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>
2 files changed