isort and autopep8 code format script when jenkins build

formatter.sh

#!/bin/sh

cd ${WORKSPACE}

BRANCH=`echo ${GIT_BRANCH} | cut -d'/' -f2`
git checkout ${BRANCH}
git pull origin ${BRANCH}
git submodule sync > /dev/null && git submodule -i > /dev/null

for FILE in `git diff --name-only ${GIT_PREVIOUS_COMMIT} ${GIT_COMMIT} | grep "py$"`; do
  autopep8 -i ${FILE}
  isort ${FILE}
end

CHANGES=$(`git st -s | grep '^ M' | cut -d' ' -f3)
if [ ${CHANGES} -eq 0 ]; then
  echo "Not Change."
  exit 0
fi

git commit -am "isort and autopep8."
git push origin ${BRANCH}