source/Setup/Setup.php
public function deleteSetupDirectory()
    {
        $blDeleteSetupDirectory = true;

        $sConfig = join("", file(getShopBasePath() . "config.inc.php"));
        if (strpos($sConfig, "this->blDelSetupDir = false;") !== false) {
            $blDeleteSetupDirectory = false;
        }

        return $blDeleteSetupDirectory;
    }
public function deleteSetupDirectory()
    {
        $blDeleteSetupDirectory = true;

        $sConfig = join("", file(getShopBasePath() . "config.inc.php"));
        if (strpos($sConfig, "this->blDelSetupDir = false;") !== false) {
            $blDeleteSetupDirectory = false;
        }

        return $blDeleteSetupDirectory;
    }
public function deleteSetupDirectory ( ) { $ blDeleteSetupDirectory = true ; $ sConfig = join ( "" , file ( getShopBasePath ( ) . "config.inc.php" ) ) ; if ( strpos ( $ sConfig , "this->blDelSetupDir = false;" ) !== false ) { $ blDeleteSetupDirectory = false ; } return $ blDeleteSetupDirectory ; }
Decides if leave or delete Setup directory dependent from configuration.

@return bool
Decides if leave or delete Setup directory dependent from configuration .