Use try for commit prev_commit_id detection

Dmitriy Zaporozhets
1 parent 45b18365
Showing 1 changed file with 2 additions and 2 deletions Show diff stats
app/models/commit.rb
@@ -120,10 +120,10 @@ class Commit
   end
  
   def prev_commit
-    parents.first
+    parents.try :first
   end
  
   def prev_commit_id
-    prev_commit.id
+    prev_commit.try :id
   end
 end