gitserver: Factor out vcsDependenciesSyncer (!34289) · Merge requests · Administrator / sourcegraph

Administrator requested to merge sh/refactor-vcs-syncer into main Apr 21, 2022

Created by: tsenart

Context

This commit factors out the common bits between all existing dependencies syncers into a vcsDependenciesSyncer type.

This will make introducing new ones quicker and less error prone (i.e. Python)

Unit, integration and manual tests.