Consider data migration as pending migration

lib/obs_deploy/check_diff.rb

@@ -49,6 +49,12 @@ def migrations
       GitDiffParser.parse(github_diff).files.select { |f| f =~ %r{db/migrate} }
     end
 
+    def data_migrations
+      return [] unless data_migration?
+
+      GitDiffParser.parse(github_diff).files.select { |f| f =~ %r{db/data} }
+    end
+
     def package_url
       URI("#{@server}/public/build/#{@project}/#{@product}/x86_64/obs-server")
     end

lib/obs_deploy/cli/commands/get_pending_migration.rb

@@ -18,12 +18,14 @@ def call(url:, targeturl:, ignore_certificate:, **)
           end
 
           migrations = ObsDeploy::CheckDiff.new(server: url, target_server: targeturl).migrations
+          data_migrations = ObsDeploy::CheckDiff.new(server: url, target_server: targeturl).data_migrations
 
-          if migrations.empty?
+          if migrations.empty? && data_migrations.empty?
             puts 'No pending migrations'
             exit(0)
           else
-            puts migrations
+            puts migrations if migrations
+            puts data_migrations if data_migrations
             exit(1)
           end
         end

spec/check_diff_spec.rb

@@ -140,4 +140,40 @@
       end
     end
   end
+
+  describe '#data_migrations' do
+    subject { check_diff.data_migrations }
+
+    context 'no pending data migration' do
+      let(:diff_url) { "https://github.com/openSUSE/open-build-service/compare/#{running_commit}...#{package_commit}.diff" }
+      let(:fixture_file) { File.new('spec/fixtures/github_diff_without_migration.txt') }
+      let(:running_commit) { 'bc7f6c0' }
+      let(:package_commit) { '554e943' }
+      before do
+        allow(check_diff).to receive(:obs_running_commit).and_return(running_commit)
+        allow(check_diff).to receive(:package_commit).and_return(package_commit)
+        stub_request(:get, diff_url).to_return(fixture_file)
+      end
+
+      it { expect(check_diff.github_diff).not_to be_empty }
+      it { expect(check_diff.data_migration?).to be false }
+    end
+
+    context 'data is present' do
+      let(:diff_url) { "https://github.com/openSUSE/open-build-service/compare/#{running_commit}...#{package_commit}.diff" }
+      before do
+        allow(check_diff).to receive(:obs_running_commit).and_return(running_commit)
+        allow(check_diff).to receive(:package_commit).and_return(package_commit)
+        stub_request(:get, diff_url).to_return(fixture_file)
+      end
+
+      context 'pending data migration' do
+        let(:fixture_file) { File.new('spec/fixtures/github_diff_with_data_migration.txt') }
+        let(:data_migration_file) { 'db/data/20200424080753_generate_web_notifications.rb' }
+        let(:running_commit) { '2392177' }
+        let(:package_commit) { '8c6783b' }
+        it { expect(subject.first).to include(data_migration_file) }
+      end
+    end
+  end
 end