added some hacks for the debian package

diff --git a/components/hmysql/hSqlite3.ml b/components/hmysql/hSqlite3.ml
index a9e8a46ae0ba19a84708a4caf20ab7a40b911354..031c09c9af1245b8de9e785f86a3bf6205258acd 100644 (file)
--- a/components/hmysql/hSqlite3.ml
+++ b/components/hmysql/hSqlite3.ml
@@ -40,6 +40,7 @@ type error_code =
  | No_such_index
  | Bad_table_error
  | GENERIC_ERROR of string
+
 exception Error
 
 let prerr_endline s = ()(*HLog.debug s;;*)
@@ -48,26 +49,43 @@ let profiler = HExtlib.profile "Sqlite3"
 
 let quick_connect ?host ?(database = "sqlite") ?port ?password ?user () = 
   let username = Helm_registry.get "user.name" in
-  let ram_db_name =
-    "/dev/shm/matita.db." ^ username ^ "." ^ string_of_int (Unix.getpid ())  
+  let tmp_db_name =
+    if HExtlib.is_dir "/dev/shm/" && HExtlib.writable_dir "/dev/shm/" then
+      (HLog.debug "using /dev/shm to store the working copy of the db";
+      "/dev/shm/matita.db." ^ username ^ "." ^ string_of_int (Unix.getpid ()))
+    else
+      (HLog.debug "/dev/shm not available";
+      Helm_registry.get "matita.basedir" ^ "/matita.db." ^ username ^ "." ^
+        string_of_int (Unix.getpid ()))
   in
   let db_name = Helm_registry.get "matita.basedir" ^ "/" ^ database ^ ".db" in
-  let cp_to_ram_cmd = "cp " ^ db_name ^ " " ^ ram_db_name in
+  (* XXX big hack XXX *)
+  let standard_db_name = "/usr/share/matita/metadata.db" in
+  let cp_to_ram_cmd = 
+    if HExtlib.is_regular db_name then
+      "cp " ^ db_name ^ " " ^ tmp_db_name 
+    else
+      (* we start from the standard library *)
+      "cp " ^ standard_db_name ^ " " ^ tmp_db_name
+  in
   ignore (Sys.command cp_to_ram_cmd);
-  let mv_to_disk_cmd _ = ignore (Sys.command ("mv " ^ ram_db_name ^ " " ^ db_name)) in
+  let mv_to_disk_cmd _ = 
+    ignore (Sys.command ("mv " ^ tmp_db_name ^ " " ^ db_name)) 
+  in
   at_exit mv_to_disk_cmd;
-  Some (Sqlite3.db_open ram_db_name)
+  Some (Sqlite3.db_open tmp_db_name)
 ;;
 
 let disconnect db =
   match db with
   | None -> ()
   | Some db -> 
-       let b = Sqlite3.db_close db in
-       if b=false then prerr_endline "No Closed DataBase"
+      let b = Sqlite3.db_close db in
+      if b=false then prerr_endline "No Closed DataBase"
 ;;
 
-let escape s = s
+(* XXX hack, sqlite has a print "%q" that should be used, but is not bound *)
+let escape s = Pcre.replace ~pat:"([^'])'([^'])" ~templ:"$1''$2" s
 
 let exec db s =
  prerr_endline s;
@@ -89,94 +107,71 @@ let exec db s =
 let rec map res ~f = 
   let map f = List.map f res in
   profiler.HExtlib.profile map f
+;;
 
 let iter res ~f =
   let iter f = List.iter f res in
   profiler.HExtlib.profile iter f
+;;
 
