Net::HTTP patch optional by ENV variable

README.md

@@ -166,6 +166,14 @@ export RACK_MINI_PROFILER_PATCH="false"
 # initializers/rack_profiler.rb: SqlPatches.patch %w(mongo)
 ```
 
+#### Patching Net::HTTP
+
+Other than databases, `rack-mini-profiler` applies a patch to `Net::HTTP`. You may want to disable this patch:
+
+```bash
+export RACK_MINI_PROFILER_PATCH_NET_HTTP="false"
+```
+
 ### Flamegraphs
 
 To generate [flamegraphs](http://samsaffron.com/archive/2013/03/19/flame-graphs-in-ruby-miniprofiler), add the [**stackprof**](https://rubygems.org/gems/stackprof) gem to your Gemfile.

lib/patches/net_patches.rb

@@ -1,26 +1,27 @@
 # frozen_string_literal: true
 
-if (defined?(Net) && defined?(Net::HTTP))
-
-  if defined?(Rack::MINI_PROFILER_PREPEND_NET_HTTP_PATCH)
-    module NetHTTPWithMiniProfiler
-      def request(request, *args, &block)
-        Rack::MiniProfiler.step("Net::HTTP #{request.method} #{request.path}") do
-          super
+if ENV['RACK_MINI_PROFILER_PATCH_NET_HTTP'] != 'false'
+  if (defined?(Net) && defined?(Net::HTTP))
+    if defined?(Rack::MINI_PROFILER_PREPEND_NET_HTTP_PATCH)
+      module NetHTTPWithMiniProfiler
+        def request(request, *args, &block)
+          Rack::MiniProfiler.step("Net::HTTP #{request.method} #{request.path}") do
+            super
+          end
         end
       end
-    end
-    Net::HTTP.prepend(NetHTTPWithMiniProfiler)
-  else
-    Net::HTTP.class_eval do
-      def request_with_mini_profiler(*args, &block)
-        request = args[0]
-        Rack::MiniProfiler.step("Net::HTTP #{request.method} #{request.path}") do
-          request_without_mini_profiler(*args, &block)
+      Net::HTTP.prepend(NetHTTPWithMiniProfiler)
+    else
+      Net::HTTP.class_eval do
+        def request_with_mini_profiler(*args, &block)
+          request = args[0]
+          Rack::MiniProfiler.step("Net::HTTP #{request.method} #{request.path}") do
+            request_without_mini_profiler(*args, &block)
+          end
         end
+        alias request_without_mini_profiler request
+        alias request request_with_mini_profiler
       end
-      alias request_without_mini_profiler request
-      alias request request_with_mini_profiler
     end
   end
 end