#603: stop naming an inert remedy, and give the branch its first controls - #604
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…rols
The cannot-invoke-bare branch told the reader:
it is a limit of the invocation, and it needs a `# NO-SELF-TEST:` line
or an invocation this gate can derive.
⛔ Adding that line changes nothing on this path. The branch returns at :272;
DECLARES_NONE is first consulted at :340, sixty-eight lines later. Two-poled on
tools/check-freshness.py — declaration present, then renamed — the gate emits
IDENTICAL BYTES.
⇒ #73's own doctrine, failing inside the gate: an absence report must name a
remedy that WORKS. Naming an inert one is worse than naming none, because the
reader does the work and gets no signal that it did nothing. I spent a cycle
adding declarations to two files and measuring no change, which is how this
was found.
⛔ AND THE BRANCH HAD ZERO CONTROLS. 17 checks in this file's own --self-test
and not one reached it. That is why it could go on naming an inert remedy: the
message was never exercised, so nothing could disagree with it.
⇒ THIS COMMIT DOES TWO THINGS AND CHANGES NO VERDICT:
1 The message now states what is true — that a `# NO-SELF-TEST:` line does
NOT change this verdict, WHY (this branch returns before that line is read),
that it was measured two-poled, and what would change it. It also says the
control may exist and be gated elsewhere while this gate cannot see it,
because that is exactly the case for check-freshness and job-log.
2 Two controls, both poles:
required args, no declaration -> UNESTABLISHED, "limit of the invocation"
required args, WITH declaration -> UNESTABLISHED, "DOES NOT CHANGE THIS VERDICT"
The second is the known-negative: it asserts the declaration does not
silently rescue the subject AND that the run SAYS SO. Without it the fix is
a comment nobody re-checks.
⚠ WHAT THIS DELIBERATELY DOES NOT DO. It does not make the declaration work
here. The branch's own comment gives a real reason to be strict — "folding that
into 'has no self-test' would be a claim about the world made from a limit of
the invocation" — and whether a declaration should satisfy it is the gate
owner's call, not mine. #603 carries that choice and the message now points at
it. This is the half that needs no semantic decision.
MEASURED, before and after, unchanged:
ran 60 subject(s): 41 control(s) passed · 0 FAILED · 3 UNESTABLISHED
· 7 UNVERIFIABLE · 0 TIMED OUT gate exit 2
--self-test 19 checks (was 17), exit 0 · exit-code-gate 0 · check-tools-index 0
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DTMf4EvaTEnDKXY47efRZZ
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📝 WalkthroughWalkthroughThe change updates the cannot-invoke-bare diagnostic and adds controls for subjects that require arguments. The controls verify that ChangesSelf-test gate behavior
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: 🔵 Low · up to The updated diagnostic can incorrectly describe when declarations are evaluated, which may mislead users interpreting gate results. Correct the wording before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Inline comments:
In `@scripts/gate-selftests.sh`:
- Around line 277-278: Update the diagnostic text near the DECLARES_NONE
explanation to remove the claim that it is consulted only on the flag-REJECTED
path. Keep the statement that it is read later, after the relevant branch
returns, and ensure the wording also covers the exit-2 --self-test path where
the flag is accepted.
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… was wrong CodeRabbit on #604. The message I added said DECLARES_NONE is consulted "further down, on the flag-REJECTED path only" ⛔ False. It is consulted at :348 (flag-REJECTED) AND :368 (the exit-2 branch), and the cannot-invoke-bare branch preempts BOTH. Verified before adopting: grep -n DECLARES_NONE scripts/gate-selftests.sh 73:DECLARES_NONE="^# NO-SELF-TEST:" 348: if grep -q "$DECLARES_NONE" "$f"; then <- flag-REJECTED 368: 2) if grep -q "$DECLARES_NONE" "$f"; then <- exit-2 ⚠ The claim I got wrong was the PRECISE-SOUNDING half. "It returns before that line is read" was true and sufficient; I added "on the flag-REJECTED path only" as a helpful specific and never checked it. A parenthetical that narrows a true statement is a new claim, and it inherits none of the original's evidence. ⇒ Same family as everything else this branch is about: I have spent the day filing reports about labels read as states, and the defect I shipped into the fix was an unverified detail attached to a verified one. The corrected text names both paths and says this branch preempts both. Re-verified after the edit, all unchanged: --self-test 19 checks exit 0 · gate 60 subjects, 41/0/3/7/0, exit 2 exit-code-gate 0 · bash -n clean Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DTMf4EvaTEnDKXY47efRZZ
@coderabbitai — correct, and it is the precise half I got wrong. Fixed in
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1 participant
Closes #603's decision-free half.
The branch told the reader to do something that does nothing
Adding that line changes nothing here. The branch returns at
:272;DECLARES_NONEis firstconsulted at
:340. Two-poled ontools/check-freshness.py— declaration present, then renamed —the gate emits identical bytes.
⇒ #73's own doctrine failing inside the gate: an absence report must name a remedy that works.
Naming an inert one is worse than naming none, because the reader does the work and gets no
signal that it did nothing. I spent a cycle adding declarations to two files and measuring no
change, which is how this was found.
⛔ And the branch had ZERO controls
17 checks in this file's own
--self-test, and not one reached it. That is why it could go onnaming an inert remedy: the message was never exercised, so nothing could disagree with it.
What this changes — and it changes no verdict
1. The message now states what is true. That a
# NO-SELF-TEST:line does not change thisverdict, why (the branch returns before that line is read), that it was measured two-poled, and
what would change it. It also says the control may exist and be gated elsewhere while this gate
cannot see it — which is exactly the case for
check-freshnessandjob-log.2. Two controls, both poles:
The second is the known-negative: it asserts the declaration does not silently rescue the
subject and that the run says so. Without it, the fix is a comment nobody re-checks.
⚠ What this deliberately does NOT do
It does not make the declaration work here. The branch's own comment gives a real reason to be
strict —
— and whether a declaration should satisfy it is the gate owner's call, not mine. #603 carries that
choice and the message now points at it. This PR is the half that needs no semantic decision.
Verification — before and after, unchanged
gate-selftests.sh --self-testscripts/exit-code-gate.sh tools 'test_*.py'scripts/check-tools-index.pybash -n scripts/gate-selftests.sh⚠ This edits the gating script, so the two suite-level checks above were run explicitly rather
than inferred from the gate's own exit.
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https://claude.ai/code/session_01DTMf4EvaTEnDKXY47efRZZ
Summary by CodeRabbit
Bug Fixes
NO-SELF-TESTdeclaration no longer changes the result when the check cannot be invoked.Tests