Made a stronger attempt to make sure the registry file gets written.

scripts/supybot

@@ -63,7 +63,6 @@ def main():
     import schedule
     schedule.addPeriodicEvent(world.upkeep, 300)
     world.startedAt = started
-    try:
     try:
         while world.ircs:
             drivers.run()
@@ -73,8 +72,6 @@ def main():
         raise SystemExit, 'Goodbye!'
     except:
         log.exception('Exception raised out of drivers.run:')
-    finally:
-        registry.close(conf.supybot, args[0])
 
 if __name__ == '__main__':
     ###
@@ -114,8 +111,9 @@ if __name__ == '__main__':
     if not args or len(args) > 1:
         parser.error() 
 
+    registryFilename = args.pop()
     try:
-        registry.open(args[0])
+        registry.open(registryFilename)
     except registry.InvalidRegistryFile, e:
         sys.stderr.write(str(e))
         sys.stderr.write('\n')
@@ -124,6 +122,12 @@ if __name__ == '__main__':
     import log
     import conf
     
+    def closeRegistry():
+        log.info('Writing registry file to %s', registryFilename)
+        registry.close(conf.supybot, registryFilename)
+        log.info('Finished writing registry file.')
+    atexit.register(closeRegistry)
+
     nick = options.nick or conf.supybot.nick.get()
     user = options.user or conf.supybot.user.get()
     ident = options.ident or conf.supybot.ident.get()