Most of version control (VCM) tool and practices, code is managed in multiple branches (Like Project Branch(Branched from the Master Branch) and as code deploys to PRODUCTION (Or higher instances) code merges/integrates back to the Master branch.This step in most of organizations is automated and scripted (as a Post or a Pre Migration step) instead of user merging the code back to master branch manually. This practice evolves more and has more advanced variations and uses as CICD/DevOps evolves across companies .
Current Problem with STAT is that the Pre-Post Migration scripts are not suitable for executing this kind of scripts as part of the migration .
Simple article illustrating how GitHub is used https://guides.github.com/introduction/flow/ for Branching code and merging the code back to the Main/Master branch .
