Invocation server: add links to blob references in analysis errors

When using a serve endpoint, analysis errors my contain a reference to
a build failure on serve, shown as 'blob <hash>'. For each such blob
reference add a link offering to read this blob.

1 files changed, 8 insertions, 1 deletions

diff --git a/doc/invocations-http-server/templates/invocation.html b/doc/invocations-http-server/templates/invocation.html
index c8d77f58..50d5690a 100644
--- a/doc/invocations-http-server/templates/invocation.html
+++ b/doc/invocations-http-server/templates/invocation.html
@@ -158,7 +158,14 @@ Inocations {{invocation | e}}
 <h2>Analysis errors</h2>
 <ul>
   {% for error in analysis_errors %}
-  <li> <pre>{{ error | e}}</pre></li>
+  <li> <pre>{{ error["msg"] | e}}</pre>
+    {% if error["blobs"] %}
+    Blobs:
+    {% for blob in error["blobs"] %}
+    <a href="/blob/{{ blob | e }}"><tt>{{ blob | e }}</tt></a>
+    {% endfor %}
+    {% endif %}
+  </li>
   {% endfor %}
 </ul>
 {% else %}