public function getSiteAliasDir()
    {
        $aliasDir = $this->getDrushDir() . '/site-aliases';
        if (!file_exists($aliasDir) && $this->getLegacyAliasFiles()) {
            $aliasDir = $this->getDrushDir();
        }

        return $aliasDir;
    }
public function getSiteAliasDir()
    {
        $aliasDir = $this->getDrushDir() . '/site-aliases';
        if (!file_exists($aliasDir) && $this->getLegacyAliasFiles()) {
            $aliasDir = $this->getDrushDir();
        }

        return $aliasDir;
    }
public function getSiteAliasDir ( ) { $ aliasDir = $ this -> getDrushDir ( ) . '/site-aliases' ; if ( ! file_exists ( $ aliasDir ) && $ this -> getLegacyAliasFiles ( ) ) { $ aliasDir = $ this -> getDrushDir ( ) ; } return $ aliasDir ; }
Find the directory where global Drush site aliases should be stored.

@return string
Find the directory where global Drush site aliases should be stored .