Nix flake dev shell for build VMs #264
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opened 2026-10-31 16:12:47 +00:00 by kayg
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kayg/infraternal#264
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Provide a pinned Nix development shell for the build VMs and verify scripts/verify fast on x86_64 and aarch64. J1 covers x86_64; J2 investigates ARM restart fixtures and the x86-only static gate. J2 starts on local branch nix-devshell-arm tracking nix-devshell, base
72afb3edbd. No foundational choices or size ceilings change.J1 x86_64 investigation started on nix-devshell, base
72afb3edbd. Testing on claude@infraternal-dev-01-compute01. Comparing both reported failures with unmodified origin/dev; changes restricted to flake-specific causes.J2 start: nix-devshell-arm tracks nix-devshell at base
72afb3edbd. ARM VM infraternal-dev-02-std. Foreground ssh -tt + nix develop reproduces the same five restart failures (13 pass, 5 fail, 61.05s), ruling out nohup alone. /home/claude is 0750; /home/claude/worktrees is 0775: restart_binary rejects group-writable ancestry before reaching a private directory. Testing unchanged origin/dev42ab330358next. Proposed minimal gate correction: explicitly skip the entire x86-only static-build/size row on non-x86 hosts; retain both shipping cross-builds and runtime assertions on x86. Native workspace tests remain mandatory on ARM. No size ceilings or restart behavior change.J2 finding: unmodified origin/dev
42ab330358reproduces all five restart failures in foreground SSH inside the same Nix shell: 13 passed, 5 failed, 60.31s. Evidence on ARM VM: ~/j2-origin-dev-restart.log. Copying that exact compiled test executable into/.cache/codex-scratch/j2-restart-proof/ makes all 18 tests pass in 4.61s (/j2-private-restart.log). This isolates group-writable executable ancestry, not signals or flake contents: /home/claude=0750, worktrees=0775, .cache=0700. docs/PROCESS.md already requires a job-specific target under ~/.cache/codex-scratch. Full J2 gate will follow that requirement. Architecture-dispatch regression check failed on ARM before the patch and passes all four x86/ARM final/iterate combinations after it.Finding: both reported tests now pass individually inside the flake at
72afb3edb(SIGINT: 1 passed, 16 filtered, 0.82s; packaged closure: 1 passed, 103 filtered, 0.44s). Original closure failure explicitly says failed to download aho-corasick v1.1.5 because --offline was specified, so this is a cold Cargo cache prerequisite, not a missing flake tool. Baseline checks were started on clean origin/dev42ab330358using nix shell with real rustup and the same Nix Rust 1.99.0 toolchain. Blocked temporarily: VM 10.69.69.218 now returns SSH No route to host; awaiting recovery to collect baseline logs and run the final full gate.J1 blocked by x86 VM connectivity; this is not a completion claim.
Branch/head: nix-devshell at
72afb3edbd. No files changed. Pulled with rebase before pushing; output wasAlready up to date./Everything up-to-date.Individually inside the flake:
Original flake-verify-run1.log closure failure:
This proves an unpopulated cache was the immediate cause. It does not yet substitute for the requested origin/dev comparison.
Unmodified origin/dev baseline created at /home/claude/worktrees/j1-dev-baseline, SHA
42ab330358(clean when checked). Outside-flake tests use nix shell nixpkgs#rustup nixpkgs#gcc nixpkgs#perl nixpkgs#pkg-config, with RUSTUP_TOOLCHAIN selecting the identical Nix-store Rust 1.99.0 toolchain. Baseline SIGINT compilation started; no result collected. Intended logs: /home/claude/j1-dev-sigint.log and /home/claude/j1-dev-closure.log. Background-launch SIGINT reproduction: /home/claude/j1-flake-nohup-sigint.log. A socket-path comparison was queued in /home/claude/j1-cause.sh; history already documents that these are pre-existing test-fixture failures, deliberately excluded from the flake in72afb3edb. No fix made on that basis.SSH subsequently failed repeatedly over IPv4 and IPv6:
NetBird management/signal remain connected locally; the assigned VM peer reports Connecting. Local J1 SSH clients were stopped; remote process cleanup cannot be confirmed while unreachable. The outside-flake comparisons and required fresh full scripts/verify fast remain outstanding. No fresh full gate exists to quote; the existing flake-verify.log table has test FAIL (101) and all other rows PASS, and is prior evidence only.
