Enable rollback on install failures during update#40524

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yeelam-gordon merged 7 commits into

fix/system-vhd-rollback-and-checks

Jul 11, 2026

Commits on Jul 5, 2026

Fix system.vhd loss during failed MSI upgrade (#40488)

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Add rollback regression test for MSI upgrade failures

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test: rewrite MsiUpgradeRollbackRestoresFiles to properly test rollback

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test: add scope_exit cleanup and logging for MsiUpgradeRollbackRestoresFiles

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test: replace runtime rollback test with static MSI database verification

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test: fix MsiViewFetch error handling and rename test for clarity

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Commits on Jul 11, 2026

test: add e2e MSI rollback test with forced failure CA

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