edensparse: allow config overrides when making matcher

Summary: FilteredFS (AKA edensparse) was ignoring the `config` arg to sparsematcher(), but that arg is important for sparse commands like debugsparsematch or debugsparseexplainmatch (which are useful to debug sparse profiles without needing a sparse clone). Let's just let it do its thing.

Reviewed By: sggutier

Differential Revision: D56164263

fbshipit-source-id: f0c1d0c0043b75e54f9c6eabe29797d5f466c156

eden/scm/sapling/ext/sparse.py

@@ -1002,8 +1002,7 @@ def sparsematch(self, *revs, **kwargs):
 
         includetemp = kwargs.get("includetemp", True)
 
-        # Don't allow overrides for edensparse checkouts
-        rawconfig = kwargs.get("config") if not _isedensparse(self) else None
+        rawconfig = kwargs.get("config")
 
         cachekey = self._cachekey(revs, includetemp=includetemp)
 

eden/scm/tests/test-eden-sparse.t

@@ -16,6 +16,5 @@
   $ hg clone -q --eden test:server client --config clone.eden-sparse-filter=eden-sparse
   $ cd client
 
-FIXME Allow adhoc use of sparse commands to debug sparse profiles:
+Allow adhoc use of sparse commands to debug sparse profiles:
   $ hg debugsparsematch -q --sparse-profile=sparse excluded --config extensions.sparse=
-  excluded