algos/snapshot: Add function to resolve branch alias to real target
Add an utility function to resolve a snapshot branch alias to its real target.
Related to T2734
Migrated from D4369 (view on Phabricator)
Staging instance, all changes can be removed at any time
Add an utility function to resolve a snapshot branch alias to its real target.
Related to T2734
Migrated from D4369 (view on Phabricator)