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Fix action cache cold start crash on empty output base #43

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Merged
azad-uber-2 merged 1 commit into from
Jul 16, 2026
Merged

Fix action cache cold start crash on empty output base #43

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3 changes: 3 additions & 0 deletions src/main/java/com/google/devtools/build/lib/actions/cache/CompactPersistentActionCache.java
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Expand Up @@ -270,6 +270,9 @@ private static CompactPersistentActionCache create(
* <p>Backported from https://github.com/bazelbuild/bazel/pull/27525 (Bazel 9.0.0).
*/
private static void deleteUnrecognizedFiles(Path cacheRoot) throws IOException {
if (!cacheRoot.exists()) {
return;
}
Path indexFile = cacheRoot.getChild("filename_index_v" + VERSION + ".blaze");
Path indexJournalFile = cacheRoot.getChild("filename_index_v" + VERSION + ".journal");
ImmutableSet<Path> knownFiles =
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