X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaSync.ml;h=f42dad76927cb693cf15c8537a95d326b750103e;hb=08791e80816548121e81e04d3ead8c9a5171d033;hp=23e3b048f45bd015a184d2b6273b9cd257c1406e;hpb=63722506a5e378f3e05b46612cb91c132d994082;p=helm.git

diff --git a/helm/matita/matitaSync.ml b/helm/matita/matitaSync.ml
index 23e3b048f..f42dad769 100644
--- a/helm/matita/matitaSync.ml
+++ b/helm/matita/matitaSync.ml
@@ -34,7 +34,16 @@ let alias_diff ~from status =
        if not (Map.mem domain_item from.aliases) then
          Map.add domain_item codomain_item acc
        else
-         acc)
+         begin
+           try 
+             let description1 = fst(Map.find domain_item from.aliases) in
+             let description2 = fst(Map.find domain_item status.aliases) in
+             if description1 <> description2 then
+               Map.add domain_item codomain_item acc
+             else
+               acc 
+           with Not_found -> acc
+         end)
     status.aliases Map.empty
 
 let set_proof_aliases status aliases =
@@ -222,7 +231,7 @@ let time_travel ~present ~past =
       MatitaLog.debug "l2:";
       List.iter MatitaLog.debug l2
     
-let remove uri =
+let remove ~verbose uri =
   let derived_uris_of_uri uri =
     UriManager.innertypesuri_of_uri uri ::
     (match UriManager.bodyuri_of_uri uri with
@@ -237,10 +246,10 @@ let remove uri =
   List.iter 
     (fun uri -> 
       (try
-        MatitaLog.debug ("Removing: " ^ UriManager.string_of_uri uri);
+        if verbose then
+         MatitaLog.debug ("Removing: " ^ UriManager.string_of_uri uri);
         MatitaMisc.safe_remove (Http_getter.resolve' uri)
       with Http_getter_types.Key_not_found _ -> ());
       remove_coercion uri; 
       ignore (MatitaDb.remove_uri uri))
   to_remove
-