remote-hg: update tags globally

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

contrib/remote-helpers/git-remote-hg

@@ -715,7 +715,11 @@ def do_export(parser):
             continue
         elif ref.startswith('refs/tags/'):
             tag = ref[len('refs/tags/'):]
-            parser.repo.tag([tag], node, None, True, None, {})
+            if mode == 'git':
+                msg = 'Added tag %s for changeset %s' % (tag, hghex(node[:6]));
+                parser.repo.tag([tag], node, msg, False, None, {})
+            else:
+                parser.repo.tag([tag], node, None, True, None, {})
             print "ok %s" % ref
         else:
             # transport-helper/fast-export bugs