check for BOM before the build

Author: steveklabnik

.travis.yml

@@ -10,6 +10,8 @@ install:
 - pip install --user awscli
 - ~/.local/bin/aws configure set preview.cloudfront true
 
+before_script: bash tidy.sh
+  
 # Build and deploy the site to the S3 bucket on push to master, unless PR
 script: bundle exec jekyll build
 branches:

tidy.sh

@@ -0,0 +1,3 @@
+git grep -l $'\xEF\xBB\xBF' .
+
+if [ $? -eq 0 ]; then exit 1; else exit 0; fi