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feat: add buildpack layer patching#1598

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jabrown85 wants to merge 6 commits intomainfrom
jab/buildpack-layer-patching
Open

feat: add buildpack layer patching#1598
jabrown85 wants to merge 6 commits intomainfrom
jab/buildpack-layer-patching

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Summary

This experimental feature allows selective patching of buildpack layers during the rebase operation.

Release notes

Guarded by CNB_EXPERIMENTAL_MODE, users can send in a patch file during rebase via layer-patches parameter. The patch file will be used to replace any matching buildpack produced layer with the referenced image layer in the patch file.


Related

Implementation of buildpacks/rfcs#333


Context

This is experimental. Feedback is requested.

This experimental feature allows selective patching of buildpack layers during the rebase operation.

Signed-off-by: Jesse Brown <jabrown85@gmail.com>
@jabrown85 jabrown85 self-assigned this Feb 5, 2026
@jabrown85 jabrown85 requested a review from a team as a code owner February 5, 2026 14:45
Signed-off-by: Jesse Brown <jabrown85@gmail.com>
Signed-off-by: Jesse Brown <jabrown85@gmail.com>
Signed-off-by: Jesse Brown <jabrown85@gmail.com>
Signed-off-by: Jesse Brown <jabrown85@gmail.com>
Signed-off-by: Jesse Brown <jabrown85@gmail.com>
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