tree 7593c43e985af59ea00b625416df0c581ff03483
parent a12ee11c78ac6d7c2605921a4006b6a7416e0c35
author Alex Deymo <deymo@chromium.org> 1439499622 -0700
committer ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> 1439612802 +0000

update_engine: Extend payload metadata with Brillo fields.

In order to update more than two partitions, we moved the partition
update description to a new message PartitionUpdate.

The InstallOperation message is extended with a per-operation source
data hash to validate the source data right before we apply the
operation instead of relying on the slow whole-partition hash.

This patch also includes two new operation types: ZERO and DISCARD to
be included starting with delta minor_version=3 and full payloads in
Brillo. It doesn't include the implementation for those yet.

BUG=b:23179128
TEST=Unittest still pass.

Change-Id: I5b5fc8e2af6684ce655bf1fa1b82d1d2285a4e3a
Reviewed-on: https://chromium-review.googlesource.com/293505
Trybot-Ready: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
Reviewed-by: Alex Deymo <deymo@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>