Travis CI to update websites via FTP by thinking it's a Node.js app

.travis.yml

language: node_js
node_js:
  - "0.11"
# whitelist
branches:
  only:
    - master
env:
  global:
  - secure: h6i/QFDLprVJe7u/ZT...
  - secure: CeolZiNWmqNp03j2bF...
after_success:
  - ./deploy.sh 

deploy.sh

#!/bin/bash
gitLastCommit=$(git show --summary --grep="Merge pull request")
if [[ -z "$gitLastCommit" ]]
then
	lastCommit=$(git log --format="%H" -n 1)
else
	echo "We got a Merge Request!"
	#take the last commit and take break every word into an array
	arr=($gitLastCommit)
	#the 5th element in the array is the commit ID we need. If git log changes, this breaks. :(
	lastCommit=${arr[4]}
fi
echo $lastCommit

filesChanged=$(git diff-tree --no-commit-id --name-only -r $lastCommit)
if [ ${#filesChanged[@]} -eq 0 ]; then
    echo "No files to update"
else
    for f in $filesChanged
	do
		#do not upload these files that aren't necessary to the site
		if [ "$f" != ".travis.yml" ] && [ "$f" != "deploy.sh" ] && [ "$f" != "test.js" ] && [ "$f" != "package.json" ]
		then
	 		echo "Uploading $f"
	 		curl --ftp-create-dirs -T $f -u $FTP_USER:$FTP_PASS ftp://bourbonpursuit.com/$f
		fi
	done
fi

package.json

{
  "name": "mywebsite.com",
  "description": "my website",
  "version": "0.0.1",
  "scripts": {
    "test": "node test.js"
  }
}

test.js

console.log('Nothing to see here...');