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Comment by brudgers | Hacker News Reader

There are a lot of projects that don't meet those criteria. Scale is bidirectional. Tools designed for big projects can have features and designs that don't scale down well. Tools designed for big projects often depend on institutional type knowledge where expertise is spread among multiple individuals...at Google, there teams of engineers managing the single code tree is what allows a monorepository.

Alternatives are not replacements.

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Yes, it's a team of engineers. But interestingly, Google started with a mono-repo. All through their explosive growth they maintained (mostly, except Android and Chromium) their vision of mono-repo. It clearly shows that their vision of mono-repo works both for small companies, as well as large ones.

A build-script without dependency resolution clearly does not scale. It was the reason to design and implement Make, CMake, Maven, SBT and many others.

To add to this, Google spent a lot of time and effort on building a custom build system (Bazel) to make this sort of dependency tracking in a mono-repo easy. It's pretty great, and I'd rather write BUILD files than Makefiles/shell scripts any day, but the OP appears to have been focusing on extremely simple projects, where shell scripts are okay.

Right, "works for me" doesn't mean "you must do it.".

My apologies for not expressing myself as clearly as I would like.

Some systems don't need to scale. Make and SBT etc. have an impedance mismatch with some projects due to their learning curve and the current sophistication of the development team.

The most important feature of any development tool is not whether it is best practice, it is whether it works. For example, Tarn Adams doesn't use version control for Dwarf Fortress. [1] That doesn't mean Microsoft should have switched the Windows codebase to zip files instead of Git any more than a single developer should start boiling the small lake of SBT just because it is better.

Sometimes, it is easier and faster and better to just build the tool that is needed. And of course sometimes it isn't.

[1]: https://www.reddit.com/r/IAmA/comments/1avszc/im_tarn_adams_...

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