#!/bin/sh
#
# Prevents debug traces and sensitive data to be commited.
#

# What to search for
FUNCTIONS='var_dump\(|phpinfo\(|print_r\('

# Prevent the commit if something is found.
# default: true
DIEONFAIL=true

if git-rev-parse --verify HEAD >/dev/null 2>&1; then
    against=HEAD
else
    against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
fi

# Redirect output to stderr.
exec 1>&2

for FILE in $(git diff-index --name-status $against -- | cut -c3-) ; do

    if [ "$(egrep -n --regexp="(${FUNCTIONS})" "${FILE}")" ]
    then
        echo "${FILE} contains debug traces!"

        if [ $DIEONFAIL = true ]
        then
            echo "Changes not committed."
            exit 1;
        else
            echo "You may want to clean these up before push these changes."
            exit 0;
        fi
    fi
done

exit 0