ci(nix): run nix-fast-build from the locked nixpkgs - #29
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What
nix.ymlran nix-fast-build from upstream HEAD (nix run github:Mic92/nix-fast-build), which tracks the tool's own branch — no pin at all. A nix-eval-jobs regression rolled through on 2026-08-18 and hung the parallel flake eval for 38+ minutes; the same class of failure hits whatever the tool's HEAD happens to be.Change
.github/workflows/nix.yml—nix run --inputs-from . nixpkgs#nix-fast-build, resolvingnixpkgsfrom this repo's lockedflake.lock. CI now runs the same nix-fast-build and nix-eval-jobs as the dev shell. Same fix pattern already merged in eidetica (#105) and chaz (#56).Verification
actionlintclean on.github/workflows/nix.yml.Merging makes this file live:
.github/workflows/nix.yml.