Having done this migration, I recommend you look into filter-repo, https://github.com/newren/git-filter-repo https://github.com/newren/git-filter-repo I don't

Having done this migration, I recommend you look into filter-repo, https://github.com/newren/git-filter-repo https://github.com/newren/git-filter-repo I don't remember the specifics but the method used here didn't produce the results we were looking for when migrating long histories and lots of branches.