lib/buildkite/builder/pipeline.rb in buildkite-builder-4.4.0 vs lib/buildkite/builder/pipeline.rb in buildkite-builder-4.5.0

@@ -43,23 +43,28 @@
         # Generate the pipeline YAML first.
         contents = to_yaml
 
         upload_artifacts
 
-        # Upload the pipeline.
-        Tempfile.create(['pipeline', '.yml']) do |file|
-          file.sync = true
-          file.write(contents)
+        if data.steps.empty?
+          logger.info "+++ :pipeline: No steps defined, skipping pipeline upload"
+        else
+          # Upload the pipeline.
+          Tempfile.create(['pipeline', '.yml']) do |file|
+            file.sync = true
+            file.write(contents)
 
-          logger.info "+++ :pipeline: Uploading pipeline"
-          unless Buildkite::Pipelines::Command.pipeline(:upload, file.path)
-            logger.info "Pipeline upload failed, saving as artifact…"
-            Buildkite::Pipelines::Command.artifact!(:upload, file.path)
-            abort
+            logger.info "+++ :pipeline: Uploading pipeline"
+            unless Buildkite::Pipelines::Command.pipeline(:upload, file.path)
+              logger.info "Pipeline upload failed, saving as artifact…"
+              Buildkite::Pipelines::Command.artifact!(:upload, file.path)
+              abort
+            end
           end
-          logger.info "+++ :toolbox: Setting job meta-data to #{Buildkite.env.job_id.color(:yellow)}"
-          Buildkite::Pipelines::Command.meta_data!(:set, Builder.meta_data.fetch(:job), Buildkite.env.step_id)
         end
+
+        logger.info "+++ :toolbox: Setting job meta-data to #{Buildkite.env.job_id.color(:yellow)}"
+        Buildkite::Pipelines::Command.meta_data!(:set, Builder.meta_data.fetch(:job), Buildkite.env.step_id)
       end
 
       def to_h
         @pipeline_hash ||= begin
           results = benchmark("\nDone (%s)".color(:springgreen)) do