Bug#1056628: udhcpc: file loss during upgrade due to Multi-Arch: same interacting with /usr-merge

[Michael Tokarev <mjt@tls.msk.ru>]

24.11.2023 02:27, Helmut Grohne:
> Package: udhcpc
> Version: 1:1.36.1-6~exp.1
> Severity: normal
> User: helmutg@debian.org
> Usertags: dep17p7
>
> Hi Chris,
>
> thanks for sitting down with me and doing this /usr-move. We aimed to be
> careful and upload to experimental. Now dumat doesn't like your upload.
> I'm trying to figure out why and whether this is an analyzer bug or a
> real problem, so please do not move busybox to unstable for the time
> bing.
>
> What follows is details that you may skip entirely, but figured I better
> write them down for my future self. So dumat figured that udhcpc is
> Multi-Arch: same in bookworm and /sbin/udhcpc is a shared file. Then the
> experimental package contains /usr/sbin/udhcpc. In theory, this could
> result in a loss scenario, because you can install udhcpc for two
> architecture in bookworm, ...

Helmut, udhcp is arch-all package.  You can't install two arch-all
packages at the same time..

I think we've been there before.  [/usr]/sbin/udhcpc is just a symlink
to [/usr]/bin/busybox.

/mjt