Git pre-commit, check coding style

pre-commit.sh

#!/bin/zsh
### $Id:$
###
### Pre-commit hook for VuFind2
###
### Based on Z-Shell, maybe portable bash or sh.
###
### $Log:$
###

error=0

## Stash all unstaged changes
git stash -q --keep-index

for FILE in `git diff --cached --name-only | grep ".php$"`
do
    ## Check coding style
    phpcs --standard=PEAR $FILE
    let "error=$error || $?"
done

## Unstash unstaged
git stash pop -q

exit $error