Comment 1 for bug 1704652

I have attempted to reproduce this locally and it seems to work just fine.

clark@nibbler:~/tmp/pbr_testing$ virtualenv -p python3 venv
Already using interpreter /usr/bin/python3
Using base prefix '/usr'
New python executable in /home/clark/tmp/pbr_testing/venv/bin/python3
Also creating executable in /home/clark/tmp/pbr_testing/venv/bin/python
Installing setuptools, pip, wheel...done.
clark@nibbler:~/tmp/pbr_testing$ venv/bin/pip install -i http://mirror.dfw.rax.openstack.org/pypi/simple --trusted-host mirror.dfw.rax.openstack.org pbr
Collecting pbr
  Downloading http://mirror.dfw.rax.openstack.org/pypi/packages/0c/5d/b077dbf309993d52c1d71e6bf6fe443a8029ea215135ebbe0b1b10e7aefc/pbr-3.1.1-py2.py3-none-any.whl (99kB)
    100% |████████████████████████████████| 102kB 675kB/s
Installing collected packages: pbr
Successfully installed pbr-3.1.1

Can you provide more details on how PBR isn't respecting these variables? They should be handled by pip completely external to PBR.