Only save caches on master branch pushes#1366
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d-e-s-o merged 1 commit intolibbpf:masterfrom Mar 24, 2026
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With a large build matrix and various specialized jobs, cache entries are created for every PR branch, quickly exhausting the 10 GB GitHub Actions cache limit and causing evictions. That is a problem, because it can force kernel bzImage and vmsh rebuilds, which can take a long time. Restrict cache saving to the master branch, while still allowing all branches to restore from existing caches. In so doing we should curb evictions hopefully completely. Signed-off-by: Daniel Müller <deso@posteo.net>
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With a large build matrix and various specialized jobs, cache entries are created for every PR branch, quickly exhausting the 10 GB GitHub Actions cache limit and causing evictions. That is a problem, because it can force kernel bzImage and vmsh rebuilds, which can take a long time.
Restrict cache saving to the master branch, while still allowing all branches to restore from existing caches. In so doing we should curb evictions hopefully completely.