tree f10e04659e489ae2c3ee8d89369037cf0db41367
parent ba1bf227bbf430c07381c96ab3afb0e16e1bebc8
author Marc-Antoine Ruel <maruel@chromium.org> 1513805814 -0500
committer Commit Bot <commit-bot@chromium.org> 1513948645 +0000

client: fix run_isolated.py --env-prefix to be based on root

It was based on the relative_cwd, which can be confusing. Makes it
deterministically based on the root directory.

Add a unit test which caught a bug. :)

R=iannucci@chromium.org
Bug: 786503
Change-Id: Idb341a1e08aa37577fef2763f89206a97fd2c85d
Reviewed-on: https://chromium-review.googlesource.com/815596
Commit-Queue: Marc-Antoine Ruel <maruel@chromium.org>
Reviewed-by: Robbie Iannucci <iannucci@chromium.org>

Cr-Mirrored-From: https://chromium.googlesource.com/infra/luci/luci-py
Cr-Mirrored-Commit: b8d8f94c4f73629150cc48a4082c1c99318acbdf