Skip "fix_local_scheme" for "virtualenv ."? (symlinks all files)

[blueyed]

I wonder if fix_local_scheme should get skipped for the special case of virtualenv ., where it causes all files in the current directory to be symlinked from the local folder.

This causes some unexpected behavior with pytest_django's tests, which uses virtualenv ., and then confused py.test, because it found the conftest.py twice (see pytest-dev/pytest-django#102).

[bukzor]

fix_local_scheme should go away entirely.
The ubuntu patch that it was working around no longer exists.

[Ivoz]

@bukzor do you remember for which ubuntu versions that patch existed on?

[yan12125]

@Ivoz It's for Ubuntu 11.04 (#118). I'm not sure whether other Ubuntu versions are also affected or not.

[stale]

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