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Nix Flake
Theme fund: NGI0 Entrust
Start: 2023-02
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Software engineering

Gorgon CI

Continuous integration testing for PRs against software dependencies

A longstanding challenge of open source development is that few users test development versions of software. This means that bugs make it into stable releases, annoying thousands of downstream users. In extreme but common cases, this results in downstream software getting stuck on outdated versions of dependencies because they missed the opportunity to participate in the upstream release cycle. This is despite the fact that many of those downstream users will have their own CI setups that might have caught the bug had they been run against the development version of the upstream library.

Gorgon is a CI system that will test PRs for your project, but it will run your project's tests against PRs for your dependencies as well. By leveraging Nix, Gorgon can make smart decisions about which PRs to test. Changes affecting few derivations will be prioritized over mass rebuilds, to test as many PRs as possible despite limited hardware.

This will let you identify which changes to your upstream dependencies you should care about. You'll be able to find and report bugs before they make it into a release, and know which upstream discussions to get involved in.

  • The project's own website:

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This project was funded through the NGI0 Entrust Fund, a fund established by NLnet with financial support from the European Commission's Next Generation Internet programme, under the aegis of DG Communications Networks, Content and Technology under grant agreement No 101069594.