J2 gate patch is limited to scripts/verify.d/rust.sh and scripts/test-verify-architecture.py. The static builds row is explicitly SKIP (x86) on ARM: it combines both target builds, exact size ratchets, x86 OpenSSL known vectors, and x86 CLI executions, so skipping only the first failing crypto command would still execute foreign binaries later. The x86 path is unchanged. ARM rerun command: CARGO_TARGET_DIR=/home/claude/.cache/codex-scratch/nix-devshell-arm CARGO_BUILD_JOBS=3 nice -n10 nix develop -c scripts/verify fast (from ~/worktrees/nix-devshell-arm). Reusing a private copy of the existing build cache; no shared VM directory permissions changed.
J2 evidence attached: unchanged origin/dev failure transcript https://git.kayg.org/attachments/878ff56f-6eee-4350-a2d9-333980a13339 and exact same executable passing after relocation https://git.kayg.org/attachments/1986cec1-5fbd-43ba-9e1a-b86d5e09e1ac . Repeated the private-path executable inside foreground nix develop too: 18 passed, 0 failed (~/j2-private-restart-nix.log). The full patched fast gate is running; its placeholders-feature infraternal suite has passed 103 tests, 0 failures, 1 ignored, including all restart tests.
J1 resumed after reboot, head
72afb3edbd. Existing flake-devshell and clean j1-dev-baseline worktrees survived; old build/test processes did not. All heavy commands now use ~/infraternal-ops/build-slot with CARGO_BUILD_JOBS=4. Resuming outside-flake comparisons and then one fresh full gate.J2 full rerun finding: all 103 main-binary tests pass (including every restart), but the next integration target replay_size_review fails before opening a socket: scripts/agent_fixture.py rejects a 108-byte default path with its six-digit PID (657926). scripts/verify-agent-replay-size-review.py uses label rr257. This is the known default-state-path limitation from the earlier flake-hook commits, now exposed because restart tests no longer stop Cargo first. I will prove it on clean origin/dev and rerun using the existing INFRATERNAL_AGENT_TEST_STATE_ROOT override under a private short cache path, without restoring a flake hook or changing product/fixture code. Current full log: ~/j2-verify-fast.log.
J2 baseline proof: clean origin/dev
42ab330358(git status empty), running the exact Python entry point invoked by replay_size_review, fails immediately with the identical ValueError: test state path is too long for an AF_UNIX socket after fallback: 108 bytes. Evidence ~/j2-origin-dev-replay.log. No product binary executes before this validation. The first complete fast rerun exited 1 after 13m22.796s: every Rust row PASS except test FAIL (101), with static builds explicitly SKIP (x86). It stops before TypeScript by design. A second complete rerun is queued through the newly required ~/infraternal-ops/build-slot, with the supported agent-fixture-only short root /home/claude/.cache/j2-state and private CARGO_TARGET_DIR. No flake hook or fixture change.J1 finding: Ctrl-C failure is pre-existing and depends on inherited signal disposition. Clean origin/dev
42ab33035outside the flake: default SIGINT -> 1 passed (0.88s); inherited SIG_IGN -> still running after SIGINT at cli_review.rs:166, exit 101 (5.83s). Flake at72afb3edb: default -> 1 passed (0.81s); SIG_IGN -> same failure, exit 101 (5.81s). Product exit_on_interrupt explicitly preserves inherited SIG_IGN (pty.rs). The final detached gate resets SIGINT to default before exec to reproduce foreground invocation; no signal policy change belongs in flake.nix. Also, the packaged closure test passes outside the flake on clean dev: 1 passed (0.62s), matching the warm-cache flake pass (0.41s). Raw logs are in /home/claude/j1-evidence on compute01 and will be attached with the final gate.J1 finding: the original offline dependency failure reproduces byte-for-byte outside the flake on clean origin/dev and inside the flake. Each run used a private Cargo cache containing a copy of the existing registry index but no crate archives; no shared cache was modified.
Both runs exited 101:
The targeted packaged-node test passes in both environments with the normal populated Cargo cache. Classification: pre-existing offline-cache requirement; no flake or product-code fix.
