From 7330db33df73dbb204d362253668436cb5caa7b3 Mon Sep 17 00:00:00 2001
From: Tom Clegg <tom@curoverse.com>
Date: Sat, 1 Feb 2014 16:06:33 -0800
Subject: [PATCH] Fix crash when component has missing attributes (e.g., no job
 was run).

refs #1978
---
 apps/workbench/app/views/pipeline_instances/compare.html.erb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/apps/workbench/app/views/pipeline_instances/compare.html.erb b/apps/workbench/app/views/pipeline_instances/compare.html.erb
index cf1aa5f28b..08128a1179 100644
--- a/apps/workbench/app/views/pipeline_instances/compare.html.erb
+++ b/apps/workbench/app/views/pipeline_instances/compare.html.erb
@@ -48,6 +48,8 @@
               <% unless key=='output' and pj[:result] != 'complete' %>
               <% val = pj[key.to_sym] || pj[:job].andand[key.to_sym] %>
               <% link_name = case
+                 when !val
+                   val = ''
                  when key == 'script_version' && val.match(/^[0-9a-f]{7,}$/)
                    val = val[0..7] # TODO: leave val alone, make link_to handle git commits
                  when key == 'output'
-- 
2.39.5