#!/bin/bash
# stolen from https://gist.github.com/Gethe/bbcc180770eb9edeebaf83c96844c5df

# copy file to .git/hooks/pre-commit
# needs bash and luacheck installed

exitCode=
for file in $(git diff --cached --name-only | grep -E '\.lua$'); do
    # we only want to check the staged changes, not any un-staged changes
    if [[ -f "$file" ]]; then
        luacheck "$file" --formatter plain
    fi

    if [[ $? -eq 1 ]]; then
        # we want to go through all files before we exit, so just store it for now
        exitCode=1
    fi
done

exit $exitCode