Git pre-commit hook: php syntax check

pre-commit

#!/bin/bash

CURRENT_DIR="$(pwd)"
HAS_ERROR=""

for file in $(git status -s | grep -E '^[AMU].*\.php$' | awk '{print $2}' | sort | uniq); do
    if [ "$(php -l $(pwd)/$file 2>&1 | grep 'Parse error')" != "" ]; then
        HAS_ERROR="1"
        echo "Syntax errors found: $file" >&2
    fi
    if [ "$(grep 'var_dump(' $(pwd)/$file 2>&1)" != "" ]; then
        HAS_ERROR="1"
        echo "var_dump() found: $file" >&2
    fi
done

if [ "$HAS_ERROR" != "" ]; then
    echo "Can't commit, fix errors first." >&2
    exit 1
fi

exit 0