Only schedule worker on GL.com

So it does not get scheduled on self-managed
instances.

config/initializers/1_settings.rb

@@ -544,9 +544,12 @@ Settings.cron_jobs['schedule_merge_request_cleanup_refs_worker']['job_class'] =
 Settings.cron_jobs['manage_evidence_worker'] ||= Settingslogic.new({})
 Settings.cron_jobs['manage_evidence_worker']['cron'] ||= '0 * * * *'
 Settings.cron_jobs['manage_evidence_worker']['job_class'] = 'Releases::ManageEvidenceWorker'
-Settings.cron_jobs['namespaces_in_product_marketing_emails_worker'] ||= Settingslogic.new({})
-Settings.cron_jobs['namespaces_in_product_marketing_emails_worker']['cron'] ||= '0 9 * * *'
-Settings.cron_jobs['namespaces_in_product_marketing_emails_worker']['job_class'] = 'Namespaces::InProductMarketingEmailsWorker'
+
+Gitlab.com do
+  Settings.cron_jobs['namespaces_in_product_marketing_emails_worker'] ||= Settingslogic.new({})
+  Settings.cron_jobs['namespaces_in_product_marketing_emails_worker']['cron'] ||= '0 9 * * *'
+  Settings.cron_jobs['namespaces_in_product_marketing_emails_worker']['job_class'] = 'Namespaces::InProductMarketingEmailsWorker'
+end
 
 Gitlab.ee do
   Settings.cron_jobs['analytics_devops_adoption_create_all_snapshots_worker'] ||= Settingslogic.new({})

lib/gitlab.rb

@@ -48,6 +48,10 @@ module Gitlab
     Gitlab.config.gitlab.url == COM_URL || gl_subdomain?
   end
 
+  def self.com
+    yield if com?
+  end
+
   def self.staging?
     Gitlab.config.gitlab.url == STAGING_COM_URL
   end

spec/lib/gitlab_spec.rb

@@ -95,6 +95,26 @@ RSpec.describe Gitlab do
     end
   end
 
+  describe '.com' do
+    subject { described_class.com { true } }
+
+    before do
+      allow(described_class).to receive(:com?).and_return(gl_com)
+    end
+
+    context 'when on GitLab.com' do
+      let(:gl_com) { true }
+
+      it { is_expected.to be true }
+    end
+
+    context 'when not on GitLab.com' do
+      let(:gl_com) { false }
+
+      it { is_expected.to be_nil }
+    end
+  end
+
   describe '.staging?' do
     subject { described_class.staging? }