 let pp_rc = function
-       |Sqlite3.Rc.OK -> prerr_endline "Sqlite3.Rc.OK" 
-       |Sqlite3.Rc.ERROR -> prerr_endline "Sqlite3.Rc.ERROR" 
-       |Sqlite3.Rc.INTERNAL -> prerr_endline "Sqlite3.Rc.INTERNAL" 
-       |Sqlite3.Rc.PERM -> prerr_endline "Sqlite3.Rc.PERM" 
-       |Sqlite3.Rc.ABORT -> prerr_endline "Sqlite3.Rc.ABORT" 
-       |Sqlite3.Rc.BUSY -> prerr_endline "Sqlite3.Rc.BUSY" 
-       |Sqlite3.Rc.LOCKED -> prerr_endline "Sqlite3.Rc.LOCKED" 
-       |Sqlite3.Rc.NOMEM -> prerr_endline "Sqlite3.Rc.NOMEM" 
-       |Sqlite3.Rc.READONLY -> prerr_endline "Sqlite3.Rc.READONLY" 
-       |Sqlite3.Rc.INTERRUPT -> prerr_endline "Sqlite3.Rc.INTERRUPT" 
-       |Sqlite3.Rc.IOERR -> prerr_endline "Sqlite3.Rc.IOERR" 
-       |Sqlite3.Rc.CORRUPT -> prerr_endline "Sqlite3.Rc.CORRUPT" 
-       |Sqlite3.Rc.NOTFOUND -> prerr_endline "Sqlite3.Rc.NOTFOUND" 
-       |Sqlite3.Rc.FULL -> prerr_endline "Sqlite3.Rc.FULL" 
-       |Sqlite3.Rc.CANTOPEN -> prerr_endline "Sqlite3.Rc.CANTOPEN" 
-       |Sqlite3.Rc.PROTOCOL -> prerr_endline "Sqlite3.Rc.PROTOCOL" 
-       |Sqlite3.Rc.EMPTY -> prerr_endline "Sqlite3.Rc.EMPTY" 
-       |Sqlite3.Rc.SCHEMA -> prerr_endline "Sqlite3.Rc.SCHEMA" 
-       |Sqlite3.Rc.TOOBIG -> prerr_endline "Sqlite3.Rc.TOOBIG" 
-       |Sqlite3.Rc.CONSTRAINT -> prerr_endline "Sqlite3.Rc.CONSTRAINT" 
-       |Sqlite3.Rc.MISMATCH -> prerr_endline "Sqlite3.Rc.MISMATCH" 
-       |Sqlite3.Rc.MISUSE -> prerr_endline "Sqlite3.Rc.MISUSE" 
-       |Sqlite3.Rc.NOFLS -> prerr_endline "Sqlite3.Rc.NOFLS" 
-       |Sqlite3.Rc.AUTH -> prerr_endline "Sqlite3.Rc.AUTH" 
-       |Sqlite3.Rc.FORMAT -> prerr_endline "Sqlite3.Rc.FORMAT" 
-       |Sqlite3.Rc.RANGE -> prerr_endline "Sqlite3.Rc.RANGE" 
-       |Sqlite3.Rc.NOTADB -> prerr_endline "Sqlite3.Rc.NOTADB" 
-       |Sqlite3.Rc.ROW -> prerr_endline "Sqlite3.Rc.ROW" 
-       |Sqlite3.Rc.DONE -> prerr_endline "Sqlite3.Rc.DONE" 
-       |Sqlite3.Rc.UNKNOWN n -> 
-       prerr_endline ("Sqlite3.Rc.UNKNOWN " ^ string_of_int (Sqlite3.Rc.int_of_unknown n))
+  |Sqlite3.Rc.OK -> prerr_endline "Sqlite3.Rc.OK" 
+  |Sqlite3.Rc.ERROR -> prerr_endline "Sqlite3.Rc.ERROR" 
+  |Sqlite3.Rc.INTERNAL -> prerr_endline "Sqlite3.Rc.INTERNAL" 
+  |Sqlite3.Rc.PERM -> prerr_endline "Sqlite3.Rc.PERM" 
+  |Sqlite3.Rc.ABORT -> prerr_endline "Sqlite3.Rc.ABORT" 
+  |Sqlite3.Rc.BUSY -> prerr_endline "Sqlite3.Rc.BUSY" 
+  |Sqlite3.Rc.LOCKED -> prerr_endline "Sqlite3.Rc.LOCKED" 
+  |Sqlite3.Rc.NOMEM -> prerr_endline "Sqlite3.Rc.NOMEM" 
+  |Sqlite3.Rc.READONLY -> prerr_endline "Sqlite3.Rc.READONLY" 
+  |Sqlite3.Rc.INTERRUPT -> prerr_endline "Sqlite3.Rc.INTERRUPT" 
+  |Sqlite3.Rc.IOERR -> prerr_endline "Sqlite3.Rc.IOERR" 
+  |Sqlite3.Rc.CORRUPT -> prerr_endline "Sqlite3.Rc.CORRUPT" 
+  |Sqlite3.Rc.NOTFOUND -> prerr_endline "Sqlite3.Rc.NOTFOUND" 
+  |Sqlite3.Rc.FULL -> prerr_endline "Sqlite3.Rc.FULL" 
+  |Sqlite3.Rc.CANTOPEN -> prerr_endline "Sqlite3.Rc.CANTOPEN" 
+  |Sqlite3.Rc.PROTOCOL -> prerr_endline "Sqlite3.Rc.PROTOCOL" 
+  |Sqlite3.Rc.EMPTY -> prerr_endline "Sqlite3.Rc.EMPTY" 
+  |Sqlite3.Rc.SCHEMA -> prerr_endline "Sqlite3.Rc.SCHEMA" 
+  |Sqlite3.Rc.TOOBIG -> prerr_endline "Sqlite3.Rc.TOOBIG" 
+  |Sqlite3.Rc.CONSTRAINT -> prerr_endline "Sqlite3.Rc.CONSTRAINT" 
+  |Sqlite3.Rc.MISMATCH -> prerr_endline "Sqlite3.Rc.MISMATCH" 
+  |Sqlite3.Rc.MISUSE -> prerr_endline "Sqlite3.Rc.MISUSE" 
+  |Sqlite3.Rc.NOFLS -> prerr_endline "Sqlite3.Rc.NOFLS" 
+  |Sqlite3.Rc.AUTH -> prerr_endline "Sqlite3.Rc.AUTH" 
+  |Sqlite3.Rc.FORMAT -> prerr_endline "Sqlite3.Rc.FORMAT" 
+  |Sqlite3.Rc.RANGE -> prerr_endline "Sqlite3.Rc.RANGE" 
+  |Sqlite3.Rc.NOTADB -> prerr_endline "Sqlite3.Rc.NOTADB" 
+  |Sqlite3.Rc.ROW -> prerr_endline "Sqlite3.Rc.ROW" 
+  |Sqlite3.Rc.DONE -> prerr_endline "Sqlite3.Rc.DONE" 
+  |Sqlite3.Rc.UNKNOWN n -> 
+     prerr_endline 
+       ("Sqlite3.Rc.UNKNOWN " ^ string_of_int (Sqlite3.Rc.int_of_unknown n))
 ;;
 
