exception SvnError of string;;
+let mutex = Mutex.create ();;
+
+let to_be_committed = ref [];;
+
let exec_process cmd =
let (stdout, stdin, stderr) as chs = Unix.open_process_full cmd [||] in
let outlines = ref [] in
errno, output ^ "\n\n" ^ errors
| _ -> assert false))
+(* this should be executed only for a freshly created user
+ * so no CS is needed *)
let checkout user =
let rt_dir = Helm_registry.get "matita.rt_base_dir" in
let repo = Helm_registry.get "matita.weblib" in
let to_be_removed = (Helm_registry.get "matita.rt_base_dir") ^ "/users/*" in
ignore (Sys.command ("rm -rf " ^ to_be_removed))
;;
+
+(* adds a user to the commit queue; concurrent instances possible, so we
+ * enclose the update in a CS
+ *)
+let add_user uid =
+ Mutex.lock mutex;
+ to_be_committed := uid::List.filter (fun x -> x <> uid) !to_be_committed;
+ Mutex.unlock mutex;
+;;
+
+(* this function and the next one should only be called by the server itself (or
+ * the admin) at a scheduled time, so no concurrent instances and no CS needed
+ * also, svn should already be safe as far as concurrency is concerned *)
+let commit user =
+ let rt_dir = Helm_registry.get "matita.rt_base_dir" in
+ let repo = Helm_registry.get "matita.weblib" in
+
+ let errno, outstr = exec_process
+ ("svn ci --message \"commit by user " ^ user ^ "\" " ^ rt_dir ^ "/users/" ^ user ^ "/")
+ in
+ if errno = 0 then ()
+ else raise (SvnError outstr)
+
+let do_global_commit () =
+ prerr_endline ("to be committed: " ^ String.concat " " !to_be_committed);
+ List.fold_left
+ (fun acc u ->
+ try
+ commit u;
+ acc
+ with
+ | SvnError outstr ->
+ prerr_endline outstr;
+ u::acc)
+ [] (List.rev !to_be_committed)
+;;