[PATCH] Add --traceback option

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[PATCH] Add --traceback option

From: Bryan O'Sullivan <[e-mail]>

Add --traceback option, to force printing tracebacks on top-level exceptions.


manifest hash: 4347f42205b8b23835424b4e4100860ff2834b95
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mercurial/commands.py

@@ -818,6 +818,7 b' def dispatch(args):'
             ('q', 'quiet', None, 'quiet'),
             ('p', 'profile', None, 'profile'),
             ('R', 'repository', "", 'repository root directory'),
+            ('', 'traceback', None, 'print traceback on exception'),
             ('y', 'noninteractive', None, 'run non-interactively'),
             ('', 'version', None, 'output version information and exit'),
             ]
@@ -855,6 +856,7 b' def dispatch(args):'
         sys.exit(-1)
 
     try:
+        try:
         if cmd not in norepo.split():
             path = options["repository"] or ""
             repo = hg.repository(ui=u, path=path)
@@ -874,6 +876,10 b' def dispatch(args):'
             return r
         else:
             return d()
+        except:
+            if options['traceback']:
+                traceback.print_exc()
+            raise
     except util.CommandError, inst:
         u.warn("abort: %s\n" % inst.args)
     except hg.RepoError, inst: