Add support for symbolic references
This makes the symbolic references sent from upstream branch aliases in snapshots, instead of pointing to the target.
Test Plan
tox
Migrated from D2078 (view on Phabricator)
Staging instance, all changes can be removed at any time
This makes the symbolic references sent from upstream branch aliases in snapshots, instead of pointing to the target.
tox
Migrated from D2078 (view on Phabricator)