add subpath to lint

src/client/opamCommands.ml

@@ -2773,10 +2773,10 @@ let lint =
        an opam file directly."
       Arg.(some package) None
   in
-  let lint global_options files package normalise short recurse warnings_sel =
+  let lint global_options files package normalise short recurse subpath warnings_sel =
     apply_global_options global_options;
     let opam_files_in_dir d =
-      match OpamPinned.files_in_source ~recurse d with
+      match OpamPinned.files_in_source ~recurse ?subpath d with
       | [] ->
         OpamConsole.warning "No opam files found in %s"
           (OpamFilename.Dir.to_string d);
@@ -2877,7 +2877,7 @@ let lint =
     if err then OpamStd.Sys.exit_because `False
   in
   Term.(const lint $global_options $files $package $normalise $short
-        $recurse $warnings),
+        $recurse $subpath $warnings),
   term_info "lint" ~doc ~man
 
 (* CLEAN *)