tree efb01e4a8a562e9db8a7a55a18a042160ef55551
parent 5cdd57f8c34dbcbfdab07885af1c2c5b0a435625
author Alex Klein <saklein@chromium.org> 1606166283 -0700
committer Commit Bot <commit-bot@chromium.org> 1607558813 +0000

lib/depgraph.py: Add root info.

Add the root info to the dependency tree for later processing
in the dependency graph.

BUG=chromium:1135361
TEST=./run_pytest

Change-Id: I0cbb97bbfdcdd7785a22dba86dc8e6fb83b80ca8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2575353
Tested-by: Alex Klein <saklein@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Alex Klein <saklein@chromium.org>