Merge branch 'fail-ci-builds-without-yml' into 'master'

Fail ci builds without yml

Fix for https://gitlab.com/gitlab-org/gitlab-ce/issues/2551

See merge request !1349

CHANGELOG

@@ -43,6 +43,7 @@ v 8.0.0 (unreleased)
   - Retrieving oauth token with LDAP credentials
   - Load Application settings from running database unless env var USE_DB=false
   - Added Drone CI integration (Kirill Zaitsev)
+  - Fail builds if no .gitlab-ci.yml is found
   - Refactored service API and added automatically service docs generator (Kirill Zaitsev)
   - Added web_url key project hook_attrs (Kirill Zaitsev)
   - Add ability to get user information by ID of an SSH key via the API

app/models/ci/commit.rb

@@ -236,7 +236,7 @@ module Ci
     end
 
     def config_processor
-      @config_processor ||= Ci::GitlabCiYamlProcessor.new(push_data[:ci_yaml_file] || project.generated_yaml_config)
+      @config_processor ||= Ci::GitlabCiYamlProcessor.new(push_data[:ci_yaml_file])
     rescue Ci::GitlabCiYamlProcessor::ValidationError => e
       save_yaml_error(e.message)
       nil

spec/services/ci/create_commit_service_spec.rb

@@ -50,6 +50,19 @@ module Ci
         end
       end
 
+      it 'fails commits without .gitlab-ci.yml' do
+        result = service.execute(project,
+                                 ref: 'refs/heads/0_1',
+                                 before: '00000000',
+                                 after: '31das312',
+                                 ci_yaml_file: config,
+                                 commits: [ { message: 'Message' } ]
+        )
+        expect(result).to be_persisted
+        expect(result.builds.any?).to be_falsey
+        expect(result.status).to eq('failed')
+      end
+
       describe :ci_skip? do
         it "skips builds creation if there is [ci skip] tag in commit message" do
           commits = [{ message: "some message[ci skip]" }]