J2 second full rerun exited 1 (5m10.675s including 2m01s queued). All Rust rows PASS except test FAIL (101); static builds SKIP (x86). A different integration test, agent_queues, received terminal unavailable / resource_unavailable during its twelve-session setup. That test passed in the first full rerun. No timeout or product code changed. I noticed the new build-slot wrapper already applies nice -n10, so my extra nice in the second command doubled the niceness; the next baseline/final commands use build-slot directly. A clean origin/dev run of the same saturation fixture with the short state root is queued. Second transcript: https://git.kayg.org/attachments/fbe2ac8f-c040-4e38-a731-399271f466bc . The static dispatch regression itself passed in both full runs.
J2 clean origin/dev saturation fixture passes with the same short agent-state root and correct build-slot priority: queue overload: 12 streams retired then replayed x 65 Input frames; 2640000 payload bytes exactly once; dead shim isolated; daemon Ping: PASS. Transcript https://git.kayg.org/attachments/b2bfc428-21a3-4911-ae8b-db53f4f4bba9 . Final full gate queued with build-slot applying nice once, private CARGO_TARGET_DIR and agent-only short-state override. Product, fixture code, deadlines, flake and size ceilings remain unchanged.
J1 fresh-gate finding: the test row fails in
adopted_raw_and_snapshot_replays_keep_pre_resize_geometry(replay_size_review.rs:16). The Python fixture refuses its default AF_UNIX path at exactly 108 bytes:Proved outside the flake on clean origin/dev
42ab330358by running its unchangedpython3 scripts/verify-agent-replay-size-review.py --binary /home/claude/worktrees/flake-devshell/target/debug/infraternal: exit 1, the identical traceback atfixture_state('rr257'), before the binary is launched. Baseline remains clean. Evidence:/home/claude/j1-evidence/dev-replay-size-direct.log.Classification: pre-existing test-fixture path limit, already documented in 72afb3edb's rationale for dropping the state-root shell hook. No flake workaround or product-code change. The remaining gate rows are still running.
J2 found a genuine flake tool omission after the short-root rerun got past replay_size_review: ring_wrap_snapshot_repaints_real_vim waits for editor output and fails with WouldBlock. Inside nix develop, command -v vim fails and vim --version says command not found. The test explicitly launches vim at crates/infraternal/tests/shim.rs:345. Also command -v node resolves to /usr/local/bin/node, outside Nix; type-check CLI shebangs currently depend on that host installation. Adding pkgs.vim and pkgs.nodejs to the flake; no product dependency or engine choice changes. Final command will verify both executable paths come from /nix/store before repeating fast.
J1 x86_64 investigation finished. Branch
nix-devshell, head72afb3edbd24761dfffd65957d5416093fe72e21. No files changed: no flake-specific defect was found, and the pre-existing failures were not worked around in the shell. Pulled with rebase before pushing:Already up to date./Everything up-to-date. No issues closed.Original failures, classified with comparisons against unmodified origin/dev
42ab330358eb06d47acade8d0f2c35b9225af74b:still running after SIGINTat cli_review.rs:166. The CLI deliberately preserves SIG_IGN. Classification: inherited background-launch signal policy, pre-existing. No flake signal override.failed to download aho-corasick v1.1.5/attempting to make an HTTP request, but --offline was specified, exit 101. Classification: pre-existing cold-cache assumption. No automatic fetch shell hook.nix shell, the nixpkgs revision locked by the flake, andRUSTUP_TOOLCHAIN=/nix/store/02w3d1mmma133dcsl6pbxs7hbfdg2zv6-rust-minimal-1.99.0, matching rust-toolchain.toml without installing another compiler. Native build tools are Nix gcc, perl and gnumake. The baseline checkout stayed clean.Fresh full gate, once on compute01 after reboot, through
~/infraternal-ops/build-slot,CARGO_BUILD_JOBS=4:nix develop -c scripts/verify fast, exit 1. The detached launcher set SIGINT to default before exec, reproducing foreground invocation. Both originally reported tests pass in this full gate too.The only failing test reached by this run is
adopted_raw_and_snapshot_replays_keep_pre_resize_geometry:ValueError: test state path is too long for an AF_UNIX socket after fallback: 108 bytes. Proved outside the flake with the unchanged Python fixture on clean dev: same traceback, exit 1, before the binary is launched. This is the existing fixture-path issue documented in72afb3edb; no product-code change or shell workaround. Cargo stops that workspace test invocation at the failed integration test, so this run does not establish the status of later test binaries.Gate summary, verbatim:
Repository artifact-size and release-deployment functional checks also passed (full output attached). Static size evidence: x86_64 21,431,472 B; aarch64 19,605,896 B; both exactly at cap, delta +0 B, PT_INTERP absent. x86_64 locked/dump-excluded key-memory runtime check passed; aarch64 runtime is not checked on x86_64.
