Don't overwrite ip_address if already set on user

CHANGELOG.md

@@ -1,5 +1,10 @@
 ## Unreleased
 
+### Bug Fixes
+
+- Don't overwrite `ip_address` if already set on `user` [#2350](https://github.com/getsentry/sentry-ruby/pull/2350)
+  - Fixes [#2347](https://github.com/getsentry/sentry-ruby/issues/2347)
+
 ### Internal
 
 - Use Concurrent.usable_processor_count when it is available ([#2339](https://github.com/getsentry/sentry-ruby/pull/2339))

sentry-ruby/lib/sentry/event.rb

@@ -104,9 +104,7 @@ def rack_env=(env)
       unless request || env.empty?
         add_request_interface(env)
 
-        if @send_default_pii
-          user[:ip_address] = calculate_real_ip_from_rack(env)
-        end
+        user[:ip_address] ||= calculate_real_ip_from_rack(env) if @send_default_pii
 
         if request_id = Utils::RequestId.read_from(env)
           tags[:request_id] = request_id

sentry-ruby/spec/sentry/event_spec.rb

@@ -141,6 +141,12 @@
         expect(event.to_hash[:user][:ip_address]).to eq("2.2.2.2")
       end
 
+      it "doesn't overwrite already set ip address" do
+        Sentry.set_user({ ip_address: "3.3.3.3" })
+        Sentry.get_current_scope.apply_to_event(event)
+        expect(event.to_hash[:user][:ip_address]).to eq("3.3.3.3")
+      end
+
       context "with config.trusted_proxies = [\"2.2.2.2\"]" do
         before do
           Sentry.configuration.trusted_proxies = ["2.2.2.2"]