--- a/mercurial/commands.py	Mon May 01 10:02:17 2006 +0200
+++ b/mercurial/commands.py	Mon May 01 10:04:25 2006 +0200
@@ -3365,7 +3365,7 @@
         if num: signal.signal(num, catchterm)
 
     try:
-        u = ui.ui()
+        u = ui.ui(traceback='--traceback' in sys.argv[1:])
     except util.Abort, inst:
         sys.stderr.write(_("abort: %s\n") % inst)
         return -1
@@ -3389,7 +3389,7 @@
             external.append(mod)
         except Exception, inst:
             u.warn(_("*** failed to import extension %s: %s\n") % (x[0], inst))
-            if "--traceback" in sys.argv[1:]:
+            if u.traceback:
                 traceback.print_exc()
                 return 1
             continue
@@ -3417,7 +3417,7 @@
             atexit.register(print_time)
 
         u.updateopts(options["verbose"], options["debug"], options["quiet"],
-                not options["noninteractive"])
+                     not options["noninteractive"], options["traceback"])
 
         # enter the debugger before command execution
         if options['debugger']:
@@ -3484,7 +3484,7 @@
             # enter the debugger when we hit an exception
             if options['debugger']:
                 pdb.post_mortem(sys.exc_info()[2])
-            if options['traceback']:
+            if u.traceback:
                 traceback.print_exc()
             raise
     except ParseError, inst:

--- a/mercurial/localrepo.py	Mon May 01 10:02:17 2006 +0200
+++ b/mercurial/localrepo.py	Mon May 01 10:04:25 2006 +0200
@@ -12,7 +12,7 @@
 from demandload import *
 demandload(globals(), "appendfile changegroup")
 demandload(globals(), "re lock transaction tempfile stat mdiff errno ui")
-demandload(globals(), "revlog sys traceback")
+demandload(globals(), "revlog traceback")
 
 class localrepository(object):
     def __del__(self):
@@ -117,7 +117,7 @@
                                    '%s\n') % (hname, exc))
                 if throw:
                     raise
-                if "--traceback" in sys.argv[1:]:
+                if self.ui.traceback:
                     traceback.print_exc()
                 return False
             if not r:

--- a/mercurial/ui.py	Mon May 01 10:02:17 2006 +0200
+++ b/mercurial/ui.py	Mon May 01 10:04:25 2006 +0200
@@ -12,7 +12,7 @@
 
 class ui(object):
     def __init__(self, verbose=False, debug=False, quiet=False,
-                 interactive=True, parentui=None):
+                 interactive=True, traceback=False, parentui=None):
         self.overlay = {}
         if parentui is None:
             # this is the parent of all ui children
@@ -24,6 +24,7 @@
             self.verbose = self.configbool("ui", "verbose")
             self.debugflag = self.configbool("ui", "debug")
             self.interactive = self.configbool("ui", "interactive", True)
+            self.traceback = traceback
 
             self.updateopts(verbose, debug, quiet, interactive)
             self.diffcache = None
@@ -45,11 +46,12 @@
         return getattr(self.parentui, key)
 
     def updateopts(self, verbose=False, debug=False, quiet=False,
-                 interactive=True):
+                   interactive=True, traceback=False):
         self.quiet = (self.quiet or quiet) and not verbose and not debug
         self.verbose = (self.verbose or verbose) or debug
         self.debugflag = (self.debugflag or debug)
         self.interactive = (self.interactive and interactive)
+        self.traceback = self.traceback or traceback
 
     def readconfig(self, fn, root=None):
         if isinstance(fn, basestring):