Improve archive generation

Author: CodeDoctorDE

packages/generate_leap/lib/src/archive.dart

@@ -22,10 +22,13 @@ Future<Archive> createReproducableArchive(
       final name = file.path.substring(dir.path.length + 1);
       if (file is File) {
         final fileData = await file.readAsBytes();
-        archive.addFile(
-            ArchiveFile.bytes(name, fileData)..lastModTime = lastModTime);
+        archive.addFile(ArchiveFile.bytes(name, fileData)
+          ..lastModTime = lastModTime
+          ..creationTime = lastModTime);
       } else if (file is Directory) {
-        archive.addFile(ArchiveFile.directory(name)..lastModTime = lastModTime);
+        archive.addFile(ArchiveFile.directory(name)
+          ..lastModTime = lastModTime
+          ..creationTime = lastModTime);
         await addDirectory(file);
       }
     }
@@ -45,4 +48,8 @@ Future<void> zipReproducable(
       .encode(await createReproducableArchive(dir, lastModTime: lastModTime));
   final file = File(path);
   await file.writeAsBytes(zip);
+  await file
+      .setLastAccessed(DateTime.fromMicrosecondsSinceEpoch(0, isUtc: true));
+  await file
+      .setLastModified(DateTime.fromMicrosecondsSinceEpoch(0, isUtc: true));
 }