[Owncloud] Git broken

[Christophe M]

Git is broken for me :

*Apache log :*

Call to a member function is_dir() on a non-object in
/var/www/owncloud/lib/filesystem.php on line 403

*Chrome log :*
  GET http://172.16.1.4/owncloud/remote.php/core.js 500 (Internal Server
Error)
 /owncloud/:7 <http://172.16.1.4/owncloud/>GET
http://172.16.1.4/owncloud/remote.php/core.css 500 (Internal Server Error)

   1. jquery.iframe-transport.js:37<http://172.16.1.4/owncloud/apps/files/js/jquery.iframe-transport.js>Uncaught
   TypeError: Cannot call method 'ajaxTransport' of undefined


   1. jquery.fileupload.js:33<http://172.16.1.4/owncloud/apps/files/js/jquery.fileupload.js>Uncaught
   TypeError: Cannot read property 'support' of undefined


   1. files.js:30 <http://172.16.1.4/owncloud/apps/files/js/files.js>Uncaught
   ReferenceError: $ is not defined


   1. filelist.js:215
<http://172.16.1.4/owncloud/apps/files/js/filelist.js>Uncaught
   ReferenceError: $ is not defined


   1. fileactions.js:137<http://172.16.1.4/owncloud/apps/files/js/fileactions.js>Uncaught
   ReferenceError: $ is not defined
   2.
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