snazy commented on code in PR #2432:
URL: https://github.com/apache/polaris/pull/2432#discussion_r2294266665
##########
build-logic/src/main/kotlin/Utilities.kt:
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@@ -61,3 +66,41 @@ fun JavaForkOptions.addSparkJvmOptions() {
"-Djdk.reflect.useDirectMethodHandle=false",
)
}
+
+/**
+ * Rewrites the given ZIP file.
+ *
+ * The timestamps of all entries are set to `1980-02-01 00:00`, zip entries
appear in a
+ * deterministic order.
+ */
+fun makeZipReproducible(source: File) {
+ val t = FileTime.fromMillis(318211200_000) // 1980-02-01 00:00 GMT
Review Comment:
Gradle uses the same timestamp. IIRC it's got something to do with ZIP file
format specialties...
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