Control: tags -1 + confirmed

On Sun, 2019-03-10 at 22:04 -0400, Harlan Lieberman-Berg wrote:
> After talking to kibi and jrtc27 on IRC, pushing up a new proposed
> diff with some tweaks to the control file and changelog.
[...]
> In v9, dh_systemd_enable would stop timers in prerm and then start
> them in postinst.  In v10, however, dh_systemd_enable switches to
> using try-restart, which will noop on stopped timers.  This means
> when the SRU was installed, the timer was stopped (in the old v9
> prerm) and never started (in the new v10 postinst).  Changing back to
> use v9 will mean that the package will invoke the start on the timer
> regardless of its current status, fixing broken systems and
> preventing new problems.
> 
> This problem doesn't occur on fresh installs because the postinst is
> called differently, and although I tested certbot extensively (and
> had upstream do the same), none of us were looking closely at the
> timer functionality because "it wasn't supposed to change" (because
> that's never caused bugs before, god knows.)

Welcome to why we get paranoid about changes in stable updates. :-)

Please go ahead.

Regards,

Adam

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