Override 2 more dates

Author: bmwiedemann

fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java

@@ -544,7 +544,10 @@ private Metadata createDefaultDocumentMetadata() {
         } else {
             xmpBasic.setCreatorTool(Version.getVersion());
         }
-        xmpBasic.setMetadataDate(new java.util.Date());
+        java.util.Date d = System.getenv("SOURCE_DATE_EPOCH") == null ?
+                new java.util.Date() :
+                new java.util.Date(1000 * Long.parseLong(System.getenv("SOURCE_DATE_EPOCH")));
+        xmpBasic.setMetadataDate(d);
         if (getUserAgent().getCreationDate() != null) {
             xmpBasic.setCreateDate(getUserAgent().getCreationDate());
         } else {

fop-core/src/main/java/org/apache/fop/render/pdf/PDFRenderingUtil.java

@@ -262,7 +262,10 @@ public void renderXMPMetadata(XMPMetadata metadata) {
         fopXMP.mergeInto(docXMP, exclude);
         XMPBasicAdapter xmpBasic = XMPBasicSchema.getAdapter(docXMP);
         //Metadata was changed so update metadata date
-        xmpBasic.setMetadataDate(new java.util.Date());
+        java.util.Date d = System.getenv("SOURCE_DATE_EPOCH") == null ?
+                new java.util.Date() :
+                new java.util.Date(1000 * Long.parseLong(System.getenv("SOURCE_DATE_EPOCH")));
+        xmpBasic.setMetadataDate(d);
         PDFMetadata.updateInfoFromMetadata(docXMP, pdfDoc.getInfo());
 
         PDFMetadata pdfMetadata = pdfDoc.getFactory().makeMetadata(