The technical committe was asked in #746578 to override the ordering of the alternative dependencies on systemd-sysv and systemd-shim to prefer the installation of systemd-shim in cases where sysvinit-core was already installed. ==== RESOLUTION ==== Rationale (Constitution 6.1(5)): 1. Currently libpam-systemd (which is pulled in by quite a few dependency chains) Depends on `systemd-sysv | systemd-shim (>= 8-2)'. 2. The effect of this is that installing some packages which depend (directly or indirectly) on libpam-systemd can cause a user's init system to be switched to systemd, even on systems where a user has deliberately chosen not to use the default init system, and even when the switch is unnecessary. 3. Swappping the order of these dependencies would avoid that and has no harmful effect: 4. In particular, on systems that already have systemd-sysv installed, libpam-systemd will still not pull in systemd-shim, thus minimizing the risk of breakage on systemd systems. However, on systems that intentionally do not have systemd-sysv installed, the installation of libpam-systemd will then prefer to pull in systemd-shim and keep the installed init system rather than switching to systemd-sysv. Decision (Constitution 6.1(4)): 5. We therefore overrule the decision of the maintainer of libpam-systemd binary package. The Depends entry systemd-sysv | systemd-shim (>= 8-2) should be replaced by systemd-shim (>= 8-2) | systemd-sysv 6. For the avoidance of doubt, we do not intend to set this specific syntax in stone. For example, if in future libpam-systemd needs to depend on a later systemd-shim, or needs a versioned rather than unversioned dependency on systemd-sysv, that is fine and would not contradict our decision. Release (Constitution 6.1(5)): 7. Our advice is that this change should be in jessie. If necessary, this view should be conveyed to the Release Team, after the change is in unstable, by filing an unblock request in the usual way. ==== END OF RESOLUTION ==== The committee would like to thank everyone who participated in the discussion of #746578, especially Josh Triplett, Serge Hallyn, Sam Hartman, Cameron Norman, and Michael Biebl. Please see http://bugs.debian.org/746578 for discussion of this bug.
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