build(switch): prepare stubs before batch builds - #2852
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Fresh Switch integration builds with no-op stubs fail with
`BuildFailedException`:
Sentry's Switch no-op stubs in 'Assets/Plugins/Sentry' were out of
step with the installed libraries and have been updated. Please
trigger the build again.
Fresh integration projects reached `BuildPlayer` without the Switch
no-op stub. Stub setup was deferred through
`EditorApplication.delayCall` and only created files for the active
build target, but the batch build did not select Switch at startup.
The build preprocessor copied the missing stub and then deliberately
failed: Unity collects native plugins before preprocessing, so adding
one there cannot reliably affect the current build. Starting another
CI run with a clean project repeats the same failure.
Select Switch with `-buildTarget` when launching the integration build.
Synchronize stubs directly in `OnPostprocessAllAssets` after domain
reloads or native library changes, when asset operations are safe.
This prepares the stub before building and removes it when the real
native libraries are imported.
![sentry[bot]](https://avatars.githubusercontent.com/in/12637?s=60&v=4){kind=small}
bitsandfoxes
approved these changes
Sep 18, 2026
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Fresh Switch integration builds with no-op stubs fail: https://github.com/getsentry/sentry-switch/actions/runs/34956285369/job/104345147727
Fresh integration projects reached
BuildPlayerwithout the Switch no-op stub. Stub setup was deferred throughEditorApplication.delayCalland only created files for the active build target, but the batch build did not select Switch at startup.The build preprocessor copied the missing stub and then deliberately failed: Unity collects native plugins before preprocessing, so adding one there cannot reliably affect the current build. Starting another CI run with a clean project repeats the same failure.
Select Switch with
-buildTargetwhen launching the integration build. Synchronize stubs directly inOnPostprocessAllAssetsafter domain reloads or native library changes, when asset operations are safe. This prepares the stub before building and removes it when the real native libraries are imported.Extracted from #2851 which was abused to confirm the fix -> https://github.com/getsentry/sentry-switch/actions/runs/34956285369/job/104453539781 succeeds