Scap config diff
This changes the config_deploy method in deploy-local as follows:
Write configs to a temp location, then output the diff of the new
config against the pre-existing config, recursively.
This only happens if you are deploying a config for a revision that
I can pretty easily extend this to support diffing against the
previously deployed revision. I can also provide a separate 'stage'
to do the config diff and prompt prior to continuing.
Not sure how this should be handled. @mobrovac: what do you think?
Deploy a revision, then change config and deploy again, using
--force to make the config deploy happen.
You should see the diff in the verbose output of deploy-log
Reviewers: thcipriani, demon, mobrovac, Release-Engineering-Team
Differential Revision: https://phabricator.wikimedia.org/D620