File use-system-xdelta3.patch of Package heroic-gogdl

diff '--color=auto' -rub heroic-gogdl-1.2.0.orig/gogdl/dl/workers/task_executor.py heroic-gogdl-1.2.0/gogdl/dl/workers/task_executor.py
--- heroic-gogdl-1.2.0.orig/gogdl/dl/workers/task_executor.py	2026-01-21 07:20:18.000000000 -0300
+++ heroic-gogdl-1.2.0/gogdl/dl/workers/task_executor.py	2026-01-29 21:23:51.634296751 -0300
@@ -1,6 +1,7 @@
 from multiprocessing.shared_memory import SharedMemory
 import os
 from queue import Empty
+import subprocess
 import shutil
 import sys
 import stat
@@ -17,7 +18,6 @@
 from enum import Enum, auto
 from multiprocessing import Process, Queue
 from gogdl.dl.objects.generic import MemorySegment, TaskFlag, TerminateWorker
-import gogdl.xdelta3
 
 
 class FailReason(Enum):
@@ -357,7 +357,17 @@
                     patch = os.path.join(task.destination, task.patch_file)
                     patch = dl_utils.get_case_insensitive_name(patch)
                     target = task_path
-                    gogdl.xdelta3.patch(source, patch, target, self.speed_queue)
+                    xdelta = shutil.which("xdelta3")
+                    if not xdelta:
+                        raise RuntimeError("xdelta3 binary not found")
+
+                    cmd = [
+                        xdelta,
+                        "-d",        # decode
+                        "-s", source,
+                        patch,
+                        target
+                    ]
 
                 except Exception as e:
                     print("Patch failed", e)