Evidence: raw gate and comparison logs attached below; VM copies in
/home/claude/j1-evidence/, control-host copies in/tmp/infraternal-j1-final/j1-evidence/. Gate test phase 319s; shim process-per-user phase 121s; static builds 10s (shared VM timings, not performance benchmarks). No background J1 work remains; process scan found no processes with cwd in either J1 worktree. No flake decision is needed from kayg; the pre-existing fixture-path failure remains for separate product/test work.J2 tool-path audit: node=/usr/local/bin/node, vim absent, ssh-keygen=/usr/bin/ssh-keygen, ssh-add=/usr/bin/ssh-add. Existing tests invoke all of these (release/staging_artifacts_test.py uses ssh-keygen; infraternal/tests/ssh_askpass.rs uses ssh-add). Added pkgs.nodejs, pkgs.vim and pkgs.openssh to the pinned flake. OpenSSL already resolves to /nix/store/...-openssl-3.5.9-bin/bin/openssl, so no redundant package added. The queued full rerun will evaluate this updated flake. Product dependencies, crypto providers, size caps and test timeouts stay unchanged.
J2 pinpointed why adding Vim alone is insufficient: infraternal-shim/src/pty.rs:194-202 clears inherited environment and sets PATH=/usr/local/bin:/usr/bin:/bin. This security invariant correctly excludes the Nix store. The real-editor fixture launches bare vim inside that PTY, so it cannot see the Vim provided by nix develop. Reproducing the unchanged test on clean origin/dev with the same fully provisioned Nix shell, then correcting only the fixture to resolve Vim from the test-process PATH and send its quoted absolute path. No product PATH change, host symlink, outside-Nix install or timeout change. This is the minimal portability correction required to exercise the real-editor gate on a Nix-only VM.
J2 editor fixture proof: clean origin/dev
42ab330358with Nix Vim present still fails the unchanged canary in 5.25s: https://git.kayg.org/attachments/e632ea4b-b5cd-4e1c-baa7-f9901a82f02a . Fixture-only correction resolves the executable from the test-process PATH, canonicalizes and shell-quotes its absolute path before entering the deliberately sanitized login environment. The canary now passes in 3.07s: https://git.kayg.org/attachments/62f572d8-9398-4c88-85e7-9b52261111d5 . No production PATH/security change or host installation. Full gate is running again on the complete four-file patch. Prior tool-provisioned gate transcript: https://git.kayg.org/attachments/4eeeefd6-bb1e-4ffb-be5c-1e8b7c2c1a96 (test FAIL (101), other Rust rows pass, static row SKIP (x86)).J2 finding: the complete rerun now passes the original restart tests and the real Vim fixture, but reaches three additional pre-existing native-session socket-path failures. Full rerun receipt: https://git.kayg.org/attachments/1e941d96-034a-40f9-b564-d6fe366a9624 (Rust test FAIL 101; all other Rust rows PASS, static builds SKIP (x86)).
