ignition/butane-watch.sh

#!/bin/sh
# vim: set sw=4 ts=4 sts=4 et :

inotifywait -e CLOSE_WRITE -m . \
    | stdbuf -o 0 grep -F .yaml \
    | while read _ _ f; do
        printf 'Regenerating %s from %s ...\n' "${f%.yaml}.ign" "${f}"
        butane -d . ${f} > ${f%.yaml}.ign
    done