message: Don't inline other scripts
diff: set -e -x
  -BRANCH=$(git symbolic-ref --short HEAD)
  -APP_NAME=ervell-staging
  -S3_BUCKET=ervell-staging
  +export BRANCH=$(git symbolic-ref --short HEAD)
  +export APP_NAME=ervell-staging
  +export S3_BUCKET=ervell-staging
  -# predeploy
  -yarn assets
  -gzip -S .cgz $(find public/assets -name '*.css')
  -gzip -S .jgz $(find public/assets -name '*.js')
  -bucket-assets --bucket $S3_BUCKET
  -heroku config:set ASSET_MANIFEST=$(cat manifest.json) --app=$APP_NAME
  -
  -# deploy
  +yarn predeploy
  git push --force https://git.heroku.com/$APP_NAME.git $BRANCH:master
  