pkg/58131: empty +REQUIRED_BY

[schaecsn%gmx.com@localhost]

>Number:         58131
>Category:       pkg
>Synopsis:       empty +REQUIRED_BY
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Apr 09 15:25:00 +0000 2024
>Originator:     Stefan Schaeckeler
>Release:        pkgsrc-2024Q1
>Organization:
>Environment:
NetBSD netbsd 10.0 NetBSD 10.0 (GENERIC) #0: Thu Mar 28 09:08:09 PDT 2024  root@netbsd:/usr/obj/sys/arch/amd64/compile/GENERIC amd64
>Description:
I have quite a lot of empty +REQUIRED_BY files. That confuses pkg_leave (and perhaps other utilities). How come?

/var/db/pkg$ ls -laSr */+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:26 xpdfopen-0.86nb10/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:08 xetex-0.999996/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  8 21:18 vlna-1.5nb10/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:08 upmendex-1.08/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:08 ttfdump-0.5.5nb11/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:08 ttf2pk-2.0nb12/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:09 sqlite3-3.45.2/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:26 seetexk-20200908nb3/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:47 ruby32-base-3.2.3nb1/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  8 21:18 py311-pspdfutils-3.3.2/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  8 21:18 ps2pkm-1.8nb8/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:07 poppler-utils-24.03.0/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:14 p5-namespace-autoclean-0.29nb4/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:08 p5-Tk-804.035nb3/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:14 p5-Specio-0.48nb1/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:14 p5-Params-ValidationCompiler-0.31nb1/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:10 p5-Package-DeprecationManager-0.18nb1/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:10 p5-Math-Round-0.08/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:08 mendexk-3.6nb2/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 08:08 makejvf-20230917/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:26 lynx-2.8.9.1nb11/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  8 21:18 lcdftypetools-2.110/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:26 gsftopkk-1.19.2nb15/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:26 dvisvgm-2.1.3nb1/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:26 dvipng-1.15nb11/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:26 dviljk-2.6.5nb15/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:26 dvi2tty-6.0.2nb1/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:26 bibtexu-4.02/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:26 bibtex8-4.02/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:46 afm2pl-0.7.1nb10/+REQUIRED_BY
-rw-r--r--  1 root  wheel     0 Apr  9 07:46 abcm2ps-8.13.12nb11/+REQUIRED_BY

>How-To-Repeat:

>Fix: