Show source URLs on recipe detail page

If we're collecting this useful info we should really display it. Try to
make the link clickable if possible.

At the same time, add the layerbranch to the list display for Source
objects in the admin site.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>

layerindex/models.py

@@ -478,8 +478,23 @@ class Source(models.Model):
     recipe = models.ForeignKey(Recipe)
     url = models.CharField(max_length=255)
 
+    def web_url(self):
+        def drop_dotgit(url):
+            if url.endswith('.git'):
+                url = url[:-4]
+            return url
+        if self.url and self.url.startswith(('http', 'ftp')):
+            return self.url
+        elif self.url.startswith('git://github.com'):
+            return drop_dotgit('https' + self.url[3:])
+        elif self.url.startswith('git://git.yoctoproject.org'):
+            return drop_dotgit('https://git.yoctoproject.org/cgit/cgit.cgi' + self.url[26:])
+        elif self.url.startswith('git://git.kernel.org'):
+            return 'https' + self.url[3:]
+        return None
+
     def __str__(self):
-        return '%s - %s' % (self.recipe.pn, self.url)
+        return '%s - %s - %s' % (self.recipe.layerbranch, self.recipe.pn, self.url)
 
 
 class Patch(models.Model):

templates/layerindex/recipedetail.html

@@ -148,6 +148,21 @@
                     </tbody>
                 </table>
 
+                <h2>Sources</h2>
+                {% if recipe.source_set.exists %}
+                <table class="table table-striped table-bordered">
+                    <tbody>
+                        {% for source in recipe.source_set.all %}
+                        <tr>
+                            <td>{% if source.web_url %}<a href="{{ source.web_url }}">{% endif %}{{ source.url }}{% if source.web_url %}</a>{% endif %}</td>
+                        </tr>
+                        {% endfor %}
+                    </tbody>
+                </table>
+                {% else %}
+                <p>None</p>
+                {% endif %}
+
                 <h2>Patches</h2>
                 {% if recipe.patch_set.exists %}
                 <table class="table table-striped table-bordered">