Pre-commit hook para hacer lint de php/js

pre-commit-linter.sh

#!/bin/bash
# esto es un WIP!

PHP_BIN='/usr/local/bin/php'
JSL_BIN='/usr/local/bin/jsl'

echo -e "Revisando sintáxis de PHP..."

if [ "$(echo -e test)" = test ]
then
	echo_e="echo -e"
else
	echo_e="echo"
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

error=0
errors=""

IFS='
'

for line in $(git diff-index --cached --full-index --diff-filter=ACM $against | grep \.php$)
do
  sha=$(echo $line | cut -d' ' -f4)
  temp=$(echo $line | cut -d' ' -f5)
  filename=$(echo $temp | cut -d'	' -f2)
  fn=$(basename "$filename")
  ext="${fn##*.}"
  echo -n "$filename... "
  
  case "$ext" in
    "js") bin=$JSL_BIN;;
    "php") bin="$PHP_BIN -l";;
  esac
  
  result=$(git cat-file -p $sha | "$bin" 2>&1)
  #echo "$result $filename";
	if [ $? -ne 0 ]
	then
		error=1
    stuff=$(echo -e "$result" | grep "^Parse error:" | awk '{split($0,a," in - on line "); print a[2], "-", a[1]}')
    echo "FAIL @$stuff"
		# Swap back in correct filenames
		#errors=$(echo "$errors"; echo "$result" |sed -e "s@in - on@in $filename on@g")
  else
    echo "OK!"
	fi

done


if [ $error -eq 1 ]
then
  echo "Hay errores, no puedo commitear si no se arreglan!"
	exit 1
else
  echo "OK!"
fi