tree 134ea203d74a8de02afa9bb7957685df54b24a42
parent 2a811912c6e8a2f85d4a9ef03694cd29cb5fd1cd
author Dean Troyer <dtroyer@gmail.com> 1423695662 -0600
committer Dean Troyer <dtroyer@gmail.com> 1423765160 -0600

Teach pip_install() about virtual envs

Set PIP_VIRTUAL_ENV to install the package(s) into an existing virtual
environment.  This works by simply using the pip command already
in the venv, and not using sudo.

Change-Id: I910e1752e58a666174f83b4f97e547851e66e655