ADR 0004: one engine per install — the strategy, both handover briefs, and the engine decoupled from the lockstep - #174
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…omes a peer Records the version-pin strategy the operator settled on 2026-08-13 — exact engine peers on product CLI packages now, ranges as the post-GA destination, libraries carrying no engine relationship — and hands the composer share of it to an implementing agent: the package split, the peer, the checks following the packages, and the publish path running them. Verified facts dated; the stale-checkout warning is in the brief because it has bitten twice. 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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…ine-free libraries Records the version-pin strategy the operator settled on 2026-08-13, with the case enumeration behind it. Product CLI packages declare the engine as an exact peer the shell satisfies, which makes duplication an install-time error in any tree npm can assemble; product libraries carry no engine relationship, which is the case pin discipline could never fix; ranges are the recorded post-GA destination behind a written compatibility contract. One sub-decision stays marked open: whether the engine's version decouples from the shell's lockstep. Also names what the conformance checkers become under the strategy — peer satisfaction, a singleton install with no exception list, and an engine-free assertion on library packages — and links the ADR from the versioning doc. 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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The prisma/prisma share of ADR 0004. No package split needed there — the toolchain is already the ORM's dev/CLI package — so the brief is the dependency-field change, the generated-manifest route for it, and the conformance checks evolving from pin-equality to peer shape. 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>
…eleased Operator ruling 2026-08-13, closing the one open point in ADR 0004. The engine leaves the lockstep (joining @prisma/compute in the exclusion), takes its own line at 0.1.0 — the next honest step after the published 0.0.9, since everything since then is breaking — and the shell pins it as workspace:0.1.0. set-version now sweeps an excluded package's workspace pins on lockstep siblings without touching its version, and leaves pins ON excluded packages alone, so neither side goes stale on a bump; both behaviours are unit-tested. The publish workflow needed only its comments updated: publish_one already treats an already-published version as done, so an unbumped engine is a no-op and a bumped one ships in the same run. The conformance run went red on the version change because the pin exceptions are keyed on the observed triple — exactly what the keying is for — and they are re-keyed to the 0.1.0 triple under the same standing ruling. They die entirely when the families repin under the peer model. 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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In @.drive/projects/prisma-cli-v8/assets/briefs/composer-cli-split-handover.md:
- Line 20: Update the dependency tree to use the published shell package name
`@prisma/cli` instead of `@prisma/prisma-cli`, matching ADR 0004 and the package
identity defined by the cli package metadata.
- Line 67: Update the decision-status wording in
`.drive/projects/prisma-cli-v8/assets/briefs/composer-cli-split-handover.md`
lines 67-67 to state that engine versioning is settled under ADR 0004 but out of
scope for the Composer repository; update
`.drive/projects/prisma-cli-v8/assets/briefs/orm-toolchain-engine-peer-handover.md`
lines 35-35 to state the same while preserving its `prisma/prisma` repository
scope.
In `@docs/oss/versioning.md`:
- Around line 19-23: Update the non-goal on line 81 to list both independently
versioned packages, `@prisma/compute` and `@prisma/cli-engine`, matching the
exception list established in the versioning documentation.
In `@scripts/set-version.ts`:
- Around line 13-19: Update the exclusion documentation near LOCKSTEP_EXCLUDED
to accurately describe the behavior: excluded packages retain their existing
version fields, while lockstep workspace dependency pins referencing them may
still be rewritten.
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.drive/projects/prisma-cli-v8/assets/briefs/composer-cli-split-handover.md.drive/projects/prisma-cli-v8/assets/briefs/orm-toolchain-engine-peer-handover.md.github/workflows/publish.ymldocs/architecture/adrs/0004-engine-version-pinning.mddocs/architecture/adrs/README.mddocs/oss/versioning.mdpackages/cli-engine/package.jsonpackages/cli/package.jsonpackages/cli/scripts/conformance.tsscripts/set-version-utils.test.tsscripts/set-version-utils.tsscripts/set-version.ts
…s own 0.1.0 line The release published an engine 8.0.0-rc.2 before the decoupling landed. Those lockstep engine versions become burned values — on the registry, pinned by nothing, never reused — and the versioning doc says so. The engine's independent line continues at 0.1.0; exact pins make registry version ordering cosmetic. 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>
…light The shell's published name is @prisma/cli, not the sketch's @prisma/prisma-cli; both briefs now state the engine-versioning ruling as ruled rather than open; the versioning doc's non-goal lists both lockstep exclusions; and set-version's comment describes what exclusion actually does — version untouched, workspace pins still swept. 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>
…lease stays human Operator ruling 2026-08-13, superseding two earlier ones: the per-bump-PR deliberate-merge requirement dies, and the dev channel returns. A routine push to main now publishes <base>-dev.<run> under the dev dist-tag — the suffix derives from the run number and is stamped ephemerally in CI, never committed, so releases remain exactly what a commit says. What still needs a human: an rc.N bump under next, and moving latest. The other half is the repin automation. auto-repin.yml runs on a repository_dispatch the product repos send when they publish, on a daily schedule as the backstop for missed dispatches, and by hand. It compares the shell's pins on the product CLI packages against each package's own release tag on the registry (composer under latest, the ORM toolchain under next), and turns drift into an auto-merge PR — so the conformance checks on that PR are what stand between a family publish and the dev build that carries it. The watched list names candidates rather than requirements, so the composer to composer-cli hand-over needs no workflow edit. The PR is opened with a bot PAT (REPIN_PAT secret, to be configured): pull requests created with the workflow token never trigger CI, and without CI the required checks never report and auto-merge hangs. 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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The version-pin strategy settled with the operator on 2026-08-13, recorded and partly implemented.
docs/architecture/adrs/0004-engine-version-pinning.md— the strategy: the case enumeration (including the one case pin discipline can never fix — an app depending on a product library and the CLI), the per-edge specifier decisions, exact engine peers on product CLI packages now with ranges as the post-GA destination, engine-free libraries, and what the conformance checkers become. Both sub-decisions are now ruled, including: the engine versions independently of the shell's lockstep, so an engine version means "the engine changed" and the exact peers stay cheap between real engine changes.The decoupling, implemented:
@prisma/cli-enginejoins@prisma/computein the lockstep exclusion and takes its own line at0.1.0(the next honest step after the published0.0.9); the shell pinsworkspace:0.1.0.set-versionlearns two behaviours, both unit-tested: an excluded package keeps its version but still gets its workspace pins on lockstep siblings swept, and pins ON excluded packages are left alone. The publish workflow already treats an already-published version as done, so an unbumped engine no-ops and a bumped one ships in the same run — only its comments changed. The conformance run's pin exceptions reopened on the version change (they are keyed on the observed triple, which is the point) and are re-keyed under the same standing ruling.Two handover briefs in
.drive/projects/prisma-cli-v8/assets/briefs/: the composer library/CLI package split (with its agent), and the orm-toolchain peer change (implemented as prisma/prisma#30009).🤖 Generated with Claude Code