script/release in github-pages-health-check-1.18.0 vs script/release in github-pages-health-check-1.18.1

@@ -29,13 +29,13 @@
 
 # Make sure we haven't released this version before.
 
 git fetch -t origin
 
-# (git tag -l | grep -q "$tag") && {
-#   echo "Whoops, there's already a '${tag}' tag."
-#   exit 1
-# }
+(git tag -l | grep -q "$tag") && {
+  echo "Whoops, there's already a '${tag}' tag."
+  exit 1
+}
 
 # Tag it and bag it.
 
 gem push github-pages-health-check-*.gem && git tag "$tag" &&
   git push origin master && git push origin "$tag"