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base repository: AppsDevTeam/flutter-tools
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base: main@{1day}
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head repository: AppsDevTeam/flutter-tools
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compare: main
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  • 1 commit
  • 4 files changed
  • 1 contributor

Commits on Aug 13, 2026

  1. Verify the Android artifact carries the Dart snapshot this build prod… 

    …uced

A release APK went out containing a libapp.so from the previous day, and with no
libapp.so at all for arm64-v8a and x86_64. Gradle reported success, so nothing caught
it. A missing snapshot means the app dies right after the splash screen — the Dart VM
never comes up and the engine null-dereferences in Shell::Create.

The cause is packagingOptions.pickFirst "**/*.so" in the project combined with an
incremental local build: files covered by pickFirst are not refreshed on re-merge, and
Flutter's libapp.so falls under that pattern. The project-side fix is to narrow the
pattern, but the build tool should not be able to ship such an artifact either way.

- android_snapshot_check.py reads GNU build-ids straight out of ELF via PT_NOTE, so it
  needs no NDK and handles ELF32 and ELF64 alike. Build-ids survive stripDebugSymbols,
  which makes them comparable between the intermediates and the packaged library.
- Non-debug apk/appbundle builds drop merged_native_libs and stripped_native_libs for
  their variant beforehand. Other variants keep their caches.
- After the build every lib/<abi>/libapp.so in the artifact is matched against what
  Flutter produced into intermediates/flutter/<variant>/jniLibs. Handles the AAB
  base/lib/ prefix, skips debug builds, warns instead of failing when there is nothing
  to compare.
- A mismatch or a missing ABI raises, so the existing failure path reverts the version
  bump and no symbols get uploaded for a rejected artifact.

find_and_rename_output now returns the artifact path as well, since the verification
needs the file and not just its directory.
    Martin Filípek
    Martin Filípek committed Aug 13, 2026
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