# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 1443142341 25200
# Node ID 4c4b3c37776c007b96bd8c1d1299d57009e59295
# Parent  19d946cf2a1bf921e78de18f52cfabcc3401035f
unbundle: test and fix for clean abort on unknown bundle2 feature

This introduce a test for the feature and fix the exception name that is
different on default.

diff -r 19d946cf2a1b -r 4c4b3c37776c mercurial/commands.py
--- a/mercurial/commands.py	Tue Sep 29 14:33:31 2015 -0500
+++ b/mercurial/commands.py	Thu Sep 24 17:52:21 2015 -0700
@@ -6388,7 +6388,7 @@
                 try:
                     op = bundle2.processbundle(repo, gen, lambda: tr)
                     tr.close()
-                except error.UnsupportedPartError as exc:
+                except error.BundleUnknownFeatureError as exc:
                     raise util.Abort(_('%s: unknown bundle feature, %s')
                                      % (fname, exc),
                                      hint=_("see https://mercurial.selenic.com/"
diff -r 19d946cf2a1b -r 4c4b3c37776c tests/test-bundle2-format.t
--- a/tests/test-bundle2-format.t	Tue Sep 29 14:33:31 2015 -0500
+++ b/tests/test-bundle2-format.t	Thu Sep 24 17:52:21 2015 -0700
@@ -1219,5 +1219,9 @@
   $ cat ../rev.hg2.bz | hg statbundle2
   abort: unknown parameters: Stream Parameter - Compression='FooBarUnknown'
   [255]
+  $ hg unbundle ../rev.hg2.bz
+  abort: ../rev.hg2.bz: unknown bundle feature, Stream Parameter - Compression='FooBarUnknown'
+  (see https://mercurial.selenic.com/wiki/BundleFeature for more information)
+  [255]
 
   $ cd ..