Serve commit page entirely from the db

templates/commit_hash.html

@@ -2,6 +2,26 @@
 
 {% block title %}{{ summary }}{% endblock %}
 
+{% macro r_class(reachable) %}
+{%- if reachable == 0 -%}
+orphaned
+{%- else if reachable == 1 -%}
+reachable
+{%- else -%}
+tracked
+{%- endif -%}
+{% endmacro %}
+
+{% macro r_title(reachable) %}
+{%- if reachable == 0 -%}
+This commit is orphaned. It can't be reached from any ref.
+{%- else if reachable == 1 -%}
+This commit can only be reached from untracked refs.
+{%- else -%}
+This commit can be reached from a tracked ref.
+{%- endif -%}
+{% endmacro %}
+
 {% block body %}
 <h2>Commit</h2>
 <div class="commit">
@@ -20,20 +40,19 @@
         <dd>{{ commit_date }}</dd>
 
         {% for commit in parents %}
-        <dt>Parent:</dt>
-        <dd><a href="{{ commit.hash }}">{{ commit.description }}</a></dd>
+        <dt class="{% call r_class(commit.reachable) %}" title="{% call r_title(commit.reachable) %}">Parent:</dt>
+        <dd class="{% call r_class(commit.reachable) %}" title="{% call r_title(commit.reachable) %}">
+            <a href="{{ commit.hash }}">{{ commit.description }}</a>
+        </dd>
         {% endfor %}
 
         {% for commit in children %}
-        {% if commit.tracked %}
-        <dt>Child:</dt>
-        <dd><a href="{{ commit.hash }}">{{ commit.description }}</a></dd>
-        {% else %}
-        <dt class="untracked">Child:</dt>
-        <dd class="untracked"><a href="{{ commit.hash }}">{{ commit.description }}</a></dd>
-        {% endif %}
+        <dt class="{% call r_class(commit.reachable) %}" title="{% call r_title(commit.reachable) %}">Child:</dt>
+        <dd class="{% call r_class(commit.reachable) %}" title="{% call r_title(commit.reachable) %}">
+            <a href="{{ commit.hash }}">{{ commit.description }}</a>
+        </dd>
         {% endfor %}
     </dl>
-    <pre class="message">{{ message }}</pre>
+    <pre class="message {% call r_class(reachable) %}" title="{% call r_title(reachable) %}">{{ message }}</pre>
 </div>
 {% endblock %}