{"action":"opened","issue":{"url":"https://api.github.com/repos/sciurus/vagrant-mutate/issues/72","labels_url":"https://api.github.com/repos/sciurus/vagrant-mutate/issues/72/labels{/name}","comments_url":"https://api.github.com/repos/sciurus/vagrant-mutate/issues/72/comments","events_url":"https://api.github.com/repos/sciurus/vagrant-mutate/issues/72/events","html_url":"https://github.com/sciurus/vagrant-mutate/issues/72","id":99838722,"number":72,"title":"vagrant mutate throws TypeError","user":{"login":"Momus","id":367602,"avatar_url":"https://avatars.githubusercontent.com/u/367602?v=3","gravatar_id":"","url":"https://api.github.com/users/Momus","html_url":"https://github.com/Momus","followers_url":"https://api.github.com/users/Momus/followers","following_url":"https://api.github.com/users/Momus/following{/other_user}","gists_url":"https://api.github.com/users/Momus/gists{/gist_id}","starred_url":"https://api.github.com/users/Momus/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Momus/subscriptions","organizations_url":"https://api.github.com/users/Momus/orgs","repos_url":"https://api.github.com/users/Momus/repos","events_url":"https://api.github.com/users/Momus/events{/privacy}","received_events_url":"https://api.github.com/users/Momus/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-08T22:11:34Z","updated_at":"2015-08-08T22:11:34Z","closed_at":null,"body":"--deleted previous versions of gems\r\n--updated Vagrant: Vagrant 1.7.4\r\n--installed vagrant-libvirt\r\n```bash\r\n $ vagrant plugin list\r\nvagrant-libvirt (0.0.30)\r\nvagrant-mutate (1.0.0)\r\nvagrant-share (1.1.4, system)\r\n````\r\nran  vagrant mutate freebsd-10.1-zfs-pure libvirt\r\ngot:\r\n```bash\r\n~/.vagrant.d/gems/gems/vagrant-mutate-1.0.0/lib/vagrant-mutate/box_loader.rb:243:in `join': no implicit conversion of nil into String (TypeError)\r\n\tfrom ~/.vagrant.d/gems/gems/vagrant-mutate-1.0.0/lib/vagrant-mutate/box_loader.rb:243:in `find_input_dir'\r\n\tfrom ~/.vagrant.d/gems/gems/vagrant-mutate-1.0.0/lib/vagrant-mutate/box_loader.rb:119:in `load_from_boxes_path'\r\n\tfrom ~/.vagrant.d/gems/gems/vagrant-mutate-1.0.0/lib/vagrant-mutate/box_loader.rb:36:in `load'\r\n\tfrom ~/.vagrant.d/gems/gems/vagrant-mutate-1.0.0/lib/vagrant-mutate/mutate.rb:39:in `execute'\r\n\tfrom /opt/vagrant/embedded/gems/gems/vagrant-1.7.4/lib/vagrant/cli.rb:42:in `execute'\r\n\tfrom /opt/vagrant/embedded/gems/gems/vagrant-1.7.4/lib/vagrant/environment.rb:301:in `cli'\r\n\tfrom /opt/vagrant/embedded/gems/gems/vagrant-1.7.4/bin/vagrant:174:in `<main>'"}}