2023-03-10 Nix team meeting minutes #39

[fricklerhandwerk]

Attendees: @ericson2314 @edolstra @regnat @roberth @tomberek (later: @fricklerhandwerk)

Agenda

• triage (30 min)
• continue XDG post mortem (15 min)
  • Global Channels and per-user profiles · Issue #7984 · NixOS/nix · GitHub
• @ericson2314 wants to check on two PRs in review (15 min)
• Make command infra less stateful and more regular by Ericson2314 · Pull Request #7750 · NixOS/nix · GitHub

Meeting notes

Triage

• `builtins.deepSeq` leads to nondeterministic error message · Issue #7933 · NixOS/nix · GitHub

  • assigned to @regnat

• `nix develop` does not set `SHELL` correctly · Issue #7971 · NixOS/nix · GitHub

  • idea approved, but not high priority

• Warn when building without nix daemon by yshui · Pull Request #7374 · NixOS/nix · GitHub

  • no conclusion, needs more design deliberation

• mk: Fix installation of static libraries by zhaofengli · Pull Request #7567 · NixOS/nix · GitHub

  • assigned to @Ericson2314 for review

• Support building the manual without `make install` by jhgit · Pull Request #7888 · NixOS/nix · GitHub

  • assigned to @Ericson2314

• tests: Fix flake- and sandbox-based build on Darwin by centromere · Pull Request #7588 · NixOS/nix · GitHub

  • assigned to @fricklerhandwerk

• Add `nix-channel --list-generations` by ShamrockLee · Pull Request #4803 · NixOS/nix · GitHub

  • assigned to @regnat

Discussion

XDG / per-user roots situation

• Fixes merged:

  • Fix `nix-collect-garbage -d` with the new profile location by thufschmitt · Pull Request #7993 · NixOS/nix · GitHub
  • The first installer fixed

• Should we do some more back-compat like? fix profile backwards compat by thufschmitt · Pull Request #8009 · NixOS/nix · GitHub

  • fix profile backwards compat by thufschmitt · Pull Request #8009 · NixOS/nix · GitHub
  • @Ericson2314 (trying to summarize after the fact) Consensus seems to be middle-ground with new behavior but back compat appars to be deemed “not worth the costs”

• Global Channels and per-user profiles · Issue #7984 · NixOS/nix · GitHub

  • the issue with global channels in particular

• @ericson2314: Should we backport fixes to 2.14?

  • @regnat: We should
  • also update release notes

Triaging test PRs

• @ericson2314: Should we prioritize test PRs similar to bugfixes?
  • @fricklerhandwerk: Yes
• Warn when building without nix daemon by yshui · Pull Request #7374 · NixOS/nix · GitHub
  • no conclusion, needs design decision
• nix-hash: support base-64 and SRI format by ShamrockLee · Pull Request #7690 · NixOS/nix · GitHub
  • assigned to @regnat
• https://github.com/NixOS/nix/pull/7928#issuecomment-1463840113
  • merged