Update paycheck to understand the updated update_metadata fields.

When checking a payload, always start by printing a description of the
payload being checked.

Recompiled (with protoc) the updated update_metadata.proto from the
update_engine.

BUG=chromium:226310
TEST=Manual Run
CQ-DEPEND=CL:47347

Change-Id: Ib60c6e6978d30444db7b65ef6d09540c9ffacdb8
Reviewed-on: https://gerrit.chromium.org/gerrit/50899
Commit-Queue: Don Garrett <dgarrett@chromium.org>
Reviewed-by: Don Garrett <dgarrett@chromium.org>
Tested-by: Don Garrett <dgarrett@chromium.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/scripts/update_payload/payload.py b/scripts/update_payload/payload.py
index fefc7e4f..1796f511 100644
--- a/scripts/update_payload/payload.py
+++ b/scripts/update_payload/payload.py
@@ -154,6 +154,30 @@ class Payload(object):
 
     self.is_init = True
 
+  def Describe(self):
+
+    def _DescribeImageInfo(description, image_info):
+      def _DisplayIndentedValue(name, value):
+        print '  {:<14} {}'.format(name+':', value)
+
+      print '%s:' % description
+      _DisplayIndentedValue('Channel', image_info.channel)
+      _DisplayIndentedValue('Board', image_info.board)
+      _DisplayIndentedValue('Version', image_info.version)
+      _DisplayIndentedValue('Key', image_info.key)
+
+      if (image_info.build_channel != image_info.channel):
+        _DisplayIndentedValue('Build channel', image_info.build_channel)
+
+      if (image_info.build_version != image_info.version):
+        _DisplayIndentedValue('Build version', image_info.build_version)
+
+    if self.manifest.HasField('old_image_info'):
+      _DescribeImageInfo('Old Image', self.manifest.old_image_info)
+
+    if self.manifest.HasField('new_image_info'):
+      _DescribeImageInfo('New Image', self.manifest.new_image_info)
+
   def _AssertInit(self):
     """Raises an exception if the object was not initialized."""
     if not self.is_init: