X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fgetter%2Fhttp_getter_storage.ml;h=77bfe138da3450d9a484fdf2a6e8681b591d7e83;hb=99727f61d0a718e34d4282f9b9b45fce4336af84;hp=3650d79b95f0bc9b492271a4ea35db4d64e150eb;hpb=ee3f8d6fa92b051394a2ff7c71c03ac33a05182b;p=helm.git

diff --git a/helm/software/components/getter/http_getter_storage.ml b/helm/software/components/getter/http_getter_storage.ml
index 3650d79b9..77bfe138d 100644
--- a/helm/software/components/getter/http_getter_storage.ml
+++ b/helm/software/components/getter/http_getter_storage.ml
@@ -80,7 +80,10 @@ let is_file_schema url = Pcre.pmatch ~rex:file_scheme_RE url
 let is_http_schema url = Pcre.pmatch ~rex:http_scheme_RE url
 
 let is_empty_listing files = 
-  List.for_all (fun s -> s.[String.length s - 1] = '/') files
+  List.for_all
+   (fun s ->
+     let len = String.length s in
+      len < 4 || String.sub s (len - 4) 4 <> ".xml") files
 
 (************************* GLOBALS PREFIXES **********************************)
     
@@ -295,7 +298,10 @@ let exists s =
   with Resource_not_found _ -> false
 
 let resolve ?(must_exists=true) ~writable =
-  dispatch_single 
+  (if must_exists then
+    dispatch_multi
+  else
+    dispatch_single)
     { write = writable;
       name="resolve"; 
       exists = must_exists;