--- a/hgext/largefiles/localstore.py	Fri Aug 31 23:27:26 2012 +0200
+++ b/hgext/largefiles/localstore.py	Tue Aug 14 22:38:25 2012 -0400
@@ -33,8 +33,12 @@
         lfutil.link(lfutil.storepath(self.repo, hash),
                 lfutil.storepath(self.remote, hash))
 
-    def exists(self, hash):
-        return lfutil.instore(self.remote, hash)
+    def exists(self, hashes):
+        retval = {}
+        for hash in hashes:
+            retval[hash] = lfutil.instore(self.remote, hash)
+        return retval
+
 
     def _getfile(self, tmpfile, filename, hash):
         if lfutil.instore(self.remote, hash):

--- a/tests/test-largefiles.t	Fri Aug 31 23:27:26 2012 +0200
+++ b/tests/test-largefiles.t	Tue Aug 14 22:38:25 2012 -0400
@@ -1141,6 +1141,19 @@
   A f1
   $ cd ..
 
+largefiles can be pushed locally (issue3583)
+  $ hg init dest
+  $ cd r4
+  $ hg push ../dest
+  pushing to ../dest
+  searching for changes
+  searching for changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 1 changes to 1 files
+  $ cd ..
+
 #if serve
   $ hg serve -R r4 -d -p $HGPORT2 --pid-file hg.pid
   $ cat hg.pid >> $DAEMON_PIDS