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Bonjour,

Je suis en train de commencer le tutoriel et j'ai une erreur, comme plusieurs personnes apparemment, lors de l'installation des bundles externes

bin/vendors install --reinstall

le terminal me réponds :

> Installing/Updating symfony
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor/symfony
> Installing/Updating twig
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor/twig
> Installing/Updating monolog
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor/monolog
> Installing/Updating doctrine-common
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor/doctrine-common
> Installing/Updating doctrine-dbal
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor/doctrine-dbal
> Installing/Updating doctrine
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor/doctrine
> Installing/Updating swiftmailer
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor/swiftmailer
> Installing/Updating assetic
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor/assetic
> Installing/Updating twig-extensions
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor/twig-extensions
> Installing/Updating metadata
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor/metadata
> Installing/Updating SensioFrameworkExtraBundle
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor//bundles/Sensio/Bundle/FrameworkExtraBundle
> Installing/Updating JMSSecurityExtraBundle
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor//bundles/JMS/SecurityExtraBundle
> Installing/Updating SensioDistributionBundle
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor//bundles/Sensio/Bundle/DistributionBundle
> Installing/Updating SensioGeneratorBundle
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor//bundles/Sensio/Bundle/GeneratorBundle
> Installing/Updating AsseticBundle
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor//bundles/Symfony/Bundle/AsseticBundle
> Installing/Updating doctrine-fixtures
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor/doctrine-fixtures
> Installing/Updating DoctrineFixturesBundle
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor//bundles/Symfony/Bundle/DoctrineFixturesBundle
> Installing/Updating Pagerfanta
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor//pagerfanta
> Installing/Updating WhiteOctoberPagerfantaBundle
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor//bundles/WhiteOctober/PagerfantaBundle
> Installing/Updating SonataIntlBundle
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor//bundles/Sonata/IntlBundle
> Installing/Updating GravatarBundle
sh: git: not found
cd: 1: can't cd to /var/www/watchMyDesk2/vendor//bundles/Ornicar/GravatarBundle
sh: /var/www/watchMyDesk2/vendor/bundles/Sensio/Bundle/DistributionBundle/Resources/bin/build_bootstrap.php: not found
PHP Fatal error:  Class 'Doctrine\Common\Annotations\AnnotationRegistry' not found in /var/www/watchMyDesk2/app/autoload.php on line 35
PHP Fatal error:  Class 'Doctrine\Common\Annotations\AnnotationRegistry' not found in /var/www/watchMyDesk2/app/autoload.php on line 35

Je suis sur ubuntu 11.04, d'où peut venir ce problème ?

Merci d'avance!