# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 1397584635 14400
# Node ID 7974aa88868ea143606b00e2a6f6a8a340cb5ac9
# Parent  5ecfe76d0d963e8200930a0aefdc92442c606508
bundle2: let readbundle return unbundle20

The `readbundle` function can now recognize a bundle2 stream and return the
appropriate unbundler. This is required for proper bundle2 support over the
wire.

diff -r 5ecfe76d0d96 -r 7974aa88868e mercurial/exchange.py
--- a/mercurial/exchange.py	Tue Apr 15 13:54:54 2014 -0400
+++ b/mercurial/exchange.py	Tue Apr 15 13:57:15 2014 -0400
@@ -32,6 +32,8 @@
         if alg is None:
             alg = changegroup.readexactly(fh, 2)
         return changegroup.unbundle10(fh, alg)
+    elif version == '20':
+        return bundle2.unbundle20(ui, fh, header=magic + version)
     else:
         raise util.Abort(_('%s: unknown bundle version %s') % (fname, version))