systemd for 11.10 ?

[Martin Pitt]

Steve Langasek [2011-05-09 12:36 +0200]:
> It's one thing to have a rollback plan for which desktop experience is
> shipped by default; that touches a handful of closely related packages.
> It's quite another to try to roll back an init system change, which touches
> every single package that's involved with system startup and requires
> changes across a very broad set of foundations, desktop, and server
> packages.

If we should ever do the migration to systemd, then we should
certainly not drop the upstart integration/jobs along the way, but
keep both upstart and systemd jobs in the packages for a while (at
least until the next LTS), so that you can switch between the two with
the init= kernel parameter (that's in fact how you can test systemd on
Debian/Ubuntu/everywhere else today).  Then rolling back is by and
large just a seed change, and perhaps flipping back an option in grub.

This would even allow us to do things like installing systemd for new
installs, but keeping upstart for upgrades until there is a transition
plan for how to deal with custom upstart jobs that administrators
created (which seems to be the most difficult thing to handle in the
transition).

Martin

-- 
Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)
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