On Fri, 30 Mar 2018 14:24:27 +0200 Raphael Hertzog <hertzog@debian.org> wrote: > debootstrap can be run on a non-Debian system and should not assume that > apt-config is available. I would suggest to protect this code with > a check of the existence of apt-config. You're right. Then, how about this? if (which apt-config > /dev/null); then .... fi -- Regards, Hideki Yamane henrich @ debian.org/iijmio-mail.jp