Support the include-tags capability in GitClient.

dulwich/client.py

@@ -312,13 +312,16 @@ def _read_shallow_updates(proto):
 class GitClient(object):
     """Git smart server client."""
 
-    def __init__(self, thin_packs=True, report_activity=None, quiet=False):
+    def __init__(self, thin_packs=True, report_activity=None, quiet=False,
+                 include_tags=False):
         """Create a new GitClient instance.
 
         Args:
           thin_packs: Whether or not thin packs should be retrieved
           report_activity: Optional callback for reporting transport
             activity.
+          include_tags: send annotated tags when sending the objects they point
+            to
         """
         self._report_activity = report_activity
         self._report_status_parser = None
@@ -330,6 +333,8 @@ class GitClient(object):
             self._send_capabilities.add(CAPABILITY_QUIET)
         if not thin_packs:
             self._fetch_capabilities.remove(CAPABILITY_THIN_PACK)
+        if include_tags:
+            self._fetch_capabilities.add(CAPABILITY_INCLUDE_TAG)
 
     def get_url(self, path):
         """Retrieves full url to given path.