in src/main/java/com/googlesource/gerrit/plugins/events/fsstore/UpdatableFileValue.java [207:221]
protected void commit() throws IOException {
if (!committed) {
// Safe to perform this block (for performance reasons) even if we
// have not detected "closed yet", since it can only actually succeed
// when closed (operations depend on "closed" in paths).
preserve();
// rename update/<uuid>/next/closed/value(next) -> value
committed = myCommit = updatable.update(upaths.value); // Phase 5
// now there should be: update/<uuid>/next/closed/ and: value (file)
}
if (!committed && closed) {
committed = !Files.exists(upaths.value);
}
}