Revert JENKINS-8383 as it didn't work with Maven 2

changelog.html

@@ -75,9 +75,6 @@ Upcoming changes</a>
   Bundling <a href="https://wiki.jenkins-ci.org/display/JENKINS/Translation+Assistance+Plugin">the translation assistance plugin</a> in the hope of increasing the contribution.
   <li class=rfe>
   Introduce a fine-grained permission to control who is allowed to run the Groovy Console.
-  <li class=rfe>
-    Maven jobs should include fingerprints of their parent POMs
-    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-8383">issue 8383</a>)
   <li class=rfe>
     Add support for maven-android-plugin integration test reports
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-10913">issue 10913</a>)    

maven-plugin/src/main/java/hudson/maven/reporters/MavenFingerprinter.java

@@ -81,12 +81,10 @@ public class MavenFingerprinter extends MavenReporter {
      * Mojos perform different dependency resolution, so we need to check this for each mojo.
      */
     public boolean postExecute(MavenBuildProxy build, MavenProject pom, MojoInfo mojo, BuildListener listener, Throwable error) throws InterruptedException, IOException {
-        // TODO (kutzi, 2011/09/06): it should be perfectly save to move all these records to the
-        // postBuild method as artifacts should only be added by mojos, but never removed/modified.
-		record(pom.getArtifacts(),used);
+        record(pom.getArtifacts(),used);
         record(pom.getArtifact(),produced);
         record(pom.getAttachedArtifacts(),produced);
-        record(pom.getGroupId() + ":" + pom.getArtifactId(),pom.getFile(),produced);
+        record(pom.getGroupId(),pom.getFile(),produced);
 
         return true;
     }
@@ -95,11 +93,7 @@ public class MavenFingerprinter extends MavenReporter {
      * Sends the collected fingerprints over to the master and record them.
      */
     public boolean postBuild(MavenBuildProxy build, MavenProject pom, BuildListener listener) throws InterruptedException, IOException {
-        
-        recordParents(pom);
-        
         build.executeAsync(new BuildCallable<Void,IOException>() {
-            private static final long serialVersionUID = -1360161848504044869L;
             // record is transient, so needs to make a copy first
             private final Map<String,String> u = used;
             private final Map<String,String> p = produced;
@@ -125,27 +119,6 @@ public class MavenFingerprinter extends MavenReporter {
         return true;
     }
 
-	private void recordParents(MavenProject pom) throws IOException, InterruptedException {
-		MavenProject parent = pom.getParent();
-		while (parent != null) {
-			File parentFile = parent.getFile();
-			if (parentFile == null) {
-				// Parent artifact contains no actual file, so we resolve against
-				// the local repository
-				parentFile = parent.getProjectBuildingRequest()
-						.getLocalRepository().find(parent.getArtifact())
-						.getFile();
-			}
-			// we need to include the artifact Id for poms as well, otherwise a
-			// project with the same groupId would override its parent's
-			// fingerprint
-			record(parent.getGroupId() + ":" + parent.getArtifactId(),
-					parentFile, used);
-			parent = parent.getParent();
-		}
-	}
-
-    
     private void record(Collection<Artifact> artifacts, Map<String,String> record) throws IOException, InterruptedException {
         for (Artifact a : artifacts)
             record(a,record);
@@ -166,14 +139,14 @@ public class MavenFingerprinter extends MavenReporter {
      * This method contains the logic to avoid doubly recording the fingerprint
      * of the same file.
      */
-    private void record(String fileNamePrefix, File f, Map<String, String> record) throws IOException, InterruptedException {
+    private void record(String groupId, File f, Map<String, String> record) throws IOException, InterruptedException {
         if(f==null || files.contains(f) || !f.isFile())
             return;
 
         // new file
         files.add(f);
         String digest = new FilePath(f).digest();
-        record.put(fileNamePrefix+':'+f.getName(),digest);
+        record.put(groupId+':'+f.getName(),digest);
     }
 
     @Extension