view tests/sitecustomize.py @ 47586:a8e33ab50c4f

run-tests: use more explicit signaling for `chg`

Using a dedicated variable is clearer and less fragile. It cannot hurt.

Differential Revision: https://phab.mercurial-scm.org/D11051

from __future__ import absolute_import
import os

if os.environ.get('COVERAGE_PROCESS_START'):
    try:
        import coverage
        import uuid

        covpath = os.path.join(
            os.environ['COVERAGE_DIR'], 'cov.%s' % uuid.uuid1()
        )
        cov = coverage.coverage(data_file=covpath, auto_data=True)
        cov._warn_no_data = False
        cov._warn_unimported_source = False
        cov.start()
    except ImportError:
        pass