[build-tools] Auto-upload embedded bundle after build when opt-in flag is set#3767
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #3767 +/- ##
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+ Coverage 57.39% 57.46% +0.07%
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Files 909 911 +2
Lines 39386 39480 +94
Branches 8247 8271 +24
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+ Hits 22603 22684 +81
- Misses 15316 15328 +12
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quinlanj
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lgtm, lets run it by staszek first in case there's anything we've missed!
sjchmiela
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May 29, 2026
…_EXPERIMENTAL_UPLOAD_EMBEDDED_BUNDLE is set
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Why
After a native build completes, the JS bundle embedded in the artifact isn't registered with EAS Update, so the diff worker has no base to patch against — the first OTA after install always downloads the full bundle. This phase registers it automatically so patch-based updates work from day one.
Ref ENG-21033
How
uploadEmbeddedBundleAsyncinpackages/build-tools/src/utils/expoUpdatesEmbedded.tsUPLOAD_APPLICATION_ARCHIVE, both iOS and Android builders checkEAS_UPDATE_EXPERIMENTAL_UPLOAD_EMBEDDED_BUNDLEandisEASUpdateConfiguredbefore entering the newUPLOAD_EMBEDDED_BUNDLEphaseStreamZip, extractsmain.jsbundle+app.manifest(iOS) orindex.android.bundle+assets/app.manifest(Android) to a temp dir, then callseas update:embedded:uploadTest Plan
yarn tsc --noEmit && yarn lint && yarn fmt:checkpass onpackages/eas-cliandpackages/build-tools