Bug#934491: libelogind0: failing to switch from systemd to sysvinit-core/elogind results in libsystemd.so.0 disappearing
Thorsten Glaser
t.glaser at tarent.de
Tue Aug 13 21:43:30 BST 2019
On Tue, 13 Aug 2019, Adam Borowski wrote:
> The prerm also makes systemd non-removable without uninstalling most packages,
> rebooting, then installing anew. Requiring such a reinstall is pretty much
> RC in by book.
>
> I've reported this before as #930105 but this got insta-closed+downgraded by
Hm ☹ but I just had this crazy idea:
1. Merge elogind into libpam-elogind (not the other way round),
as elogind without libpam-elogind is apparently (see the
other thread) not useful in any way.
2. Make libpam-elogind (which apparently Provides logind) work with
libsystemd0 and not Conflict with systemd, only systemd-sysv.
This means code changes (so it works with either library) and
packaging changes: Depends: libelogind0 (>= …) | libsystemd0 (>= …)
(note libelogind0 is first, for fresh installs)
3. Create a new package elogind which Depends on libelogind0 and
libpam-elogind and Conflicts with systemd, to finish the install.
It probably belongs into Section metapackages and has no content
and can use dh_installdocs --link-doc=libpam-elogind so even its
/usr/share/doc/elogind is just a symlink.
This way, a sequence would look like:
- apt-get install libpam-elogind
⇒ removes libpam-systemd and systemd-sysv
⇒ installs libpam-elogind and sysvinit-core
- reboot
- apt-get install elogind
⇒ removes systemd
⇒ replaces libsystemd0 with libelogind0
If this is not suitable I’m blaming the beer I’ve had with supper.
bye,
//mirabilos
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