Subject: Re: [PATCH 2/7] tests: Add tests for "guix pack".

From: Danny Milosavljevic <[email-masked]>
Date: Fri, 16 Mar 2018 22:07:32 +0100

> +is_available () {
> +    # Use the "type" shell builtin to see if the program is on PATH.
> +    type "$1"

Maybe >/dev/null ?  Then it would only complain if it needed to.

> +else
> +    echo "skipping pack verification because chroot or unshare is unavailable"

echo "warning: Skipping pack verification because chroot or unshare is unavailable" >&2

Otherwise LGTM!