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Groups > linux.debian.bugs.dist > #1148838

Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var

From Simon McVittie <smcv@debian.org>
Newsgroups linux.debian.bugs.dist, linux.debian.policy
Subject Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var
Date 2023-06-06 13:10 +0200
Message-ID <GDCJz-e2F5-3@gated-at.bofh.it> (permalink)
References (6 earlier) <z5caR-7gO-3@gated-at.bofh.it> <GCWAF-dCFN-9@gated-at.bofh.it> <GDCJz-e2F5-5@gated-at.bofh.it> <z5caR-7gO-3@gated-at.bofh.it> <GDCJz-e2F5-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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On Tue, 06 Jun 2023 at 11:37:51 +0100, Sean Whitton wrote:
> On Sun 04 Jun 2023 at 02:56PM +01, Simon McVittie wrote:
> > Another possible mitigation which I haven't previously seen proposed
> > is giving *elogind* a Depends or Recommends on systemd-*-standalone.
> > I think that would work to mitigate the failure mode with (1.) and (B.),
> > and the installed-size argument seems less interesting here because the
> > sort of systems that require elogind are already much larger anyway.
> > Would the elogind maintainers be willing to consider this? Does anyone
> > see a reason why it wouldn't work?
> 
> So to confirm, you think that if the elogind maintainers did this, then
> default-systemd-tmpfiles could point at systemd rather than
> systemd-standalone-tmpfiles, which the systemd maintainers prefer, but
> in addition, there aren't any scenarios in which people's systems are
> likely to be re-arranged when they don't want them to be?

Exactly. My hope is that if we had:

    Package: systemd
    Architecture: linux-any
    Provides: default-systemd-tmpfiles, systemd-tmpfiles
    Conflicts: systemd-tmpfiles
    Replaces: systemd-tmpfiles

    Package: systemd-standalone-tmpfiles
    Architecture: linux-any
    Provides: systemd-tmpfiles
    Conflicts: systemd-tmpfiles
    Replaces: systemd-tmpfiles

    Package: elogind
    Depends: systemd-standalone-tmpfiles        # or Recommends?

    Package: foo-service     # any package that requires tmpfiles.d(5)
    Depends: default-systemd-tmpfiles | systemd-tmpfiles

    # optionally, if someone does the work
    Package: openrc-tmpfiles                    # any other implementation
    Architecture: hurd-any kfreebsd-any
    Provides: default-systemd-tmpfiles, systemd-tmpfiles
    Conflicts: systemd-tmpfiles
    Replaces: systemd-tmpfiles

then the right thing (or at least *a* right thing) would happen in
all cases:

* install foo-service on a systemd-booted system:
  systemd is already installed and the dependency is satisfied

* install foo-service on a sysvinit-booted desktop system with elogind:
  elogind is already installed, therefore systemd-standalone-tmpfiles is
  already installed and the dependency is satisfied, avoiding #1016006 etc.

* install foo-service on a sysvinit-booted headless system with no elogind:
  systemd gets installed as a dependency by default, which is what the
  systemd maintainers would prefer to happen when there are no compelling
  space constraints; but the user can specifically ask for
  systemd-standalone-tmpfiles if that's what they'd prefer

* install foo-service in a container with no init system at all:
  systemd gets installed as a dependency by default, which is what the
  systemd maintainers would prefer to happen when there are no compelling
  space constraints; but the user can specifically ask for
  systemd-standalone-tmpfiles if that's what they'd prefer

* (optionally) install foo-service on hurd-i386:
  openrc-tmpfiles (or whatever) gets installed as a dependency

    smcv

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Thread

Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Luca Boccassi <bluca@debian.org> - 2023-06-04 13:20 +0200
  Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Simon McVittie <smcv@debian.org> - 2023-06-04 16:10 +0200
    Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Luca Boccassi <bluca@debian.org> - 2023-06-05 02:40 +0200
      Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Simon McVittie <smcv@debian.org> - 2023-06-05 11:00 +0200
        Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Luca Boccassi <bluca@debian.org> - 2023-06-05 13:20 +0200
        Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Thorsten Glaser <t.glaser@tarent.de> - 2023-06-13 17:50 +0200
          Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Thorsten Glaser <t.glaser@tarent.de> - 2023-06-13 18:20 +0200
          Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Bill Allombert <ballombe@debian.org> - 2023-06-13 18:20 +0200
            Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Marco d'Itri <md@Linux.IT> - 2023-06-13 18:40 +0200
              Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Ansgar <ansgar@43-1.org> - 2023-06-13 19:50 +0200
                Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Russ Allbery <rra@debian.org> - 2023-06-13 20:10 +0200
          Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Russ Allbery <rra@debian.org> - 2023-06-13 18:40 +0200
            Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Thorsten Glaser <t.glaser@tarent.de> - 2023-06-13 20:20 +0200
              Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Russ Allbery <rra@debian.org> - 2023-06-13 21:00 +0200
                Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Thorsten Glaser <t.glaser@tarent.de> - 2023-06-13 21:10 +0200
                Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Russ Allbery <rra@debian.org> - 2023-06-13 21:30 +0200
                Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Thorsten Glaser <t.glaser@tarent.de> - 2023-06-13 23:20 +0200
      Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Simon McVittie <smcv@debian.org> - 2023-06-05 11:20 +0200
        Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Luca Boccassi <bluca@debian.org> - 2023-06-05 13:20 +0200
    Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Helmut Grohne <helmut@subdivi.de> - 2023-06-05 14:20 +0200
    Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Simon McVittie <smcv@debian.org> - 2023-06-06 13:10 +0200
      Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Luca Boccassi <bluca@debian.org> - 2023-06-06 14:10 +0200
        Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Russ Allbery <rra@debian.org> - 2023-06-07 05:50 +0200
          Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Simon McVittie <smcv@debian.org> - 2023-06-07 12:40 +0200
            Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Luca Boccassi <bluca@debian.org> - 2023-06-07 13:00 +0200
          Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Luca Boccassi <bluca@debian.org> - 2023-06-07 12:40 +0200
      Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Mark Hindley <mark@hindley.org.uk> - 2023-06-13 15:10 +0200
        Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Mark Hindley <mark@hindley.org.uk> - 2023-06-13 19:10 +0200
          Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Russ Allbery <rra@debian.org> - 2023-06-13 20:00 +0200
            Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Luca Boccassi <bluca@debian.org> - 2023-06-13 21:50 +0200
              Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Russ Allbery <rra@debian.org> - 2023-06-13 22:00 +0200
                Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Luca Boccassi <bluca@debian.org> - 2023-06-13 22:10 +0200
                Bug#945269: debian-policy: packages should use tmpfiles.d(5) to create directories below /var Ansgar <ansgar@43-1.org> - 2023-06-13 22:30 +0200

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