News

• An EPYC NixOS build farm

  Graham explores and benchmarks an AMD EPYC build server against a differently incredible build server, finding the EPYC’s builds are much faster across the board.

• Understanding Nix’s String Context

  Shea Levy explains what is String Context, how it’s implemented in Nix and shares implications on the use of the language.

• PostgreSQL packaging is getting an overhaul

  Easier use of plugins, version 10 as default, improved documentation, LLVM JIT support and more.

• RFC: pkgs.overrideWithScope

  Add pkgs.overrideWithScope. This function is similar to pkgs.override, except that it filters the arguments like callPackage does.

• RFC: Use meta.tests to link from packages to the tests that test them

  Aims to improve test discovery in nixpkgs.

• How to deploy Mendix applications with Nix/NixOS

• Layered build function abstractions for building Nix packages

  An elaborate blog post that composes the stdenv.mkDerivation {} abstraction function from scratch by using a layered approach.

• OfBorg update

  Build time-outs, push-button deploys, monitoring transparency, and more.

• RFC 30: Formalize review workflow

  A proposal for a new review workflow based on a set of pull-request states (needs:review, needs:work). It is intended to help reviewers and contributors get PRs merged quicker and reduce likelihood of PRs getting lost. It also greatly increases the value of non-commiter reviews.

• libnix-haskell 0.2.0.1 released

  libnix provides a nicely typed wrapper around the nix command line (for parsing, instantiating and realizing). It also provides wrappers for the nix-prefetch-url and nix-prefetch-git.

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