Respect needs for artifacts

When `needs:` is defined, the value of it is
not respected when returning a list of artifacts
to the runner from the job.

app/models/ci/build.rb

@@ -715,18 +715,14 @@ module Ci
       depended_jobs = depends_on_builds
-      # find all jobs that are dependent on
-      if options[:dependencies].present?
-        depended_jobs = depended_jobs.select do |job|
-          options[:dependencies].include?(job.name)
-        end
+      # find all jobs that are needed
+      if Feature.enabled?(:ci_dag_support, project) && needs.exists?
+        depended_jobs = depended_jobs.where(name: needs.select(:name))
       end
-      # find all jobs that are needed by this one
-      if options[:needs].present?
-        depended_jobs = depended_jobs.select do |job|
-          options[:needs].include?(job.name)
-        end
+      # find all jobs that are dependent on
+      if options[:dependencies].present?
+        depended_jobs = depended_jobs.where(name: options[:dependencies])
       end
       depended_jobs

spec/models/ci/build_spec.rb

@@ -630,12 +630,17 @@ describe Ci::Build do
         create(:ci_build,
           pipeline: pipeline, name: 'final',
           stage_idx: 3, stage: 'deploy', options: {
-            dependencies: dependencies,
-            needs: needs
+            dependencies: dependencies
           }
         )
       end
+      before do
+        needs.to_a.each do |need|
+          create(:ci_build_need, build: final, name: need)
+        end
+      end
+
       subject { final.dependencies }
       context 'when depedencies are defined' do
@@ -648,6 +653,14 @@ describe Ci::Build do
         let(:needs) { %w(build rspec staging) }
         it { is_expected.to contain_exactly(build, rspec_test, staging) }
+
+        context 'when ci_dag_support is disabled' do
+          before do
+            stub_feature_flags(ci_dag_support: false)
+          end
+
+          it { is_expected.to contain_exactly(build, rspec_test, rubocop_test, staging) }
+        end
       end
       context 'when needs and dependencies are defined' do