Re: [gentoo-dev] Unnecessary logs: has_version to the rescue?

[Ciaran McCreesh]

On Wed, 31 Mar 2010 22:29:50 +0200
Sebastian Pipping <sping@g.o> wrote:
> On 03/31/10 22:19, Ciaran McCreesh wrote:
> >> Is there some kind of evilness in this usage of has_version that I
> >> am not aware of?
> >
> > Unfortunately, yes.
> >
> > Historically, has_version in pkg_postinst would return results based
> > upon the version that *was* installed.
>
> What's status quo?  What did it switch to?

Now you really need to use REPLACING_VERSIONS to do it cleanly, but
that's only in EAPI 4, which still isn't implemented in Portage. As a
hack, you can instead do the has_version check in pkg_preinst and use
environment variable saving to get the result in pkg_postinst. It is
not exactly pretty.

-- 
Ciaran McCreesh