The only thing I remember doing different was canceling a composer update
command before it started updating any dependencies.
I get this error if I try composer self-update
:
[Composer\Downloader\TransportException]
The "https://getcomposer.org/versions" file could not be downloaded:
php_network_getaddresses: getaddrinfo failed: Name or service not known
failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or
service not known
I'm guessing it's an issue with composer itself.
EDIT: composer diag
fails on 3 things: http connectivity to packagist, github.com oauth access, and checking composer version.