classes/phing/tasks/ext/sass/SassTask.php
public function setTrace($trace)
    {
        $this->trace = StringHelper::booleanValue($trace);
        if ($this->trace) {
            $this->flags .= ' --trace ';
        } else {
            $this->flags = str_replace(' --trace ', '', $this->flags);
        }
    }
public function setTrace($trace)
    {
        $this->trace = StringHelper::booleanValue($trace);
        if ($this->trace) {
            $this->flags .= ' --trace ';
        } else {
            $this->flags = str_replace(' --trace ', '', $this->flags);
        }
    }
public function setTrace ( $ trace ) { $ this -> trace = StringHelper :: booleanValue ( $ trace ) ; if ( $ this -> trace ) { $ this -> flags .= ' --trace ' ; } else { $ this -> flags = str_replace ( ' --trace ' , '' , $ this -> flags ) ; } }
Set trace option.

IE: Whether to output a stack trace on error.

@param string $trace Jenkins style boolean value

@return void
Set trace option .