<% if @http_proxy -%> export http_proxy=<%= @http_proxy %> export HTTP_PROXY=<%= @http_proxy %> <% end -%> <% if @https_proxy -%> export https_proxy=<%= @https_proxy %> export HTTPS_PROXY=<%= @https_proxy %> <% end -%> <% if @no_proxy -%> export no_proxy=<%= @no_proxy %> <% end -%>