2 from os.path import dirname, realpath
10 from bup import helpers
11 from bup.compat import environ, fsencode
14 _bup_src_top = realpath(dirname(fsencode(__file__)))
16 @pytest.fixture(autouse=True)
17 def ephemeral_env_changes():
18 orig_env = environ.copy()
20 for k, orig_v in orig_env.items():
26 for k in environ.keys():
31 os.chdir(_bup_src_top)