Bash command to make a flake8 check for lokal git changes

git-flake

#!/bin/bash

if [[ ! -d .git ]]; then
    echo "This command must be run from the root directory of a git repository."
    exit 1
fi

COMPARE_BRANCH="${1:-development}"

echo "Checking files that have changed between current branch and $COMPARE_BRANCH:"
git diff --name-only $COMPARE_BRANCH | grep '.*\.py' | xargs flake8