storage*: origin_get_by_sha1: Type remaining existing endpoints
Last origin endpoint. I'll change it soon to return origin objects. But let's type remaining as is for now.
Related to T645
Test Plan
tox
Migrated from D3698 (view on Phabricator)
Last origin endpoint. I'll change it soon to return origin objects. But let's type remaining as is for now.
Related to T645
tox
Migrated from D3698 (view on Phabricator)