Proved on a clean detached origin/dev
42ab330358eb06d47acade8d0f2c35b9225af74b, usingcargo test --locked -p infraternal-agent --features remote --lib remote_native_tests::terminal::gone_review -- --nocapture: default root gives 2 passed / 3 failed withpath must be shorter than SUN_LEN; the same binary withINFRATERNAL_TEST_STATE_ROOT=/home/claude/.cache/j2-nativegives 5 passed / 0 failed. Receipt: https://git.kayg.org/attachments/3307178d-b4d3-40ab-86ba-68b47c550b81.This setting is separate from
INFRATERNAL_AGENT_TEST_STATE_ROOTused by the replay fixture. Both existing overrides are supplied in the new full rerun. No production code, deadlines, security validation, or flake state-root hooks were changed.J2 infrastructure finding: the next full rerun exhausted the shared ARM VM disk. Restart library fixture copies report
Os { code: 28, kind: StorageFull, message: "No space left on device" }; cargo-deny ends on an advisory DB.git/index.lockwrite failure,Out of diskspace. The complete failed transcript is https://git.kayg.org/attachments/ae6c5eb3-0a47-4b6d-9d0c-1c3371a1aa8d. The binary's initial 103 tests passed, but later library restart tests failed under disk pressure; this run does not qualify the branch.df -h /home/claude: 246G size, 234G used, 1.7G available, 100%. Removed only J2's disposable~/.cache/codex-scratch/nix-devshell-arm/debug/incrementalcache (13G); now 16G available, 94%. No other job's files, shared cache, Nix store, or installed tools were changed. A targeted check of the SSH streaming failure is queued through build-slot before another complete rerun.J2 baseline blocker: SSH install test
streaming::decoded_image_and_hash_advance_before_the_transfer_tail_is_releasedalso fails after freeing disk, withhashed=true staged_bytes=Ok(552579)after ~10 s. Reproduced withcargo test --locked -p infraternal-plugin-ssh --test install streaming::decoded_image_and_hash_advance_before_the_transfer_tail_is_released -- --nocapturein clean origin/dev42ab330358eb06d47acade8d0f2c35b9225af74b: https://git.kayg.org/attachments/36388958-989c-4c7e-9fe5-d28d5eb08f58. The same baseline test executable run outside Nix fails identically: https://git.kayg.org/attachments/ba9aa0d1-c5aa-4cd6-a6e9-5eba53c54663. Both commands use build-slot; no extra nice.This is not a flake regression. No deadline, production transfer behavior, or skip was added for it. A fresh full
scripts/verify fastrun is active with disk space restored and both documented fixture-root overrides. If the Rust gate stops on this baseline failure, the runner separately executes the TypeScript gate for coverage and retains the full gate's nonzero status.J2 finished scoped implementation and pushed
nix-devshellat380179a602(local branchnix-devshell-arm). Rangit pull --rebaseimmediately before push; remote was still72afb3edb, so there were no J1 changes to reconcile. Worktree is clean; the final process sweep found no J2 build/test processes.Changes: provide Nix Node, Vim and OpenSSH; resolve Vim in the test runner to a shell-quoted absolute path because the production login shell intentionally scrubs PATH; dispatch the whole static release gate only on x86_64, with explicit
SKIP (x86)elsewhere. The static gate executes both x86 crypto and CLI binaries; skipping only its first probe would still fail on ARM. Both cross-builds, size ratchets and x86 behavior remain unchanged. Dispatch regression covers both architectures and final/iterate modes.Not a green full gate. Fresh full rerun (after restoring disk space): https://git.kayg.org/attachments/ac0659e1-afd1-43d3-8b0f-ab5efcbee461. No further source changes after that run. Formatting, scoped Clippy and workspace Clippy pass. The only Rust failure is the SSH streaming fixture, reproduced on clean origin/dev inside and outside Nix. TypeScript compiler checks pass; the independent TS gate has two shared-mock failures, reproduced by the same gate on clean origin/dev: https://git.kayg.org/attachments/02cc59ab-8296-4c04-91a8-dda5c5eda30e. The branch remains blocked on those baseline defects; no deadlines or skips were added for them.
Invocation, inside J2's VM worktree (build-slot applies nice once; Cargo jobs 3):
The runner additionally asserts node/vim/ssh-keygen/ssh-add/openssl all resolve from
/nix/store, captures the full gate's exit, then runssource scripts/verify.d/ts.sh; ts_verify_fastindependently to collect frontend coverage after Rust's failure. It preserves the full gate's nonzero result.Verbatim final Rust output:
Verbatim independent TS result and wrapper elapsed time:
Original restart findings: all five fail on clean dev under the group-writable worktrees ancestry, and all 18 pass when the same executable lives under the private target root (linked earlier). Both short-state overrides also avoid independently proved baseline SUN_LEN failures. These remain explicit test-environment prerequisites, outside the flake. No foundational choice, production behavior, or binary size ceiling changed. No issue closed.
