git hook to check python syntax before committing Raw

pre-commit

#!/bin/bash
# This script check that the .py files that
# you're about to commit are syntactically valid

# Might want to check with a specific python binary
PYTHON=python

exit_status=0
for file in $(git diff --cached --name-only --diff-filter=ACM | grep -e '\.py$')
do
	# If the file differs from the index, we need to check out
	# the index in a different physical file
	# (syntax check won't work correctly on stdin for packages)
	work_status=$(git status --porcelain "$file" | cut -b 2)
	if [ "$work_status" != " " ]; then
		git show :"$file" > "$file.pycommit" 
		$PYTHON -m py_compile "$file.pycommit"
		compile_status=$?
		rm "$file.pycommit"
	else
		# otherwise simply check the file as-is
		$PYTHON -m py_compile "$file"
		compile_status=$?
	fi

	if [ $compile_status -ne 0 ]; then
		exit_status=1
	fi
	
	# contiue with other files to display all problems in the first attempt

done
exit $exit_status

thanks, works perfectly :3