tree 5a82a736d583641ad33f172ab13b4e6b4045dc96
parent ed172d5e3c9b7c364b07bafd8ef8a2fcd9e036f8
author beeps <beeps@chromium.org> 1359003166 -0800
committer ChromeBot <chrome-bot@google.com> 1359688065 -0800

[autotest] Allows us to pull repos as part of build_externals.

Pulls/clones chromite and hdctools/servo into site-packages. Also add
helper methods to revision_control.py and a -work-tree option, along
with a unittest.

TEST=built externals and imported servo/chromite.
BUG=chromium-os:38096

Change-Id: I1bae6e3f730495030665267876c8594800aa27d4
Reviewed-on: https://gerrit.chromium.org/gerrit/41910
Commit-Queue: Prashanth Balasubramanian <beeps@chromium.org>
Reviewed-by: Prashanth Balasubramanian <beeps@chromium.org>
Tested-by: Prashanth Balasubramanian <beeps@chromium.org>