So, I've been thinking a bunch about our multirepo strategy and its gone pretty back and forth.

My thoughts so far:

• Multirepos lead to clearer dependencies/modules/separation of concerns
• You can pretty easily (and cleanly) go from a multirepo to a monorepo. The other way isn't so easy.
• One downside is the increased overhead required (updating submodules in the bundle repo, having to merge multiple inter-dependent PRs from time to time). Not much to do about this that I can see, I think the benefits are worth it so far.
• Lack of good tooling: many are embracing monorepos at large scales (Facebook, Chromium) and that leads to less investment in multirepo tooling.

Tooling to develop:

• Tool to get collect contributor stats across multiple repos (Done! See contributor-stats)
• Tool that generates diffs and/or get a list of added commits (and their messages) in submodules between bundle-repo commits. This would help greatly with making changelogs.
  • This apparently existed in git, who knew!

This is just some thoughts I wanted to get out there, I think the multirepo/monorepo discussion is an interesting configuration management issue and I definitely want to learn more.