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build(guix): re-pin the Guix channel to 8edb9da (WO 1.4) - #62
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Owner ruling 2026-11-10: move the pin to a commit the Guix build farm has evaluated. At ae77aeb (the canon pin of 2026-09-30) Guix had no substitute for itself, so every proof-lane run compiled Guix before it checked a proof (about 30 minutes locally). 8edb9da is evaluation 2220227 of the master jobset, 2026-11-10. The prover versions are the same at both commits (Agda 2.7.0.1, Rocq 8.18.0, Lean 4.29.0), so the version assertions of the lanes stand. PROVISIONING-STANDARD re-pins channels.scm per repository and checks it for a 40-hex commit, not byte equality with the canon. Only the Guix commit moves: just toolchain-refresh would also bump every mise tool, which is outside this work order. lean-toolchain now names v4.29.0, the Lean the lanes run. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0136P7ZnDRsCLfZcFcEzvPcM
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Summary
The last part of work order 1.4. Owner ruling 2026-11-10: move
build/channels.scmto a commit that the Guix build farm has evaluated.Changes
build/channels.scm: Guix commitae77aeb(the canon pin of 2026-09-30) becomes8edb9da(master evaluation 2220227, 2026-11-10). Atae77aeb, Guix had no substitute for itself, so each proof-lane run compiled Guix first.channels.scmper repository, and checks it for a 40-hex commit, not byte equality with the canon.just toolchain-refreshwould also bump everymisetool, which is outside this work order.verification/proofs/lean4/lean-toolchain:v4.29.0, the Lean that the lanes run.Testing
This pull request's lane run measures the new pin. I compare its toolchain step time with the run of #61 at
ae77aeb. Local trials could not measure it, because this machine runs the Guix daemon without its build chroot.Generated by Claude Code