#!/bin/bash

# Hook for git which can test code for each commit.
# To install and use it just copy or symlink it to .git/hooks/pre-commit
# example (project base dir): pushd .git/hooks/; ln -s ../../scripts/hooks/pre-commit .; popd

if [ -e "php-cs-fixer.phar" ]
then
    PHPCSFIXER="php php-cs-fixer.phar"
elif hash php-cs-fixer
then
    PHPCSFIXER="php-cs-fixer"
else
    echo -e "\e[1;31mPlease install or download latest stable php-cs-fixer\e[00m";
    echo -e "\e[1;31mhttp://cs.sensiolabs.org/\e[00m";
    exit 1
fi

if git rev-parse --verify HEAD >/dev/null 2>&1
then
	against=HEAD
else
	# Initial commit: diff against an empty tree object
	against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
fi

ST=0 # Global exit status

# Loop through all committed files
for file in $(git diff-index --name-only --diff-filter=AMCRT $against); do
	echo -n "testing $file..."

	FIXEROUT=$($PHPCSFIXER fix --config-file=.php_cs --dry-run --diff -v "$file" | grep -P '\d\)' | sed -r "s~^.*?${file} ~~"; exit ${PIPESTATUS[0]})
	FIXERST=$?

	PARSEROUT=$(php --syntax-check "$file" 2>&1 | egrep -v 'No syntax errors|Errors parsing'; exit ${PIPESTATUS[0]})
	PARSERST=$?

	echo -e -n "\r${file} ... "
	if [ $FIXERST != 0 ]; then
		echo $FIXEROUT
	elif [ $PARSERST != 0 ]; then
		echo $PARSEROUT
	else
		echo -e "\e[0;32mOK\e[00m           ";
	fi
	ST=$(($ST | $FIXERST | $PARSERST))
done

if [ $ST != 0 ]; then
	echo "Use 'php-cs-fixer fix --config-file=.php_cs -v <file>' to correct"
fi

exit $ST