rpm %post - check for version being upgraded
Horst H. von Brand
vonbrand at inf.utfsm.cl
Sat Dec 20 00:05:41 UTC 2008
Martin Langhoff <martin.langhoff at gmail.com> wrote:
> This is a bit of advanced rpm trickery that probably falls in the
> "don't do that" category. :-/
>
> Short version:
>
> How do I query in %post, when executed during an upgrade,
> for the version we are upgrading from?
Urgh.
> Long version:
>
> A custom rpm (that OLPC's XS uses to manage configuration) needs to
> nuke a dynamically generated config file -
> /etc/udev/rules.d/70-persistent-net.rules - _only once_. Before
> version 0.5 of the pkg, the script that drove the device naming was
> subtly wrong.
Why "only once"? Better/much more robust/easier stomp on data
_always_. Perhaps do it with version 1.2.3-0.fc11, and (after a suitable
time) release 1.2.3-1.fc11?
--
Dr. Horst H. von Brand User #22616 counter.li.org
Departamento de Informatica Fono: +56 32 2654431
Universidad Tecnica Federico Santa Maria +56 32 2654239
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