Git pre-commit hook: Run JSLint for NodeJS projects

pre-commit-jslint

#!/bin/sh

# find node
NODE=$(which node)

# if it cannot find a node installation
if [[ -z $NODE ]]; then
	#NodeJS is not installed
	echo "Please install NodeJS first."
	exit 1
fi

# make sure jslint is installed
if [[ ! -d ./node_modules/jslint ]]; then
	#install jslint locally
	npm install jslint
fi

# run JSLint before every commit, don't commit until
# JSLint is OK
for file in $(git diff --name-only --cached | egrep '.js$');
do
	$NODE ./node_modules/jslint/bin/jslint.js $file
	# If the result of the previous command is NOT zero
	if [ $? -ne 0 ]; then
	 echo "*** ERROR *** : JSLint failed for file: $file, please fix code and recommit"
	 exit 1
	fi
done

# Everything is ok
exit 0

• Place this file under .git/hooks
• The file must be named: pre-commit
• It must be executable: $ chmod a+x .git/hooks/pre-commit