+let ask_confirmation _ =
+ print_string "
+ You are trying to delete the whole standard library.
+ Since this may be a dangerous operation, you are asked to type
+
+ yes, I'm sure
+
+ verbatim and press enter.\n\n> ";
+ flush stdout;
+ let str = input_line stdin in
+ if str = "yes, I'm sure" then
+ begin
+ print_string "deletion in progess...\n";
+ flush stdout
+ end
+ else
+ begin
+ print_string "deletion cancelled.\n";
+ flush stdout;
+ exit 1
+ end
+;;
+
+let clean_all () =
+ if Helm_registry.get_bool "matita.system" then
+ ask_confirmation ();
+ LibraryDb.clean_owner_environment ();
+ let prefixes =
+ HExtlib.filter_map
+ (fun s ->
+ if String.sub s 0 5 = "file:" then
+ Some (Str.replace_first (Str.regexp "^file://") "" s)
+ else
+ None)
+ (Http_getter_storage.list_writable_prefixes ())
+ in
+ List.iter
+ (fun xmldir ->
+ let clean_pat =
+ String.concat " -o "
+ (List.map (fun suf -> "-name \\*" ^ suf) clean_suffixes) in
+ let clean_cmd =
+ sprintf "find %s \\( %s \\) -exec rm \\{\\} \\; 2> /dev/null"
+ xmldir clean_pat in
+ ignore (Sys.command clean_cmd);
+ ignore
+ (Sys.command ("find " ^ xmldir ^
+ " -type d -exec rmdir -p {} \\; 2> /dev/null")))
+ prefixes;
+ ignore (Sys.command ("rm -rf " ^ Helm_registry.get "matita.basedir"))
+;;
+