#!/bin/bash

COMMAND='flake8'
TEMPDIR=`mktemp -d`

while read oldrev newrev refname; do
    files=`git diff --name-only ${oldrev} ${newrev}`
    for file in ${files}; do
        object=`git ls-tree --full-name -r ${newrev} | egrep "(\s)${file}\$" | awk '{ print $3 }'`
        if [ -z ${object} ]; then continue; fi
        mkdir -p "${TEMPDIR}/`dirname ${file}`" &> /dev/null
        git cat-file blob ${object} > ${TEMPDIR}/${file}
    done;
done

# Change the filename here if your flake8 configuration
# has a different name.
git show HEAD:tox.ini > ${TEMPDIR}/tox.ini
${COMMAND} ${TEMPDIR}
STATUS=$?
rm -rf ${TEMPDIR} &> /dev/null
echo status $STATUS
exit ${STATUS}