O pacote composer dos repositórios apt falha com todos os comandos ( composer install , composer update , composer list , composer --version )
Mensagem de erro
PHP Warning: require(Composer/autoload.php): failed to open stream: No such file or directory in /usr/bin/composer on line 8
PHP Fatal error: require(): Failed opening required 'Composer/autoload.php' (include_path=':/usr/share/kopano/php') in /usr/bin/composer on line 8
(relatório de bugs link )