J26 independent review started: review-nix-devshell-j26 at
380179a602, comparing origin/dev and merge base. Reviewing Nix pins/shim, fixture fidelity, static gate enforcement, and history. Will run nix develop -c scripts/verify fast on both Linux VMs through build-slot; no fixes or pushes.J26 review finding (P2, fix first):
flake.nix:7-10,56explicitly leaves Zig outside Nix and supplies curl/xz/tar forscripts/auth-toolchainto fetch/extract it into the target cache (scripts/auth-toolchain:26-28). This preserves D213's existing pinned/checksummed build recipe, so it is not a new unpinned fetch or a secret leak. It does not satisfy this review's explicit owner requirement that all VM packages come from Nix only. Please provide that same pinned Zig through Nix and retain the single-copy/compiler-output invariant, or obtain an explicit owner exception reconciling the nix-only requirement with D213. No fix made by the reviewer. Both fresh VM gates are running.J26 finding P3 (history contract): commits
43a1d441c,e01ee27e5,c2e3e1205,a28470c1e, and72afb3edblack the required #264/decision reference and Co-Authored-By trailer; the middle hook revisions also retain a broken-then-reverted experiment in the proposed history. Reword/squash the initial shell/tooling history into a reviewable passing slice.380179a60does explain rationale, rejected alternatives and #264 and includes its trailer. Its combined test/tool/gate changes form the ARM qualification slice. Source diff is clean (git diff --check); the apparent TASTE deletion in a direct comparison against today's origin/dev is a later dev-only addition, not a branch-authored deletion (merge base42ab33035; devec7b10111adds only that row).x86 failure-propagation probe: stubbed only
rust_static_build_checkto return 77, ran the actualrust_run_gateand final dispatch while neutralizing unrelated rows:static builds | FAIL (77),INJECTED_STATIC_FAILURE_EXIT=1. Thus the changed dispatch still enforces a failed x86 static row. Real two-target static verification remains in progress.J26 verification blocker: the fresh ARM run reached shared disk exhaustion (129 MiB available, 100%): native compilation reports
NoSpaceLeft/No space left on device. This run is invalid for branch qualification. Only J26's redundant copied artifacts were removed; no shared caches or other jobs were touched. Its independent TS gate still reproduces 361 pass / 2 fail, and the clean current origin/dev socket fixture reproduces the documented exact 108-byte rejection. Capturing remaining baseline checks, then retrying the full ARM gate after trimming more obsolete copied artifacts. The x86 run is still queued in build-slot; no result is claimed there.J26 ARM retry is also invalid: shared disk returned to 100%, 13 MiB available, with
LLVM ERROR: IO failure on output stream: No space left on deviceand truncated/corrupt native-cache reads. The same disk pressure introduced an extra layout-preview build-test failure on clean dev too. I cannot honestly confirm that a fresh ARM full run has only the documented product failures. Both review-owned runs have ended; removed J26's entire disposable ARM target cache to return space to the shared VM. No shared cache, Nix-store repair, or other job cleanup was attempted. First-run baseline evidence remains usable for SSH (101), both TS reconcile failures (361/2), and the exact 108-byte path rejection. Fresh clean ARM qualification needs sufficient free disk; not a source-code finding. x86 remains queued through the mandatory build slot.J26 ARM fresh qualification finished at head
380179a602, using build-slot +nix develop -c scripts/verify fast. Final run used CARGO_BUILD_JOBS=3, CARGO_INCREMENTAL=0, CARGO_PROFILE_DEV_DEBUG=0 and CARGO_PROFILE_TEST_DEBUG=0 to keep temporary test artifacts small after two invalid disk-full runs. This disables debug symbols only; assertions/optimization/release profiles are unchanged. Both documented short-state-root overrides and a private target root were supplied; the foreground SIGINT disposition was restored before the detached launcher exec.No disk errors occurred in the final run. Real Vim repaint canary PASS; all 103 main binary tests PASS; no flake-specific Rust failure. The only Rust failure is SSH streaming (
hashed=true staged_bytes=Ok(552579)), reproduced again on clean current origin/devec7b10111(exit 101). Independent TS on candidate and clean dev: the same two reconcile tests fail, 361 pass / 2 fail / 21687 expects. Baseline socket-path proof uses the documented six-digit PID 657926 to reproduce exactly 108 bytes before any product process starts (the VM now has seven-digit PIDs).Verbatim final Rust output:
Independent TS:
INDEPENDENT_TS_EXIT=1; clean dev:BASELINE_SOCKET_EXIT=0(expected rejection assertion),BASELINE_SSH_EXIT=101,BASELINE_TS_EXIT=1. The full gate is correctly nonzero and does not reach its TS phase, so TS is explicitly independent coverage.Attached: fresh ARM transcript, pure lock-pin evaluation (lock SHA-256 unchanged), and actual x86 dispatch/failure-propagation probe. The rustup shim resolves the Nix rustc and rejects toolchain installation (exit 1). No source files changed. The original-profile x86 full gate is still queued through build-slot; no fresh real static PASS is claimed yet.
