ci: isolate Computer Use helper notarization tickets - #12262
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Included review availability: Your plan provides up to 10 included reviews per hour; 5 remain after this review. 📝 WalkthroughWalkthroughThe PR adds architecture-aware CDHash discovery and ticket validation. The notarization script isolates submissions, persists complete slice sets, validates logs and stapled tickets, and rechecks the helper after resealing. Python tests simulate Apple tools and cover success and failure paths. ChangesNotarization integrity
Estimated code review effort: 4 (Complex) | ~45 minutes Sequence Diagram(s)sequenceDiagram
participant Script as notarize-computer-use-helper.sh
participant Notarytool
participant Checks as notarization-ticket.sh
participant Stapler
Script->>Checks: discover all slice CDHashes
Script->>Notarytool: submit isolated helper
Notarytool-->>Script: accepted notarization log
Script->>Checks: verify log coverage
Script->>Stapler: staple ticket
Script->>Checks: verify stapled ticket coverage
Script->>Checks: reverify after host reseal
Merge Risk: ⚪ Minimal · up to The CI notarization flow now isolates helper submissions and verifies every architecture slice before stapling and resealing. Covered success and failure paths show no concrete merge-blocking risk. 🚥 Pre-merge checks | ✅ 24 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (24 passed)
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🧪 Generate unit tests (beta)
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austinywang
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September 10, 2026 09:50
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Inline comments:
In `@tests/test_notarize_computer_use_helper.py`:
- Line 97: Update the test fixture around APPLE_APP_SPECIFIC_PASSWORD and its
subprocess invocation to add targeted suppressions for the credential and
subprocess lint findings, and pass check=False to the subprocess call because
the test validates returncode.</codeен
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scripts/ci/lib/notarization-ticket.shscripts/ci/notarize-computer-use-helper.shtests/test_notarize_computer_use_helper.pytests/test_notarize_computer_use_helper.sh
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rustybret
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Sep 10, 2026
803dc26 Fix Codex hook injection paths with spaces (manaflow-ai#11968) 1769fd2 Fix Cloud discovery stalls and private address fallback (manaflow-ai#12266) dc5df2b Fix misplaced XCStrings localization entries (manaflow-ai#12171) 02d7597 ci: persist nightly Xcode compilation caches (manaflow-ai#12039) 1216d7c Fix native pane layout sync with bound cloud workspaces (manaflow-ai#12264) 40c1b73 Improve Computer Use onboarding and permission companion lifecycle (manaflow-ai#12265) 8229d75 ci: isolate Computer Use helper notarization tickets (manaflow-ai#12262) 2b75bd1 Fix bash PROMPT_COMMAND export leak (manaflow-ai#11257) (manaflow-ai#11290) e61ac8b Clear Dock notifications on keyboard focus (manaflow-ai#9427) dfccbd1 Fix cloud VM verification fixtures and agent login context (manaflow-ai#12258) 8ba29ea Cloud: one machine, one devbox snapshot ladder with displays; restore the original New Machine modal; refresh the agents to Claude Code 2.1.267 and Codex 0.154.0 (manaflow-ai#12250) 6810da8 cloud: cmux Cloud terminals run as cmux, not root (manaflow-ai#12101)
aerickson
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* test: reproduce helper notarization hash collisions and incomplete tickets * fix: isolate helper submissions and verify every notarized slice * test: clarify notarization fixture lint exceptions
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Nightly #12261 failed after Gatekeeper rejected the universal Computer Use helper for all 80 attempts. Universal and thin copies retain the same slice CDHash, so independent submissions can retrieve a ticket covering a different architecture set. On a fleet Mac, a real arm64-only ticket attached to the universal helper passed
stapler validatedespite lacking its Intel CDHash.Each helper submission now gets a UUID in its signed Info.plist before the final Developer ID signature. The helper keeps its bundle identifier and designated requirement. The start/finish state tracks every architecture, and both the accepted notary log and stapled ticket must cover every slice. The standalone copy still must pass Gatekeeper, and the outer app alone is resealed afterward. Stable and nightly releases use this shared path.
Validation:
80a25391911reproduces failures on the old script; fix commit0621c8e12e8passes all 12 behavioral tests, including subcases for all supported architecture sets and failed tool calls.0621c8e12e8on the Mac fleet: helper-ticket-isolation.Broader CI blocker:
web-typecheckfails with the same nine TypeScript diagnostics before and after the fix (billing/cron test mock typings andImportMeta.dirin the VM image test). Its dependent preflight/test jobs are blocked; the signing workflow-guard job is green. This PR does not change web code.Localization audit: changes are confined to CI signing scripts and test diagnostics; no application UI, cmux CLI commands, or translated message catalogs change.
Related: #12261 (automatically closed after the next main nightly succeeded; this addresses the recurring packaging failure).
Note
Medium Risk
Changes macOS release signing and notarization gates for a nested helper; mistakes could block releases or ship incomplete tickets, but scope is CI scripts with expanded automated checks.
Overview
Fixes Computer Use helper notarization so universal and thin builds cannot reuse each other's tickets when slice CDHashes match.
A new
notarization-ticket.shlibrary adds per-architecture CDHash discovery, injects aCMUXNotarizationSubmissionUUID into the helper's signedInfo.plistbefore the final Developer ID sign (so each submission gets distinct hashes without changing bundle ID), and verifies both the notarytool log and stapled ticket include every architecture slice—not only whatstapler validatechecks on the host.notarize-computer-use-helper.shnow sources that library, persistscdhashes(comma-separated slice set) in start/finish state, re-verifies signatures before finish, and runs the slice coverage checks after log retrieval, stapling, standalone copy, and outer reseal.Helper notarization tests move from a large bash harness to
test_notarize_computer_use_helper.py(12 behavioral cases with stubbedcodesign/lipo/xcrun/spctl), with the shell test wrapper delegating to Python.Reviewed by Cursor Bugbot for commit 197ddaa. Bugbot is set up for automated code reviews on this repo. Configure here.
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