LuceneExecutor could not delete the Lucene index from a working copy

docs/04_releases.mkd

@@ -11,6 +11,7 @@ If you are updating from an earlier release AND you have indexed branches with t
 
 #### fixes
 
+- Gitblit could not delete a Lucene index in a working copy on index upgrade 
 - Do not index submodule links (issue 119)
 - Restore original user or team object on failure to update (issue 118)
 - Fixes to relative path determination in repository search algorithm for symlinks (issue 116)

src/com/gitblit/LuceneExecutor.java

@@ -286,7 +286,7 @@ public class LuceneExecutor implements Runnable {
 			close(repositoryName);
 
 			// delete the index folder
-			File repositoryFolder = new File(repositoriesFolder, repositoryName);
+			File repositoryFolder = FileKey.resolve(new File(repositoriesFolder, repositoryName), FS.DETECTED);
 			File luceneIndex = new File(repositoryFolder, LUCENE_DIR);
 			if (luceneIndex.exists()) {
 				org.eclipse.jgit.util.FileUtils.delete(luceneIndex,