--- a/mercurial/commands.py	Fri Mar 25 16:13:28 2016 -0700
+++ b/mercurial/commands.py	Fri Mar 25 23:05:32 2016 -0700
@@ -1399,6 +1399,10 @@
         base = scmutil.revrange(repo, opts.get('base'))
     # TODO: get desired bundlecaps from command line.
     bundlecaps = None
+    if cgversion not in changegroup.supportedoutgoingversions(repo):
+        raise error.Abort(_("repository does not support bundle version %s") %
+                          cgversion)
+
     if base:
         if dest:
             raise error.Abort(_("--base is incompatible with specifying "