# run shellcheck tests
docker run koalaman/shellcheck:stable --version
-docker run --rm -v "$(pwd)":/code koalaman/shellcheck:stable -e SC2181 /code/chroot-script /code/grml-debootstrap
+docker run --rm -v "$(pwd)":/code koalaman/shellcheck:stable -e SC2181 -e SC2001 /code/chroot-script /code/grml-debootstrap
# build Debian package
if [ -z "${TRAVIS:-}" ] ; then