diff --git a/scripts/release b/scripts/release
index ad6fa74..2615c8e 100755
--- a/scripts/release
+++ b/scripts/release
@@ -27,6 +27,15 @@ then
   exit 1
 fi
 
+echo "$ eslint --quiet src"
+eslint --quiet src
+
+if [ $? -ne 0 ]
+then
+  echo >&2 "Looks like there are linting errors. Make sure all errors are cleaned-up and run this script again."
+  exit 1
+fi
+
 echo "Existing releases:"
 git tag -l
 
@@ -42,6 +51,12 @@ rm package.json.bak
 sed -i.bak -E "s/\"version\": \"[0-9]+\.[0-9]+\.[0-9]+\"/\"version\": \"$version\"/" bower.json
 rm bower.json.bak
 
+read -p "Are you sure you want to release v$version? (yes/no) " confirm
+if [ $confirm != "yes" ]
+then
+  exit 0
+fi
+
 echo "$ git add ."
 git add .
 echo "$ git commit -a -m \"Release v$version.\""
diff --git a/src/.eslintrc b/src/.eslintrc
index 0a87f12..4ec916a 100644
--- a/src/.eslintrc
+++ b/src/.eslintrc
@@ -51,6 +51,7 @@
     "no-sequences": 2,
     "no-undef": 2,
     "no-unused-expressions": 2,
+    "no-unused-vars": 2,
     "no-void": 2,
     "no-warning-comments": 1,
     "no-with": 2,