public static function getRepositoryConfigByAlias($alias)
	{
		$config = self::_getConfig();
		$repos = self::getRepositoryConfigs();
		if (isset($repos[$alias]))
		{
			return $repos[$alias];
		}
		return null;
	}
public static function getRepositoryConfigByAlias($alias)
	{
		$config = self::_getConfig();
		$repos = self::getRepositoryConfigs();
		if (isset($repos[$alias]))
		{
			return $repos[$alias];
		}
		return null;
	}
public static function getRepositoryConfigByAlias ( $ alias ) { $ config = self :: _getConfig ( ) ; $ repos = self :: getRepositoryConfigs ( ) ; if ( isset ( $ repos [ $ alias ] ) ) { return $ repos [ $ alias ] ; } return null ; }
Return the configuration of a repository by its alias

@param		string	$alias	Alias of the repository, as found in the composer.json
@return	mixed		The Composer\Repository\PackageRepository that matches, or null
Return the configuration of a repository by its alias