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Viewing changes to bzrlib/tests/blackbox/test_diff.py

More use cases for overrideEnv, _cleanEnvironment *may* contain too much variables now.

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bzrlib/tests/blackbox/test_diff.py
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        # subprocess.py that we had to workaround).
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        # However, if 'diff' may not be available
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        self.make_example_branch()
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        # this will be automatically restored by the base bzr test class
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        os.environ['BZR_PROGRESS_BAR'] = 'none'
 
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        self.overrideEnv('BZR_PROGRESS_BAR', 'none')
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        out, err = self.run_bzr_subprocess('diff -r 1 --diff-options -ub',
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                                           universal_newlines=True,
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                                           retcode=None)