Checks for changes in composer.json and alerts to update in a post-merge hook

post-merge

#!/bin/sh
#
# To enable this hook, rename this file to "post-merge".

# We could probably run composer update here, but this is safer for now

if git diff --name-only HEAD^1 | grep composer.json >/dev/null
then
	echo ' '
	echo '#############################################################################'
	echo 'Changes made to the composer.json file'
	echo ' '
	echo 'You might need to run "$ php composer.phar update" to get new packages'
	echo 'Changes made:'
	git diff HEAD^1 composer.json
	echo '#############################################################################'
	echo ' '
fi