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Record that the engine's spawn signal test now fails in CI, not just under local load - #160

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wmadden merged 1 commit into
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record-engine-test-flake
Aug 12, 2026
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Record that the engine's spawn signal test now fails in CI, not just under local load#160
wmadden merged 1 commit into
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record-engine-test-flake

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packages/cli-engine/tests/spawn-real-child.test.ts's "native Ctrl-C reaches the child through the shared process group" failed on a GitHub runner during #158 — a PR that changes no engine file — and passed on a re-run of the same commit and locally in isolation.

deferred.md already had this test recorded with two sightings, both on a laptop running the engine and CLI suites at once, which read as a local-load annoyance. A CI sighting is a different thing: it reddens the shared Test check on unrelated work, and a check that goes red for reasons unrelated to the change teaches people to re-run it rather than read it.

This updates the existing entry rather than adding a second one. No code change — the fix the entry already proposes (wait for the child to report it is ready for the signal, rather than for a marker it writes too early) belongs to whoever next touches the engine.

The paragraph is unwrapped in passing, per the repo's markdown convention.

The deferred entry had two sightings, both on a laptop running two
suites at once, and read as a local-load annoyance. It failed on a
GitHub runner during #158, a PR that changes no engine file, and passed
on a re-run of the same commit.

That makes it a test that reddens the shared Test check on unrelated
work, which teaches people to re-run a red check rather than read it.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Signed-off-by: willbot <w.a.madden+machine@gmail.com>
Signed-off-by: Will Madden <madden@prisma.io>
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npx https://pkg.pr.new/@prisma/cli@160
npx https://pkg.pr.new/@prisma/cli-engine@160

commit: dbf7705

@wmadden
wmadden merged commit b363caf into main Aug 12, 2026
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@wmadden
wmadden deleted the record-engine-test-flake branch August 12, 2026 11:52
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