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add a warning to avoid confusion about command line tools from parent #1128

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Jan 8, 2019
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add a warning to avoid confusion about command line tools from parent #1128

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15 changes: 15 additions & 0 deletions docs/config.rst
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Expand Up @@ -403,6 +403,21 @@ Complete list of settings that you can put into ``testenv*`` sections:
Set to ``true`` if you want to create virtual environments that also
have access to globally installed packages.

.. warning::

In cases where a command line tool is also installed globally you have
to make sure that you use the tool installed in the virtualenv by using
``python -m <command line tool>`` (if supported by the tool) or
``{envbindir}/<command line tool>``.

If you forget to do that you will get a warning like this::

WARNING: test command found but not installed in testenv
cmd: /path/to/parent/interpreter/bin/<some command>
env: /foo/bar/.tox/python
Maybe you forgot to specify a dependency? See also the whitelist_externals envconfig setting.


.. conf:: alwayscopy ^ true|false ^ false

Set to ``true`` if you want virtualenv to always copy files rather than
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