Fossil

** repository and local databases.
*/
char *db_get(const char *zName, char *zDefault){
  char *z = 0;
  if( g.repositoryOpen ){
    z = db_text(0, "SELECT value FROM config WHERE name=%Q", zName);
  }
  if( z==0 && g.configOpen ){
    z = db_text(0, "SELECT value FROM global_config WHERE name=%Q", zName);
  }
  if( z==0 ){
    z = zDefault;
  }
  return z;
}
void db_set(const char *zName, const char *zValue, int globalFlag){
  db_begin_transaction();
  db_multi_exec("REPLACE INTO %sconfig(name,value) VALUES(%Q,%Q)",
                 globalFlag ? "global_" : "", zName, zValue);
  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){
  if( g.configOpen ){
    return db_exists("SELECT 1 FROM global_config WHERE name=%Q", zName);
  }else{
    return 0;
  }
}
int db_get_int(const char *zName, int dflt){
  int v;
  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 ){
    v = db_int(dflt, "SELECT value FROM global_config WHERE name=%Q", zName);
  }
  return v;
}
void db_set_int(const char *zName, int value, int globalFlag){
  db_begin_transaction();
  db_multi_exec("REPLACE INTO %sconfig(name,value) VALUES(%Q,%d)",