Fossil

** it is convenient for the ~/.fossil to be attached to the main database
** connection so that we can join between the various databases.  In that
** case, invoke this routine with useAttach as 1.
*/
void db_open_config(int useAttach){
  char *zDbName;
  char *zHome;
  if( g.configOpen ) return;
#if defined(_WIN32) || defined(__CYGWIN__)
  zHome = fossil_getenv("LOCALAPPDATA");
  if( zHome==0 ){
    zHome = fossil_getenv("APPDATA");
    if( zHome==0 ){
      char *zDrive = fossil_getenv("HOMEDRIVE");
      zHome = fossil_getenv("HOMEPATH");
      if( zDrive && zHome ) zHome = mprintf("%s%s", zDrive, zHome);
    }
  }
#if defined(__CYGWIN__)
  if( zHome!=0 ){
    /* We now have the win32 path, but we need the Cygwin equivalent. */
    char *zPath = fossil_utf8_to_filename(zHome);
    fossil_filename_free(zHome);
    zHome = zPath;
  }
#endif
  if( zHome==0 ){
    fossil_fatal("cannot locate home directory - "
                "please set the LOCALAPPDATA or APPDATA or HOMEPATH "
                "environment variables");
  }
#else
  zHome = fossil_getenv("HOME");
  if( zHome==0 ){
    fossil_fatal("cannot locate home directory - "
                 "please set the HOME environment variable");
  }
#endif
  if( file_isdir(zHome)!=1 ){
    fossil_fatal("invalid home directory: %s", zHome);
  }
#if !defined(_WIN32)
  if( file_access(zHome, W_OK) ){
    fossil_fatal("home directory %s must be writeable", zHome);
  }
#endif
  g.zHome = mprintf("%/", zHome);
#if defined(_WIN32) || defined(__CYGWIN__)
  /* . filenames give some window systems problems and many apps problems */
  zDbName = mprintf("%//_fossil", zHome);
#else



  zDbName = mprintf("%s/.fossil", zHome);
#endif
  if( file_size(zDbName)<1024*3 ){
    db_init_database(zDbName, zConfigSchema, (char*)0);
  }





  if( useAttach ){
    db_open_or_attach(zDbName, "configdb", &g.useAttach);
    g.dbConfig = 0;
    g.zConfigDbType = 0;
  }else{
    g.useAttach = 0;
    g.dbConfig = db_open(zDbName);
    g.zConfigDbType = "configdb";
  }
  g.configOpen = 1;
  free(zDbName);
  fossil_filename_free(zHome);
}


/*
** Returns TRUE if zTable exists in the local database but lacks column
** zColumn
*/

  if( reportErrors ){
    while( (pStmt = sqlite3_next_stmt(g.db, pStmt))!=0 ){
      fossil_warning("unfinalized SQL statement: [%s]", sqlite3_sql(pStmt));
    }
  }
  g.repositoryOpen = 0;
  g.localOpen = 0;
  g.configOpen = 0;
  sqlite3_wal_checkpoint(g.db, 0);
  sqlite3_close(g.db);
  g.db = 0;
  g.zMainDbType = 0;
  if( g.dbConfig ){
    sqlite3_close(g.dbConfig);
    g.dbConfig = 0;

      ctrlSetting = &(ctrlSettings[i]);
      break;
    }
  }
  if( g.repositoryOpen ){
    z = db_text(0, "SELECT value FROM config WHERE name=%Q", zName);
  }
  if( z==0 && g.configOpen ){
    db_swap_connections();
    z = db_text(0, "SELECT value FROM global_config WHERE name=%Q", zName);
    db_swap_connections();
  }
  if( ctrlSetting!=0 && ctrlSetting->versionable && g.localOpen ){
    /* This is a versionable setting, try and get the info from a
    ** checked out file */

  if( globalFlag && g.repositoryOpen ){
    db_multi_exec("DELETE FROM config WHERE name=%Q", zName);
  }
  db_end_transaction(0);
}
int db_is_global(const char *zName){
  int rc = 0;
  if( g.configOpen ){
    db_swap_connections();
    rc = db_exists("SELECT 1 FROM global_config WHERE name=%Q", zName);
    db_swap_connections();
  }
  return rc;
}
int db_get_int(const char *zName, int dflt){
  int v = dflt;
  int rc;
  if( g.repositoryOpen ){
    Stmt q;
    db_prepare(&q, "SELECT value FROM config WHERE name=%Q", zName);
    rc = db_step(&q);
    if( rc==SQLITE_ROW ){
      v = db_column_int(&q, 0);
    }
    db_finalize(&q);
  }else{
    rc = SQLITE_DONE;
  }
  if( rc==SQLITE_DONE && g.configOpen ){
    db_swap_connections();
    v = db_int(dflt, "SELECT value FROM global_config WHERE name=%Q", zName);
    db_swap_connections();
  }
  return v;
}
void db_set_int(const char *zName, int value, int globalFlag){