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Viewing changes to bzrlib/tests/__init__.py

(jam) Merge 2.4 into trunk, including bugs #825027 and #837293

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bzrlib/tests/__init__.py
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        real branch.
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        """
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        root = TestCaseWithMemoryTransport.TEST_ROOT
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        wt = bzrdir.BzrDir.create_standalone_workingtree(root)
 
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        try:
 
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            # Make sure we get a readable and accessible home for .bzr.log
 
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            # and/or config files, and not fallback to weird defaults (see
 
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            # http://pad.lv/825027).
 
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            self.assertIs(None, os.environ.get('BZR_HOME', None))
 
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            os.environ['BZR_HOME'] = root
 
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            wt = bzrdir.BzrDir.create_standalone_workingtree(root)
 
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            del os.environ['BZR_HOME']
 
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        except Exception, e:
 
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            self.fail("Fail to initialize the safety net: %r\nExiting\n" % (e,))
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        # Hack for speed: remember the raw bytes of the dirstate file so that
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        # we don't need to re-open the wt to check it hasn't changed.
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        TestCaseWithMemoryTransport._SAFETY_NET_PRISTINE_DIRSTATE = (