J26 independent review, round 1. Verdict: fix first. Reviewed
nix-devshellat380179a602d6af185674971b7ae090137fd70ed5; review worktree branchreview-nix-devshell-j26, same head. Comparison baselineorigin/dev=ec7b10111e97a368d13becfca7eb3ac3df0195f6, merge base42ab330358eb06d47acade8d0f2c35b9225af74b. Dev adds only a TASTE row beyond that merge base, so the apparent direct-diff deletion is not an authored deletion on this branch.scripts/auth-toolchain:26-28to download/extract the executable outside Nix. It is checksum-pinned and preserves existing D213, so this is not a new unpinned flake fetch or a new compiler choice. It still contradicts the review's explicit requirement that VM packages come from Nix only. Supply the same pinned, single-copy toolchain through Nix, or obtain an explicit owner exception reconciling that requirement with D213. This requires owner reconciliation; the reviewer has not changed either policy or compiler.43a1d441c,e01ee27e5,c2e3e1205,a28470c1e,72afb3edbomit the required issue/decision reference and Co-Authored-By trailer. The state-root hook is added, narrowed and fully removed across three commits after breaking fixtures; consolidate that experiment into a passing tooling slice. Thec2e3e1205message also records a machine-specific/home/claudesetup path; remove it in that history cleanup. The final portability commit has #264, rationale, rejected alternatives and its trailer, and its test/tool/gate changes are a coherent ARM qualification slice. No setup paths, secrets, prices or unrelated changes were added to tracked source.No P0/P1 source finding. The
scripts/verify.d/rust.sh:268-276change is minimal: it skips only the combined x86-executing static row on non-x86 hosts, while all native rows remain mandatory. Both cross-builds, exact size ratchets, crypto checks and CLI probes remain unchanged on x86. The four-case dispatch test passes; separately injecting return 77 into onlyrust_static_build_check, while retaining the real gate wrapper, yieldsstatic builds | FAIL (77)and final exit 1. The Vim change (crates/infraternal/tests/shim.rs:330-343) retains the real editor, ring-wrap/snapshot/repaint assertions, timeouts and production PATH sanitization; the canary passes on both VMs.The committed flake lock pins both inputs by full revision and narHash. Pure
nix flake metadata --no-write-lock-fileleft the lock SHA-256 unchanged (7182e465cf29c8b1c52de31e22d22cb00b57c67fb73f3935c90152080d9ddc9b). No impure evaluation/fetch was added to the flake. The separate pre-existing Zig download is the P2 policy gap above. On both VMs, Rust/cargo/rustup-shim/Node/Bun/Vim/SSH tools resolve from/nix/store;rustup which rustcreturns the Nix compiler, andrustup toolchain install definitely-invalidis rejected with exit 1 without invoking real rustup or a downloader.Fresh verification used independent VM worktrees and the mandatory
~/infraternal-ops/build-slot nix develop -c scripts/verify fast, with Cargo jobs 4 on compute01 / 3 on ARM, privateCARGO_TARGET_DIR,CARGO_INCREMENTAL=0, and the existing short agent/native fixture-root overrides. Detached launchers restored SIGINT to default, matching foreground execution. No test assertion, deadline or additional skip was changed.compute01 (x86_64): the complete fast gate PASSES, exit 0. All workspace tests pass, including SSH streaming and the real Vim canary. The tracer suite passes 363/363, 21695 assertions; the remaining compiler/build/transfer/protocol checks also pass. The independent TS run and clean-dev TS comparison both exit 0. Clean dev's targeted SSH streaming test passes too. Verbatim Rust output:
The actual static row runs and PASSES on compute01. Fresh stripped artifacts: x86_64 21,431,472 B and aarch64 19,605,896 B, both exact caps, delta +0 B, no PT_INTERP. The gate rejects cap+1 and requires a downward ratchet for both targets. AES-128-GCM NIST vectors pass; the x86 key-memory probe reports
initialization=1, locked pages and dump exclusion. CLI and production-trust checks pass. This proves enforcement remains intact, rather than merely exercising the dispatch stub.ARM: final fast exit 1, with only the documented SSH streaming failure. All other Rust rows pass; static builds explicitly SKIP (x86). Independent TS has the same two reconcile failures, 361 pass / 2 fail / 21687 assertions, reproduced on clean dev; clean dev's SSH streaming check also fails with the same
hashed=true staged_bytes=Ok(552579)assertion. Thus these failures are platform/order-sensitive baseline failures, not failures observed on both VMs. Verbatim final ARM Rust output:Two preceding ARM attempts exhausted shared disk and are discarded; their transcripts are attached for transparency. The final ARM run used
CARGO_PROFILE_DEV_DEBUG=0 CARGO_PROFILE_TEST_DEBUG=0to reduce temporary test artifacts, retaining assertions, optimization settings and release profiles. It ran from a fresh target with no disk errors. compute01 retained its normal debug-symbol settings. No product failure classification relies on either invalid disk-full run.Both clean-dev socket-path proofs reproduce the documented 108-byte refusal before launching the product, with the documented six-digit PID 657926 supplied explicitly because current VM PIDs have seven digits.
