On Sun, 2 Nov 2014 14:19:45 +0000 Ian Jackson <ijack...@chiark.greenend.org.uk> wrote: > Ian Jackson writes ("Bug#746578: libpam-systemd to flip dependencies - > proposal"): > > Here is my draft, just committed to git. I'm open to suggestions for > > changes. If we can't agree on the rationale I guess we could leave it > > out. > > Josh Triplette produced a helpful detailed review. Here is the > revised draft.
s/Triplette/Triplett/ :) And thank you for the update. One minor (but semantically significant) issue below, caused by a typo in my original suggestion. > 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 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. s/intentionally do not have systemd/intentionally do not have systemd-sysv/ - Josh Triplett > 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. > > -- To UNSUBSCRIBE, email to debian-ctte-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/20141102171044.GA6632@thin