Cache compiled native libs in preview-apk CI workflow#130
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Cache compiled native libs in preview-apk CI workflow#130
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[WIP] Add caching for compile core step in preview-apk.yml
Cache compiled native libs in preview-apk CI workflow
Mar 11, 2026
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The "Compile core" step re-runs Rust + NDK compilation on every PR build even when
jni/deltachat-core-rusthasn't changed, wasting time unnecessarily.Changes
git rev-parse HEAD:jni/deltachat-core-rustand exposes it as a step outputactions/cache@v4cachesjni/arm64-v8a/andlibs/arm64-v8a/(the.aand.sofiles Gradle consumes) with a key derived from:Android.mk,Application.mk,dc_wrapper.c,ndk-make.shndk-r27)if: steps.cache-core.outputs.cache-hit != 'true'skips the entire compile step when cached artifacts are validOn a cache hit the step is bypassed entirely (not just fast); on a miss the outputs are compiled and stored for subsequent runs.
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