Randomize new jobs.

* distribute-tasks (read_new_tasks): Randomize the new tasks before
  inserting them first.

ChangeLog

+2006-10-25  Per Cederqvist  <ceder@sedesopim.lysator.liu.se>
+	
+	Randomize new jobs.
+
+	* distribute-tasks (read_new_tasks): Randomize the new tasks
+	before inserting them first.
+
 2006-10-24  Per Cederqvist  <ceder@sedesopim.lysator.liu.se>
 
 	Prefer new jobs to old jobs.

distribute-tasks

@@ -82,14 +82,18 @@ def read_tasks(lysrdiffpart):
 
 def read_new_tasks():
     new_found = False
+    new_tasks = []
     for line in file("/nobackup/backup.lysator/var/tasks"):
         info = parse_line(line)
         if (info.host(), info.directory()) not in tasks_per_source:
             info.set_lysrdiffpart(newtasks())
             tasks_per_source[(info.host(), info.directory())] = info
-	    ordered_tasks.insert(0, info)
+	    new_tasks.append(info)
             new_found = True
 
+    random.shuffle(new_tasks)
+
+    ordered_tasks = new_tasks + ordered_tasks
     return new_found
 
 def write_task_lists():