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[helm.git] / matita / matitaclean.ml

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+(* Copyright (C) 2005, HELM Team.
+ * 
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ * 
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA  02111-1307, USA.
+ * 
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+(* $Id$ *)
+
+open Printf
+
+module UM = UriManager
+module TA = GrafiteAst
+
+let clean_suffixes = [ ".moo"; ".lexicon"; ".metadata"; ".xml.gz" ]
+
+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
+;;
+
+let main () =
+  let _ = MatitaInit.initialize_all () in
+  if not (Helm_registry.get_bool "matita.verbose") then MatitaMisc.shutup ();
+  let files =
+    match Helm_registry.get_list Helm_registry.string "matita.args" with
+    | [ "all" ] -> clean_all (); exit 0
+    | [] -> 
+        (match Librarian.find_roots_in_dir (Sys.getcwd ()) with
+        | [x] -> 
+           Sys.chdir (Filename.dirname x); 
+           HExtlib.find ~test:(fun x -> Filename.check_suffix x ".ma") "."
+        | [] -> 
+           prerr_endline "No targets and no root found"; exit 1
+        | roots -> 
+           let roots = List.map (HExtlib.chop_prefix (Sys.getcwd()^"/")) roots in
+           prerr_endline ("Too many roots found:\n\t" ^ String.concat "\n\t" roots);
+           prerr_endline ("\nEnter one of these directories and retry");
+           exit 1);
+    | files -> files
+  in
+  let uris_to_remove =
+   List.fold_left
+     (fun uris_to_remove suri ->
+       let uri = 
+         try
+           UM.buri_of_uri (UM.uri_of_string suri)
+         with UM.IllFormedUri _ ->
+           let _,u,_,_ = Librarian.baseuri_of_script ~include_paths:[] suri in
+           if Librarian.is_uri u then u else begin
+             HLog.error (sprintf "File %s defines a bad baseuri: %s" suri u);
+             exit 1
+           end 
+       in
+        uri::uris_to_remove) [] files
+  in
+   LibraryClean.clean_baseuris uris_to_remove