diff --git a/libraries/entropy/db/__init__.py b/libraries/entropy/db/__init__.py
index db78406a4..5ac23fa31 100644
--- a/libraries/entropy/db/__init__.py
+++ b/libraries/entropy/db/__init__.py
@@ -4703,6 +4703,28 @@ class EntropyRepository(EntropyRepositoryBase):
 
         return results
 
+    def listAllExtraDownloads(self, do_sort = True):
+        """
+        Reimplemented from EntropyRepositoryBase.
+        """
+        order_string = ''
+        if do_sort:
+            order_string = ' ORDER BY download'
+        try:
+            cur = self._cursor().execute("""
+            SELECT download FROM packagedownloads
+            """ + order_string)
+        except OperationalError:
+            if self._doesTableExist("packagedownloads"):
+                raise
+            return tuple()
+
+        if do_sort:
+            results = self._cur2tuple(cur)
+        else:
+            results = self._cur2frozenset(cur)
+        return results
+
     def listAllFiles(self, clean = False, count = False):
         """
         Reimplemented from EntropyRepositoryBase.
diff --git a/libraries/entropy/db/skel.py b/libraries/entropy/db/skel.py
index 5329af1fd..80cc050bc 100644
--- a/libraries/entropy/db/skel.py
+++ b/libraries/entropy/db/skel.py
@@ -3505,6 +3505,19 @@ class EntropyRepositoryBase(TextInterface, EntropyRepositoryPluginStore):
         """
         raise NotImplementedError()
 
+    def listAllExtraDownloads(self, do_sort = True):
+        """
+        List all package extra download URLs stored in repository.
+
+        @keyword do_sort: sort by name
+        @type do_sort: bool
+        @keyword full_path: return full URL (not just package file name)
+        @type full_path: bool
+        @return: tuple (or set if do_sort is True) of package download URLs
+        @rtype: tuple or frozenset
+        """
+        raise NotImplementedError()
+
     def listAllFiles(self, clean = False, count = False):
         """
         List all file paths owned by packaged stored in repository.