Add description as hovertext for tags

Author: JelteF

pgcommitfest/commitfest/templates/commitfest.html

@@ -62,9 +62,8 @@ <h3>{{p.is_open|yesno:"Active patches,Closed patches"}}</h3>
    <td><span class="label label-{{p.status|patchstatuslabel}}">{{p.status|patchstatusstring}}</span></td>
    <td style="width: min-content;">
     {%for t in p.tag_ids%}
-
      <a href="?tag={{t}}">
-      <span class="label" style="background: {{all_tags|tagcolor:t}};">{{all_tags|tagname:t}}</span>
+      <span class="label" style="background: {{all_tags|tagcolor:t}};" title="{{all_tags|tagdescription:t}}">{{all_tags|tagname:t}}</span>
      </a>
     {%endfor%}
    </td>

pgcommitfest/commitfest/templatetags/commitfest.py

@@ -56,6 +56,19 @@ def tagname(value, arg):
     return value[arg].name
 
 
+@register.filter(name="tagdescription")
+def tagdescription(value, arg):
+    """
+    Looks up a tag by ID and returns its name. The filter value is the map of
+    tags, and the argument is the ID. (Unlike tagcolor, there is no
+    argument-less variant; just use tag.name directly.)
+
+    Example:
+      tag_map|tagname:tag_id
+    """
+    return value[arg].description
+
+
 @register.filter(name="tagcolor")
 def tagcolor(value, key=None):
     """