On 2015-02-22 17:50, Michael Gilbert wrote:
> On Sun, Feb 22, 2015 at 6:35 AM, Christian Kastner wrote:
>> In wheezy and later, where /etc/sudoers already is a conffile, that is
>> entirely for dpkg to handle, not for the *.preinst scripts. Anything in
>> the *.preinst is exclusively for when upgrading from squeeze.
>
> So, the more I think about it, isn't this the real problem? The
> *.preinst scripts mess with wheezy's /etc/sudoers even though it
> should only be managed by dpkg.
Precisely[*]. In fact, if we assume that the squeeze->jessie upgrade
path (skipping wheezy) is not supported, the *.preinst scripts become
completely unnecessary and could be dropped entirely, because the
wheezy->jessie upgrade case is handled just like any other conffile.
However, the simple one-line-fix I proposed should have the very same
effect whilst being less intrusive and more accomodating:
* On install the code *.preinst code is skipped unconditionally
(because old-version isn't set), and
* On upgrade it's skipped in wheezy and later (because the
old-version is newer than 1.7.4p4-4).
The install case also covers the switch-between-sudo,sudo-ldap case,
which triggered this bug.
Regards,
Christian
[*] not to take someone else's credit: it was Andreas who correctly
identified the actual problem.
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