#!/usr/bin/env bash
set -e

# Remove .pyc files without corresponding .py files
# to prevent loading stale code.
#
# You can run it automatically on checkout:
#
#     echo ./tools/clean-repo > .git/hooks/post-checkout
#     chmod +x .git/hooks/post-checkout

cd "$(dirname "$0")/.."
find . -name "__pycache__" -prune -exec rm -rf {} \;
for i in $(find . -name "*.pyc"); do
    pyfile="${i%.pyc}.py"
    if [ ! -e "$pyfile" ]; then
        echo "Removing "$i" because source file ("$pyfile") doesn't exist."
        rm "$i"
    fi
done