Index: lib/bb/shell.py
===================================================================
--- lib/bb/shell.py	(revision 786)
+++ lib/bb/shell.py	(working copy)
@@ -145,6 +145,7 @@
 
     def build( self, params, cmd = "build" ):
         """Build a providee"""
+        global last_exception
         globexpr = params[0]
         self._checkParsed()
         names = globfilter( cooker.status.pkg_pn.keys(), globexpr )
@@ -175,18 +176,15 @@
 
         except Providers.NoProvider:
             print "ERROR: No Provider"
-            global last_exception
             last_exception = Providers.NoProvider
 
         except runqueue.TaskFailure, fnids:
             for fnid in fnids:
                 print "ERROR: '%s' failed" % td.fn_index[fnid]
-            global last_exception
             last_exception = runqueue.TaskFailure
 
         except build.EventException, e:
             print "ERROR: Couldn't build '%s'" % names
-            global last_exception
             last_exception = e
 
         cooker.configuration.cmd = oldcmd