--- a/hgext/lfs/__init__.py	Wed Feb 07 23:42:48 2018 -0500
+++ b/hgext/lfs/__init__.py	Sat Jan 27 17:58:19 2018 -0500
@@ -193,6 +193,7 @@
 command = registrar.command(cmdtable)
 
 templatekeyword = registrar.templatekeyword()
+filesetpredicate = registrar.filesetpredicate()
 
 def featuresetup(ui, supported):
     # don't die on seeing a repo with the lfs requirement
@@ -349,6 +350,14 @@
     # when writing a bundle via "hg bundle" command, upload related LFS blobs
     wrapfunction(bundle2, 'writenewbundle', wrapper.writenewbundle)
 
+@filesetpredicate('lfs()')
+def lfsfileset(mctx, x):
+    """File that uses LFS storage."""
+    # i18n: "lfs" is a keyword
+    fileset.getargs(x, 0, 0, _("lfs takes no arguments"))
+    return [f for f in mctx.subset
+            if wrapper.pointerfromctx(mctx.ctx, f) is not None]
+
 @templatekeyword('lfs_files')
 def lfsfiles(repo, ctx, **args):
     """List of strings. LFS files added or modified by the changeset."""