Fix exception in FileTicketService when deleting a repository

releases.moxie

@@ -16,6 +16,7 @@ r27: {
     security: ~
     fixes:
     - Fix exception when viewing a ticket with a patchset where the integration branch does not exist (issue-521, ticket-212)
+    - Fix exception when deleting a repository using the FileTicketService (issue-522, ticket-213)
     changes:
     - Replaced Dagger with Guice (ticket-80)
     - Use release name as root directory in Gitblit GO artifacts (ticket-109)

src/main/java/com/gitblit/tickets/FileTicketService.java

@@ -493,6 +493,10 @@ public class FileTicketService extends ITicketService {
 	@Override
 	protected boolean deleteAllImpl(RepositoryModel repository) {
 		Repository db = repositoryManager.getRepository(repository.name);
+		if (db == null) {
+			// the tickets no longer exist because the db no longer exists
+			return true;
+		}
 		try {
 			File dir = new File(db.getDirectory(), TICKETS_PATH);
 			return FileUtils.delete(dir);