File aggregated-timestamp.patch of Package maven-assembly-plugin

--- maven-assembly-plugin-3.6.0/src/main/java/org/apache/maven/plugins/assembly/filter/SimpleAggregatingDescriptorHandler.java	2023-05-11 20:35:38.000000000 +0200
+++ maven-assembly-plugin-3.6.0/src/main/java/org/apache/maven/plugins/assembly/filter/SimpleAggregatingDescriptorHandler.java	2023-09-14 15:46:56.659107385 +0200
@@ -95,7 +95,11 @@
             f.deleteOnExit();
 
             try (Writer writer = getWriter(f)) {
-                writer.write(commentChars + " Aggregated on " + new Date() + " from: ");
+                Date now = new Date();
+                if (System.getenv("SOURCE_DATE_EPOCH") != null) {
+                    now = new Date(1000 * Long.parseLong(System.getenv("SOURCE_DATE_EPOCH")));
+                }
+                writer.write(commentChars + " Aggregated on " + now + " from: ");
 
                 for (final String filename : filenames) {
                     writer.write("\n" + commentChars + " " + filename);