Prevent commiting TODO comments with a git hook

pre-commit

#!/usr/bin/env bash

# https://stackoverflow.com/a/7292992

# https://git-scm.com/docs/git-sh-setup
. "$(git --exec-path)/git-sh-setup"


if git diff-index -p -M --cached HEAD -- \
    | grep ^+ \
    | grep --ignore-case TODO
then
    die "Blocking commit because string \`todo\` detected in patch."
fi