BASELINE_SOCKET_EXIT=0means the assertion of that expected rejection passed. Full gates use the existing short-root overrides to reach later coverage; no state-root flake hook was reintroduced. The final valid runs expose no additional failure beyond those documented on #264.No fixes, commits or pushes made. Local candidate and both VM worktrees remain clean at the reviewed head. Final process sweep found no review-owned process on either VM. Removed only J26's disposable target caches and temporary state. VM logs/helpers remain under
~/.cache/codex-scratch/j26-review-evidence/; both shipping images plus SHA-256 receipts are retained on compute01 under~/.cache/codex-scratch/j26-static-evidence/. Control-host raw evidence:/home/kayg/.cache/codex-scratch/j26-review/evidence/.Previously attached evidence: final ARM transcript, pure lock-pin evaluation, x86 failure propagation. The fresh x86 transcript, static-artifact hashes and invalid ARM disk receipts are attached to this comment. OpenSSL CLI also resolves from
/nix/storeinnix develop --ignore-environment --keep HOME, ruling out a hidden host OpenSSL prerequisite.Merge recommendation remains fix first for the nix-only provisioning requirement (P2); baseline test failures are not attributed to this branch. Owner action needed: reconcile nix-only provisioning with D213. History cleanup is P3. No issue closed.
J30 start: history-only P3 cleanup of nix-devshell, reviewed base
380179a602. Backup pushed first: wip/nix-devshell-pre-p3 at that SHA. Working in ~/Developer/Worktrees/infraternal-nix-devshell-p3, detached while preparing the rewrite because the older local branch is checked out in another job worktree. Will produce the five requested atomic commits, preserve authors/trailers, and verify exact tree identity before force-with-lease. Zig stays per D213. No rebuild requested for the identical tree.J30 P3 complete: force-with-lease pushed
nix-devshellto3ff261a732c3cffbd1bb1dfde363bf5e51aca9ee. Backupwip/nix-devshell-pre-p3retains380179a602d6af185674971b7ae090137fd70ed5.Five atomic commits: flake + lock; rustup lookup shim; added tools; Vim fixture path fix; aarch64 static skip + gate-architecture row. Each has what/why/rejected alternatives,
Refs: #264, andCo-Authored-By; original author identities and existing trailers retained. Zig handling is unchanged and the flake commit explicitly records D213; the P2 owner question remains.Fresh history verification output:
The final tree is byte-identical to the reviewed head. No new build/gate run, per task instruction. Existing J26 evidence in #issuecomment-71331 remains applicable: x86
FULL_VERIFY_EXIT=0, both static sizes +0 B (21,431,472 B x86_64; 19,605,896 B aarch64); ARMFULL_VERIFY_EXIT=1with reproduced pre-existing failures. No issue closed, merge or deployment performed.kayg referenced this issue2026-10-31 22:23:04 +00:00
Owner decision (kayg, 2026-11-01): "there is no nix-only issue, nix is preferred but get packages whichever way is reliable and accelerates us." D213 stays as is: Zig remains the checksum-pinned download in scripts/auth-toolchain. P2 from J26 closed as not-a-defect.