chef/cookbooks/cpe_environment/templates/default/zsh_cpe.erb

<% unless @config['paths'].nil? || @config['paths'].empty? %>
ENV_PATHS=<%= @config['paths'].join(':') %>
function zsh_load_cpe() {
  export PATH="$ENV_PATHS:$PATH"
}

function zsh_unload_cpe() {
  export PATH=${PATH/$ENV_PATHS:/}
  export PATH=${PATH/$ENV_PATHS/}

}

autoload -Uz add-zsh-hook
# for zsh, only enable our hooks before running the command
# and disable it just before printing the prompt
add-zsh-hook preexec zsh_load_cpe
add-zsh-hook precmd zsh_unload_cpe
<% end -%>
<% unless @config['vars'].nil? %>
  <% @config['vars'].each do |var,value| %>
export <%= var %>=<%= value %>
  <%- end -%>
<%- end -%>