Link to specific commit on workflow page

Author: Mark Robinson

src/main/java/org/commonwl/viewer/web/WorkflowController.java

@@ -84,7 +84,7 @@ public ModelAndView newWorkflowFromGithubURL(@Valid WorkflowForm workflowForm, B
             // Check database for existing workflow
             Workflow workflow = workflowRepository.findByRetrievedFrom(githubInfo);
 
-            // Create a new workflow if we do not have one already or cache has expired
+            // Create a new workflow if we do not have one already
             if (workflow == null) {
                 // New workflow from Github URL
                 workflow = workflowService.newWorkflowFromGithub(githubInfo);

src/main/resources/templates/workflow.html

@@ -98,7 +98,7 @@ <h4 class="modal-title" id="dotGraphLabel">Workflow DOT Graph</h4>
 
 <div class="container">
     <div class="row">
-        <div class="col-md-12" role="main" id="main" th:with="workflowURL=@{'github.com/' + ${workflow.retrievedFrom.owner} + '/' + ${workflow.retrievedFrom.repoName} + '/tree/' + ${workflow.retrievedFrom.branch} + '/' + ${workflow.retrievedFrom.path}}">
+        <div class="col-md-12" role="main" id="main" th:with="workflowURL=@{'github.com/' + ${workflow.retrievedFrom.owner} + '/' + ${workflow.retrievedFrom.repoName} + '/tree/' + ${workflow.retrievedFrom.lastCommit} + '/' + ${workflow.retrievedFrom.path}}">
             <h2>Workflow: <span th:text="${workflow.label}">Workflow Name</span></h2>
             <p>
                 <a th:href="@{'https://' + ${workflowURL}}" href="#" rel="noopener" target="_blank">