Fix rbenv chef recipe issues downloading .tar.gz files from ruby-lang.org

attributes-default.rb

# attributes/default.rb

default[:ruby][:version]        = '1.9.3-p194'
default[:ruby][:global_version] = false

files-default-curlrc

# files/default/curlrc

# This prevents the gzip file from deflating into an uncompressed version when downloading gzip files
header "Accept-Encoding: gzip"

libraries-chef_mixin_rbenv.rb

# libraries/chef_mixin_rbenv.rb

# We'll monkey patch to insert $HOME, which we need for $HOME/.curlrc overrides
require 'chef/mixin/shell_out'

class Chef
  module Mixin
    module Rbenv

      def shell_out(*command_args)
        last_arg = command_args[-1]
        if last_arg.is_a?(Hash) || last_arg.is_a?(Mash)
          command_args[-1] = Chef::Mixin::DeepMerge.deep_merge!({:env => {'HOME' => '/home/rbenv'}}, command_args[-1])
        end
        super(*command_args)
      end

    end
  end
end

recipes-default.rb

# recipes/default.rb

# Fix .tar.gz download
directory "/home/rbenv" do
  owner 'rbenv'
  group 'rbenv'
  mode '0711'
end

cookbook_file "/home/rbenv/.curlrc" do
  source "curlrc"
  owner 'rbenv'
  group 'rbenv'
  mode "0755"
end
# End fix .tar.gz download

# Install ruby as per usual with rbenv cookbook e.g.:
rbenv_ruby node[:ruby][:version] do
  ruby_version node[:ruby][:version]
  force true # Use force and checking if file exists to ensure errors within compiling are retried
  global true if node[:ruby][:global_version] # Passenger can only run one ruby version
  not_if { File.exists?("#{node[:rbenv][:install_prefix]}/rbenv/versions/#{node[:ruby][:version]}/bin/ruby") }
end