feat(B-0849): docker-based NixOS install.sh test harness — fast iteration (~30 sec) complementing B-0831 QEMU full-install (~15 min); 'easy dockerfile' (Aaron 2026-05-27)#5390
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AceHack merged 1 commit intoMay 27, 2026
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…tion (~30 sec) complementing B-0831 QEMU full-install (~15 min); "easy dockerfile" per operator framing (Aaron 2026-05-27) Operator framing 2026-05-27 (verbatim): > "we should add docker based nixos install.sh testing so we can > iterate quick that's an easy dockerfile" Direct response after PR #5389 (iter-5.5.1 alignment fix-fwd for PR #5388) where the operator named the iteration-cost problem: every install.sh / linux.sh / mise.sh change today requires a full ISO build + USB flash + physical install (~30 min cycle); Docker testing of just the script on NixOS userspace gives seconds-per- iteration. 3-phase plan: - Phase 1: tools/ci/dockerfiles/nixos-install-sh-test/Dockerfile (10-line FROM nixos/nix + touch /etc/NIXOS + COPY . . + RUN tools/setup/install.sh) + TS wrapper bun tools/ci/docker-nixos-install-sh-test.ts per Rule 0 - Phase 2: GitHub Actions integration with path-filter scoped to tools/setup/** + full-ai-cluster/nixos/modules/common.nix - Phase 3: documented Docker-vs-QEMU coverage matrix; both run on install-substrate PRs (Docker fast, QEMU end-to-end) Empirical case for the substrate: iter-5.4 cascade has produced 8 distinct bugs (Bug 1-8) all caught only after operator USB flash; Docker harness would have caught Bug 5 (gh not in systemPackages), Bug 7 (NetBIOS conflict with smbd), Bug 8 (credential persistence gap) AT WRITE TIME. Composes with: B-0831 cascade #6 (complementary; full-VM scope at minutes-per-cycle); B-0835 install bug cluster (this row catches future Bug-N at write-time); B-0848 (node-local Claude install validation); B-0824 (Ace package-manager — Docker NixOS test is one slice of three-way-parity); GOVERNANCE §24 (three-way parity extended to NixOS-via-Docker validation surface). 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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AceHack
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Summary
Operator (verbatim):
Direct response after PR #5389 (iter-5.5.1 alignment fix-fwd) — operator named the iteration-cost problem: every install.sh / linux.sh / mise.sh change today requires full ISO build + USB flash + physical install (~30 min cycle). Docker testing of just the script on NixOS userspace gives seconds-per-iteration.
Empirical case
iter-5.4 cascade produced 8 distinct bugs (Bug 1-8) ALL caught only after operator USB flash. Docker harness would have caught Bug 5 (gh not in systemPackages), Bug 7 (NetBIOS conflict with smbd), Bug 8 (credential persistence gap) at write time.
3-phase plan
Composes with
B-0831 (QEMU full-install — complementary) · B-0835 (install bug cluster) · B-0848 (node-local Claude) · B-0824 (Ace) · GOVERNANCE §24 (three-way parity extended to NixOS-via-Docker)
🤖 Generated with Claude Code