Bug#934491: libelogind0: failing to switch from systemd to sysvinit-core/elogind results in libsystemd.so.0 disappearing

[Simon McVittie]

On Thu, 15 Aug 2019 at 18:34:39 +0200, Thorsten Glaser wrote:
> On Thu, 15 Aug 2019, Mark Hindley wrote:
> > Can you point me to any official documentation that says packages
> > should not depend on systemd-sysv?
> 
> No, but why should they?

For documentation value, if nothing else: it's a way to say "this package
genuinely does need systemd as pid 1, and won't work without it".

> It does not guarantee that systemd is the currently-running init,
> nor that this will be so at the next boot.

No, and it's imperfect for those reasons; but for this not to be the
case, you have to override the init system in ways that you will hopefully
remember that you have done.

    smcv