func readWorkflow()

in workflow.go [846:886]

• 35 lines of code
• 14 McCabe index (conditional complexity)

func readWorkflow(file string, w *Workflow) (derr DError) {
	data, err := ioutil.ReadFile(file)
	if err != nil {
		return newErr("failed to read workflow file", err)
	}

	w.workflowDir, err = filepath.Abs(filepath.Dir(file))
	if err != nil {
		return newErr("failed to get absolute path of workflow file", err)
	}

	if err := json.Unmarshal(data, &w); err != nil {
		return newErr("failed to unmarshal workflow file", JSONError(file, data, err))
	}

	if w.OAuthPath != "" && !filepath.IsAbs(w.OAuthPath) {
		w.OAuthPath = filepath.Join(w.workflowDir, w.OAuthPath)
	}

	for name, step := range w.Steps {
		step.name = name
		step.w = w

		if step.SubWorkflow != nil &&
			step.SubWorkflow.Path != "" &&
			!hasVariableDeclaration(step.SubWorkflow.Path) {
			step.SubWorkflow.Workflow, derr = w.NewSubWorkflowFromFile(step.SubWorkflow.Path)
		} else if step.IncludeWorkflow != nil &&
			step.IncludeWorkflow.Path != "" &&
			!hasVariableDeclaration(step.IncludeWorkflow.Path) {
			step.IncludeWorkflow.Workflow, derr = w.NewIncludedWorkflowFromFile(step.IncludeWorkflow.Path)
		} else {
			continue
		}
		if derr != nil {
			return derr
		}
	}

	return nil
}