Eliminate auto-removal of empty layers #2651
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Signed-off-by: Vlad A. Ionescu <[email protected]>
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Should also fix #2551 Did you understand why it goes out of sync if the empty layer removal appears both on image and cache creation? |
Not really... I played around with some builds, but I couldn't really get to the bottom of it. |
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Could you add a test that fails with previous behavior because of the wrong indexing? Or at least show a small reproducer for the issue. |
tonistiigi
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Feb 25, 2022
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This fixes an issue related to inline caching resulting in cache import errors like this one:
invalid layer index 29. The cause of this is the image writer optimizing the final image by removing empty layers. Because this takes place after the inline cache manifest has been constructed, the indexes of the layers from the inline cache manifest end up being incorrect. Sometimes they end up being out of bounds.Originally reported as an issue in Earthly here: earthly/earthly#1635.
CC @tonistiigi
Signed-off-by: Vlad A. Ionescu [email protected]