$ git clone g...@github.com:apache/whimsy.git Cloning into 'whimsy'...
Warning: Permanently added the RSA host key for IP address '140.82.118.4' to the list of known hosts. g...@github.com: Permission denied (publickey). fatal: Could not read from remote repository. Please make sure you have the correct access rights and the repository exists. Is it ever needed, or can it be dropped in favour of the alternative? i.e. $ git clone https://github.com/apache/whimsy.git
