toaster: models fall back to a sensible string for no vcs reference

Fall back to a 'n/a' string for the vcs reference, not all our source
has to be in a vcs and therefore it is legitimate for this to be none.

Signed-off-by: Michael Wood <michael.g.wood@intel.com>
Signed-off-by: brian avery <avery.brian@gmail.com>

diff --git a/lib/toaster/orm/models.py b/lib/toaster/orm/models.py
index ac2aa9e469b31340db96b659a7588b578953e202..9c573bf003cf713c11e5aa8883e6d2b6833874c8 100644 (file)
--- a/lib/toaster/orm/models.py
+++ b/lib/toaster/orm/models.py
@@ -1326,7 +1326,7 @@ class Layer_Version(models.Model):
             return self.up_branch.name
         if self.commit is not None and len(self.commit) > 0:
             return self.commit
-        return ("Cannot determine the vcs_reference for layer version %s" % vars(self))
+        return 'N/A'
 
     def get_detailspage_url(self, project_id):
         return reverse('layerdetails', args=(project_id, self.pk))