[OE-core] [PATCH V3] opkg: Call prerm and postrm scripts on package upgrade.

[Andreas Oberritter]

On 24.10.2014 12:49, Paul Barker wrote:
> On 22 October 2014 23:54, Burton, Ross <ross.burton at intel.com> wrote:
>>
>> On 21 October 2014 16:40, Paul Barker <paul at paulbarker.me.uk> wrote:
>>>
>>> Sorry Peter, it looks like this patch has been corrupted as well as
>>> the one sent to the opkg-devel list. In this case I think it's mostly
>>> lines like the above which have been incorrectly wrapped.
>>>
>>> Could you resend this using 'git send-email' if possible?
>>
>>
>> Alternatively (and preferably for large numbers of patches), push your
>> changes to a git repo somewhere.
>>
>> Ross
> 
> This patch can now be marked as a backport if it is resent.
> 
> I'd probably say it shouldn't be applied in oe-core until after the
> 1.7 branch now as it's so close to release and if any prerm/postrm
> scripts don't check for an "upgrade" argument they may end up doing
> the wrong thing.
> 
> Cheers,
> 

As already pointed out in the discussion about the other patch ("Better
support for upgrading packages in opkg and update-rc.d.bbclass"),
OE-Core expects prerm and postrm scripts not to run on upgrade. Not only
with opkg, but with rpm and apt/dpkg, too. So unless we're going to
accept breaking virtually every prerm and postrm script in the OE-Core
ecosystem, somebody will need to come up with a good plan before
applying this patch, even after the release.

FWIW, it would be safe to apply if preceded by a patch making
package_ipk.bbclass inject code to skip these scripts upgrades as rpm
and deb do, effectively turning this patch into a no-op, but bringing
all package managers in line before any further changes.

Regards,
Andreas