public function migrate() {
        $this->_requireGarpComposerPackage();
        $this->_updateSymlinks();
        $this->_updateIndexPhp();
        $this->_updateLocaleFiles();
        $this->_updateRoutesInclude();
        $this->_updateCapFile();

        Garp_Cli::lineOut('Done!');
        Garp_Cli::lineOut(
            'I\'m leaving the original garp folder in case you ' .
            'still have to push something from the subtree.', Garp_Cli::BLUE
        );

        return true;
    }