 let errno = function 
   | None -> OK
   | Some db -> 
-      (* pp_rc (Sqlite3.errcode db);  *)
-      (* prerr_endline(Sqlite3.errmsg db); *)
       match Sqlite3.errcode db with
       |Sqlite3.Rc.OK -> OK
       |Sqlite3.Rc.ERROR ->
-         if Pcre.pmatch(Sqlite3.errmsg db) ~pat:"^table .* already exists" then
+         let errmsg = (Sqlite3.errmsg db) in
+         if Pcre.pmatch errmsg ~pat:"^table .* already exists" then
            Table_exists_error
          else
-        if Pcre.pmatch(Sqlite3.errmsg db) ~pat:"^index .* already exists" then
-          Dup_keyname
-        else
-        if Pcre.pmatch(Sqlite3.errmsg db) ~pat:"^no such table: .*" then
-          No_such_table
-        else
-         if Pcre.pmatch(Sqlite3.errmsg db) ~pat:"^no such index: .*" then
-          No_such_index
-        else   
-         GENERIC_ERROR "ciao"
-
-      |Sqlite3.Rc.INTERNAL
-      |Sqlite3.Rc.PERM
-      |Sqlite3.Rc.ABORT
-      |Sqlite3.Rc.BUSY
-      |Sqlite3.Rc.LOCKED
-      |Sqlite3.Rc.NOMEM
-      |Sqlite3.Rc.READONLY
-      |Sqlite3.Rc.INTERRUPT
-      |Sqlite3.Rc.IOERR
-      |Sqlite3.Rc.CORRUPT
-      |Sqlite3.Rc.NOTFOUND
-      |Sqlite3.Rc.FULL
-      |Sqlite3.Rc.CANTOPEN
-      |Sqlite3.Rc.PROTOCOL
-      |Sqlite3.Rc.EMPTY
-      |Sqlite3.Rc.SCHEMA
-      |Sqlite3.Rc.TOOBIG
-      |Sqlite3.Rc.CONSTRAINT
-      |Sqlite3.Rc.MISMATCH
-      |Sqlite3.Rc.MISUSE
-      |Sqlite3.Rc.NOFLS
-      |Sqlite3.Rc.AUTH
-      |Sqlite3.Rc.FORMAT
-      |Sqlite3.Rc.RANGE
-      |Sqlite3.Rc.NOTADB
-      |Sqlite3.Rc.ROW
-      |Sqlite3.Rc.DONE
+         if Pcre.pmatch errmsg ~pat:"^index .* already exists" then Dup_keyname
+         else if Pcre.pmatch errmsg ~pat:"^no such table: .*" then No_such_table
+         else if Pcre.pmatch errmsg ~pat:"^no such index: .*" then No_such_index
+         else GENERIC_ERROR errmsg
+      |Sqlite3.Rc.INTERNAL |Sqlite3.Rc.PERM |Sqlite3.Rc.ABORT
+      |Sqlite3.Rc.BUSY |Sqlite3.Rc.LOCKED |Sqlite3.Rc.NOMEM
+      |Sqlite3.Rc.READONLY |Sqlite3.Rc.INTERRUPT |Sqlite3.Rc.IOERR
+      |Sqlite3.Rc.CORRUPT |Sqlite3.Rc.NOTFOUND |Sqlite3.Rc.FULL
+      |Sqlite3.Rc.CANTOPEN |Sqlite3.Rc.PROTOCOL |Sqlite3.Rc.EMPTY 
+      |Sqlite3.Rc.SCHEMA |Sqlite3.Rc.TOOBIG |Sqlite3.Rc.CONSTRAINT
+      |Sqlite3.Rc.MISMATCH |Sqlite3.Rc.MISUSE |Sqlite3.Rc.NOFLS
+      |Sqlite3.Rc.AUTH |Sqlite3.Rc.FORMAT |Sqlite3.Rc.RANGE
+      |Sqlite3.Rc.NOTADB |Sqlite3.Rc.ROW |Sqlite3.Rc.DONE
       |Sqlite3.Rc.UNKNOWN _ -> GENERIC_ERROR "Sqlite3_generic_error"
 ;;