knife cookbooks site install apt

gistfile1.txt

$ knife cookbook site install apt -V
Installing apt to ./cookbooks
Checking out the master branch.
Creating pristine copy branch chef-vendor-apt
Downloading apt from the cookbooks site at version 1.1.2 to ./cookbooks/apt.tar.gz
Cookbook saved: ./cookbooks/apt.tar.gz
Removing pre-existing version.
Uncompressing apt version ./cookbooks.
ERROR: Chef::Exceptions::ShellCommandFailed: Expected process to exit with [0], but received '1'
---- Begin output of tar zxvf ./cookbooks/apt.tar.gz ----
STDOUT: 
STDERR: tar: Error opening archive: Failed to open './cookbooks/apt.tar.gz': No such file or directory
---- End output of tar zxvf ./cookbooks/apt.tar.gz ----
Ran tar zxvf ./cookbooks/apt.tar.gz returned 1
  [~/projects/wurl/ops/wurl-chef-repo branch:chef-vendor-apt  ruby:ruby-1.9.2-p180@wurl-chef-repo]  
$ ls
Gemfile         Gemfile.lock    README          cookbooks/      environments/   roles/          site-cookbooks/
  [~/projects/wurl/ops/wurl-chef-repo branch:chef-vendor-apt  ruby:ruby-1.9.2-p180@wurl-chef-repo]  
$ ls cookbooks/
README      apt.tar.gz