diff -r cda18ded2c48 -r becfecaf9087 mercurial/commands.py
--- a/mercurial/commands.py	Thu Jan 15 14:39:41 2015 -0800
+++ b/mercurial/commands.py	Thu Jan 15 15:39:16 2015 -0800
@@ -1181,7 +1181,10 @@
         revs = scmutil.revrange(repo, opts['rev'])
 
     bundletype = opts.get('type', 'bzip2').lower()
-    btypes = {'none': 'HG10UN', 'bzip2': 'HG10BZ', 'gzip': 'HG10GZ'}
+    btypes = {'none': 'HG10UN',
+              'bzip2': 'HG10BZ',
+              'gzip': 'HG10GZ',
+              'bundle2': 'HG2Y'}
     bundletype = btypes.get(bundletype)
     if bundletype not in changegroup.bundletypes:
         raise util.Abort(_('unknown bundle type specified with --type'))
@@ -2161,7 +2164,10 @@
     bundle = repo.getbundle('debug', **args)
 
     bundletype = opts.get('type', 'bzip2').lower()
-    btypes = {'none': 'HG10UN', 'bzip2': 'HG10BZ', 'gzip': 'HG10GZ'}
+    btypes = {'none': 'HG10UN',
+              'bzip2': 'HG10BZ',
+              'gzip': 'HG10GZ',
+              'bundle2': 'HG2Y'}
     bundletype = btypes.get(bundletype)
     if bundletype not in changegroup.bundletypes:
         raise util.Abort(_('unknown bundle type specified with --type'))