The Nix Hour

Currently Playing: The Nix Hour #49 [contributing to nixpkgs]

Questions can only be asked by voice or chat in the meeting: https://meet.zrh.init7.net/nix-hour. The Nix Hour is an open beginner-oriented Q&A-style lecture on Nix, where you can bring your questions and we’ll answer them with more context, examples, alternatives, tradeoffs and related topics. Matrix room for questions, feedback and notifications: https://matrix.to/#/%23nix-hour:matrix.org Issue tracker for asynchronous questions: https://github.com/tweag/nix-hour/issues Previous sessions playlist: https://www.youtube.com/playlist?list=PLyzwHTVJlRc8yjlx4VR4LU5A5O44og9in For more information and updates, check out https://discourse.nixos.org/t/the-nix-hour-a-weekly-nix-qa-lecture-by-tweag/22767 00:00 Intro 00:33 Q: How to contribute https://github.com/NixOS/nixpkgs/blob/master/CONTRIBUTING.md 01:27 nixpkgs structure: 01:35 lib: non-derivation library functions 02:22 maintainers: data and scripts for maintainers 03:12 pkgs: packages and builders 04:24 doc: nixpkgs manual https://nixos.org/manual/nixpkgs/unstable/ 05:05 nixos: implementation of NixOS distro 05:35 nixos/doc/manual: NixOS manual https://nixos.org/manual/nixos/stable 07:05 How to create pull requests 07:19 branches in nixpkgs (master, staging, release) 09:20 mass rebuilds (when to target staging) 16:31 example package update 20:52 detailed docs for nixpkgs parts 23:03 Hydra and tests overview 27:48 committing, pushing and creating PR 31:22 rebasing between branches 33:00 continue PR creation 35:59 PR review workflow 39:34 Q: When to use flakes for own library/tool 41:14 Q: How to name packages and handle name clashes 49:10 Q: How do packages refer to each other without infinite recursion 54:54 Q: Composing poetry2nix packages with nixpkgs ones 58:45 poetry2nix is being removed from nixpkgs https://github.com/NixOS/nixpkgs/pull/263308 59:44 Outro