move runner to external script

lib/language_pack/nginx.rb

@@ -27,31 +27,29 @@ def default_config_vars
 
   def default_process_types
     {
-      "web" => 'ruby run.rb'
+      "web" => 'ruby runner.rb'
     }
   end
 
   def compile
     download_openresty
+    copy_runner
     FileUtils.mkdir_p "logs"
-    File.open("run.rb", "w") do |file|
-      file.puts <<-APPLICATION
-#!/usr/bin/env ruby
-
-conf_file = File.read("nginx.conf")
-conf_file.gsub!(/\\$ENV_(\\w+)/) do
-  ENV[$1]
-end
-File.open(".env_nginx.conf","w") do |file|
-  file.puts conf_file
-end
-`nginx -c \\`pwd\\`/.env_nginx.conf -g "daemon off;"`
-      APPLICATION
-    end
+    FileUtils.mkdir_p "tmp"
   end
 
   private
 
+  def copy_runner
+    runner_path = "runner.rb"
+    unless cache_load(runner_path)
+      Dir.chdir(build_path) do
+        run("cp #{File.join(File.dirname(__FILE__), "scripts", "runner.rb")} runner.rb")
+        cache_load(runner_path)
+      end
+    end
+  end
+
   def download_openresty
     openresty_path = "openresty"
     topic "Installing OpenResty version #{OPENRESTY_STABLE_VERSION}"

lib/language_pack/scripts/runner.rb

@@ -0,0 +1,6 @@
+#!/usr/bin/env ruby
+
+modified_filename = "nginx-#{Time.now.to_i}.conf"
+conf_file = File.read("nginx.conf").gsub!(/\$ENV_(\w+)/) { ENV[$1] }
+File.open(modified_filename, "w") {|f| f.puts conf_file }
+%x{nginx -c \`pwd\`/#{modified_filename} -g "daemon off;"}

scripts/runner.rb

@@ -0,0 +1,6 @@
+#!/usr/bin/env ruby
+
+modified_filename = "nginx-#{Time.now.to_i}.conf"
+conf_file = File.read("nginx.conf").gsub!(/\$ENV_(\w+)/) { ENV[$1] }
+File.open(modified_filename, "w") {|f| f.puts conf_file }
+%x{nginx -c \`pwd\`/#{modified_filename} -g "daemon off;"}