Pre commit hook for python projects

pre-commit.sh

#!/bin/sh
CHANGED=`git diff --cached --name-only --diff-filter=ACM | grep ".py"`
if [ -z "$CHANGED" ]; then
    exit 0
fi

# run tests
# TESTS=`py.test ferpection`
# if [ $TESTS -ne 0 ]; then
#     echo "your tests failed"
#     exit 1
# fi

# Check if there is no print in the code
/usr/local/bin/ag --python -1 "\bprint" $CHANGED >/dev/null 2>&1
if [ "$?" -ne "1" ]; then
    echo "There is a print in your code :"
    ag --python --nocolor --noheading print $CHANGED
    exit 1
fi
# Check if the code pass pep8 and pyflakes tests
/usr/local/bin/flake8 --ignore=E501 --count $CHANGED >/dev/null 2>&1
if [ "$?" -ne "0" ]; then
    echo "Your code doesn't pass QA tests :"
    /usr/local/bin/flake8 --ignore=E501 --count $CHANGED
    exit 1
fi