gistfile1.txt

$ apt-cache policy chef
chef:
  Installed: 10.14.4-2.ubuntu.11.04
  Candidate: 10.16.2-1
  Package pin: 10.16.2-1
  Version table:
     10.16.2-1 700
        500 http://apt.opscode.com/ precise-0.10/main amd64 Packages
 *** 10.14.4-2.ubuntu.11.04 700
        100 /var/lib/dpkg/status

pinning-for-chef.rb

# Apt Repository
apt_repository "opscode" do
  uri "http://apt.opscode.com"
  components ["main"]
  distribution "#{node['lsb']['codename']}-0.10"
  key "2940ABA983EF826A"
  keyserver "pgpkeys.mit.edu"
  action :add
end

# Apt Preferences
apt_preference "chef" do
  pin "version 10.16.2-1"
  pin_priority "700"
end