include contributions from forked projects on profile calendar

CHANGELOG

 Please view this file on the master branch, on stable branches it's out of date.
 
 v 8.6.0 (unreleased)
+  - Contributions to forked projects are included in calendar
 
 v 8.5.0
   - Fix duplicate "me" in tooltip of the "thumbsup" awards Emoji (Stan Hu)

app/controllers/users_controller.rb

@@ -57,7 +57,7 @@ class UsersController < ApplicationController
 
   def contributions_calendar
     @contributions_calendar ||= Gitlab::ContributionsCalendar.
-      new(contributed_projects.reject(&:forked?), @user)
+      new(contributed_projects, @user)
   end
 
   def load_events

spec/controllers/users_controller_spec.rb

@@ -41,6 +41,7 @@ describe UsersController do
   end
 
   describe 'GET #calendar' do
+
     it 'renders calendar' do
       sign_in(user)
 
@@ -48,6 +49,23 @@ describe UsersController do
 
       expect(response).to render_template('calendar')
     end
+
+    context 'forked project' do
+      let!(:project) { create(:project) }
+      let!(:forked_project) { Projects::ForkService.new(project, user).execute }
+
+      before do
+        sign_in(user)
+        project.team << [user, :developer]
+        EventCreateService.new.push(project, user, [])
+        EventCreateService.new.push(forked_project, user, [])
+      end
+
+      it 'includes forked projects' do
+        get :calendar, username: user.username
+        expect(assigns(:contributions_calendar).projects.count).to eq(2)
+      end
+    end
   end
 
   describe 'GET #calendar_activities' do