lib/paratrooper/pending_migration_check.rb in paratrooper-2.3.0 vs lib/paratrooper/pending_migration_check.rb in paratrooper-2.4.0

@@ -9,15 +9,21 @@
       self.match_tag_name = match_tag_name
       self.system_caller  = system_caller
     end
 
     def migrations_waiting?
-      call = %Q[git diff --shortstat #{last_deployed_commit} #{match_tag_name} -- db/migrate]
-      self.diff = system_caller.execute(call)
-      !diff.strip.empty?
+      @migrations_waiting ||= check_for_pending_migrations
     end
 
     def last_deployed_commit
       @last_deploy_commit ||= heroku.last_deploy_commit
+    end
+
+    private
+
+    def check_for_pending_migrations
+      call = %Q[git diff --shortstat #{last_deployed_commit} #{match_tag_name} -- db/migrate]
+      self.diff = system_caller.execute(call)
+      !diff.strip.empty?
     end
   end
 end