mercurial/manifest.py

--- a/mercurial/manifest.py	Sat Dec 12 20:59:37 2015 -0800
+++ b/mercurial/manifest.py	Sat Dec 12 09:57:05 2015 -0800
@@ -740,9 +740,12 @@
     def _matches(self, match):
         '''recursively generate a new manifest filtered by the match argument.
         '''
+
+        visit = match.visitdir(self._dir[:-1] or '.')
+        if visit == 'all':
+            return self.copy()
         ret = treemanifest(self._dir)
-
-        if not match.visitdir(self._dir[:-1] or '.'):
+        if not visit:
             return ret
 
         self._load()