lib/capistrano/notifier/base.rb in capistrano-notifier-0.2.1 vs lib/capistrano/notifier/base.rb in capistrano-notifier-0.2.2

@@ -16,20 +16,20 @@
   def cap
     @cap
   end
 
   def git_current_revision
-    cap.current_revision[0,7] if cap.respond_to? :current_revision
+    cap.current_revision.try(:[], 0,7) if cap.respond_to?(:current_revision)
   end
 
   def git_log
     return unless git_range
 
     `git log #{git_range} --no-merges --format=format:"%h %s (%an)"`
   end
 
   def git_previous_revision
-    cap.previous_revision[0,7] if cap.respond_to? :previous_revision
+    cap.previous_revision.try(:[], 0,7) if cap.respond_to?(:previous_revision)
   end
 
   def git_range
     return unless git_previous_revision && git_current_revision