itamae/cookbooks/base/eget.rb

result = run_command('which eget',  error: false)
if result.exit_status != 0
  # Install eget
  execute 'curl https://zyedidia.github.io/eget.sh | sh' do
    cwd '/usr/local/bin/'
  end

  execute 'chown root:root /usr/local/bin/eget'
  execute 'chmod 755 /usr/local/bin/eget'
end

%w( zyedidia/eget mgdm/htmlq ).each do |p|
  execute "eget #{p} --to /usr/local/bin/ --upgrade-only"
end