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Backport #1097/#1098: cache Maven and Gradle wrapper distributions separately (#1122)
released this
2026-07-15 05:14:30 +08:00 Backports the wrapper caching fix to the v5 release line.
The Maven wrapper distribution (
/.m2/wrapper/dists) and Gradle wrapper/.gradle/wrapper) were cached in the same entry as the
distribution (
dependency cache, keyed on the volatile dependency-file hashes (**/pom.xml,
**/.gradle). With no restoreKeys fallback (#269), almost every dependency
change was a full cache miss, forcing ./mvnw and ./gradlew to re-download the
build tool distribution and hitting intermittent rate-limit failures.Each wrapper distribution now lives in its own additional cache entry keyed
only on the rarely-changing wrapper properties file
(**/.mvn/wrapper/maven-wrapper.properties, **/gradle-wrapper.properties), so
it survives dependency changes. Optional-cache saves swallow ValidationError
and ReserveCacheError so a project without a wrapper never fails the post step.Fixes: #1095
Copilot-Session: ea015caa-980a-4e0a-af20-3fc9f39c77fd
Co-authored-by: Copilot App [email protected]
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