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docs(lab11): add reproducible Nix build report - #11

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Cre-eD and others added 12 commits June 11, 2026 23:14
…blickey-denied pitfalls

Signed-off-by: Dmitrii Creed <creeed22@gmail.com>
…n; set honest cache expectations

- 2.2: matrixed jobs report as 'test (1.23)' etc.; the old required
  'test'/'vet' contexts hang at 'Expected' and block every student PR.
  Document both fixes (rename required checks / require a single ci-ok
  aggregation job with if: always())
- 2.4: QuickNotes has zero deps, so cache on/off won't move wall-clock;
  ask students to explain why + compare per-step timings instead
- pitfalls for both

Signed-off-by: Dmitrii Creed <creeed22@gmail.com>
…k pitfalls

- nixos-24.11 default buildGoModule ships Go 1.23 while app/go.mod requires
  go 1.24 -> every student hits 'go.mod requires go >= 1.24'. Bump example
  pin to nixos-25.11 (default buildGo125Module) in lab + reading flake example
- new pitfall: fix Go version in the flake (buildGo124Module / override),
  never downgrade app/go.mod
- new pitfall + prereq fallback: install.determinate.systems (CloudFront)
  may time out even when curl -I returns 200; official nixos.org installer
  (Fastly) as fallback, WSL2-vs-browser-VPN check, TUNA mirror substituter

Signed-off-by: Dmitrii Creed <creeed22@gmail.com>
@MiniMaxC MiniMaxC changed the title Feature/lab11 docs(lab11): add reproducible Nix build report Jul 14, 2026
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