maintainer-feedback requested: [Bug 252119] ports-mgmt/pkg 1.16 outputs "(null)" for "pkg audit -q" when no vulnerable packages are installed

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Bugzilla Automation <bugzilla at FreeBSD.org> has asked freebsd-pkg (Nobody)
<pkg at FreeBSD.org> for maintainer-feedback:
Bug 252119: ports-mgmt/pkg 1.16 outputs "(null)" for "pkg audit -q" when no
vulnerable packages are installed
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252119



--- Description ---
Hello

After upgrading pkg to 1.16 all my monitoring for vulnerable packages started
making noise.

Before pkg 1.16 "pkg audit -q" would not output anything if no packages were
vulnerable, and would output one line per vulnerable package otherwise. I use
this in a simple script to keep an eye on things.

After pkg 1.16 it outputs the string "(null)" to stdout when no vulnerable
packages are installed, meaning my monitoring now says that I have 1 vulnerable
package everywhere :)