Make email display name configurable

CHANGELOG

@@ -34,6 +34,7 @@ v 7.9.0 (unreleased)
   - Automatically link commit ranges to compare page: sha1...sha4 or sha1..sha4 (includes sha1 in comparison)
   - Move groups page from profile to dashboard
   - Starred projects page at dashboard
+  - Make email display name configurable
 
 v 7.8.2
   - Fix service migration issue when upgrading from versions prior to 7.3

app/mailers/notify.rb

@@ -53,7 +53,7 @@ class Notify < ActionMailer::Base
   # The default email address to send emails from
   def default_sender_address
     address = Mail::Address.new(Gitlab.config.gitlab.email_from)
-    address.display_name = "GitLab"
+    address.display_name = Gitlab.config.gitlab.email_display_name
     address
   end
 

config/gitlab.yml.example

@@ -43,6 +43,7 @@ production: &base
     # email_enabled: true
     # Email address used in the "From" field in mails sent by GitLab
     email_from: example@example.com
+    email_display_name: GitLab
 
     # Email server smtp settings are in config/initializers/smtp_settings.rb.sample
 

config/initializers/1_settings.rb

@@ -102,6 +102,7 @@ Settings.gitlab['relative_url_root'] ||= ENV['RAILS_RELATIVE_URL_ROOT'] || ''
 Settings.gitlab['protocol']   ||= Settings.gitlab.https ? "https" : "http"
 Settings.gitlab['email_enabled'] ||= true if Settings.gitlab['email_enabled'].nil?
 Settings.gitlab['email_from'] ||= "gitlab@#{Settings.gitlab.host}"
+Settings.gitlab['email_display_name'] ||= "GitLab"
 Settings.gitlab['url']        ||= Settings.send(:build_gitlab_url)
 Settings.gitlab['user']       ||= 'git'
 Settings.gitlab['user_home']  ||= begin

spec/mailers/notify_spec.rb

@@ -5,6 +5,7 @@ describe Notify do
   include EmailSpec::Matchers
   include RepoHelpers
 
+  let(:gitlab_sender_display_name) { Gitlab.config.gitlab.email_display_name }
   let(:gitlab_sender) { Gitlab.config.gitlab.email_from }
   let(:recipient) { create(:user, email: 'recipient@example.com') }
   let(:project) { create(:project) }
@@ -23,7 +24,7 @@ describe Notify do
   shared_examples 'an email sent from GitLab' do
     it 'is sent from GitLab' do
       sender = subject.header[:from].addrs[0]
-      expect(sender.display_name).to eq('GitLab')
+      expect(sender.display_name).to eq(gitlab_sender_display_name)
       expect(sender.address).to eq(gitlab_sender)
     end
   end