[Pkg-swan-devel] Bug#1109510: strongswan: fails to dist-upgrade from bookworm to trixie

[Yves-Alexis Perez]

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On Mon, 2025-07-21 at 18:12 +0200, Jochen Sprickerhof wrote:
> > I have no idea why apt doesn't want to 'change charon-systemd:amd64'.
> 
> The problem is that bookworm apt prefers keeping strongswan-charon 
> installed over other solutions. This is described in:
> 
> https://wiki.debian.org/RenamingPackages
> 
> So strongswan-charon would need to become a transitional dummy package 
> that depend on charon-systemd and the maintainer scripts should take 
> care of transitioning the configuration files. The Conflicts: can also 
> be dropped then.
> 
> Feel free to ask if you need more explanation.

Hi Jochen, thanks but it's not a case of renaming packages.

Both strongswan-charon and charon-systemd exist in Bookworm and Trixie. Both
are working and can be installed if the users choses so. They fill the same
role (they include an IKE daemon for setting up IPsec tunnels) but
differently.

strongswan-charon is the "historical" (legacy) charon daemon, which is beeing
phased out in favor of charon-systemd. That's why we updated the dependency
for the strongswan metapackage. We recommend people to migrate to the new
daemon, and for new install that'll be the case. For old installations one
could actually wonder if we should actually migrate, but in any case we would
still want to actually upgrade the packages.

So I'm not sure how to express that in apt relationships.

Regards,
- -- 
Yves-Alexis
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