Source code for swh.loader.mercurial.utils
# Copyright (C) 2020-2021 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU General Public License version 3, or any later version
# See top-level LICENSE file for more information
import os
from typing import Dict
[docs]def get_minimum_env() -> Dict[str, str]:
"""Return the smallest viable environment for `hg` suprocesses"""
env = {
"HGPLAIN": "", # Tells Mercurial to disable output customization
"HGRCPATH": "", # Tells Mercurial to ignore user's config files
"HGRCSKIPREPO": "", # Tells Mercurial to ignore repo's config file
}
path = os.environ.get("PATH")
if path:
# Sometimes (in tests for example), there is no PATH. An empty PATH could be
# interpreted differently than a lack of PATH by some programs.
env["PATH"] = path
return env