests.policy")
           } else {
             systemProperty 'common-solr.dir', commonSolrDir
             systemProperty 'java.security.manager', "org.apache.lucene.util.TestSecurityManager"
-            systemProperty 'java.security.policy', rootProject.file("gradle/testing/policies/solr-tests.policy")
+            systemProperty 'java.security.policy', file("${resources}/policies/solr-tests.policy")
           }
 
           systemProperty 'common.dir', commonDir

gradle/validation/ecj-lint.gradle

@@ -27,6 +27,8 @@ configure(rootProject) {
   }
 }
 
+def resources = scriptResources(buildscript)
+
 allprojects {
   plugins.withType(JavaPlugin) {
     // Create a [sourceSetName]EcjLint task for each source set
@@ -69,7 +71,7 @@ allprojects {
         args += [ "-proc:none" ]
         args += [ "-nowarn" ]
         args += [ "-enableJavadoc" ]
-        args += [ "-properties", rootProject.file("gradle/validation/ecj-lint/ecj.javadocs.prefs").absolutePath ]
+        args += [ "-properties", file("${resources}/ecj.javadocs.prefs").absolutePath ]
 
         doFirst {
           tmpDst.mkdirs()

gradle/validation/forbidden-apis.gradle

@@ -18,6 +18,8 @@
 // This configures application of forbidden API rules
 // via https://github.com/policeman-tools/forbidden-apis
 
+def resources = scriptResources(buildscript)
+
 // Only apply forbidden-apis to java projects.
 allprojects { prj ->
   plugins.withId("java", {
@@ -39,7 +41,7 @@ allprojects { prj ->
       deps += ["defaults.all.txt", "defaults.${suffix}.txt"]
 
       deps.each { sig ->
-        def signaturesFile = rootProject.file("gradle/validation/forbidden-apis/${sig}")
+        def signaturesFile = file("${resources}/${sig}")
         if (signaturesFile.exists()) {
           logger.info("Signature file applied: ${sig}")
           signaturesFiles += files(signaturesFile)
@@ -79,7 +81,7 @@ allprojects { prj ->
       ]
 
       signaturesFiles = files(
-          rootProject.file("gradle/validation/forbidden-apis/defaults.tests.txt")
+          file("${resources}/defaults.tests.txt")
       )
 
       suppressAnnotations += [
@@ -133,7 +135,7 @@ allprojects { prj ->
     // This is the simplest workaround possible: just point at all the rule files and indicate
     // them as inputs. This way if a rule is modified, checks will be reapplied.
     configure([forbiddenApisMain, forbiddenApisTest]) { task ->
-      task.inputs.dir(rootProject.file("gradle/validation/forbidden-apis"))
+      task.inputs.dir(file(resources))
     }
   })
 }

gradle/validation/owasp-dependency-check.gradle

@@ -20,13 +20,15 @@
 
 // If -Pvalidation.owasp=true is set the validation will also run as part of the check task.
 
+def resources = scriptResources(buildscript)
+
 configure(rootProject) {
   dependencyCheck {
     failBuildOnCVSS = propertyOrDefault("validation.owasp.threshold", 7) as Integer
     formats = ['HTML', 'JSON']
     skipProjects = [':solr:solr-ref-guide']
     skipConfigurations = ['unifiedClasspath']
-    suppressionFile = rootProject.file('gradle/validation/owasp-dependency-check/exclusions.xml')
+    suppressionFile = file("${resources}/exclusions.xml")
   }
 
   task owasp() {