Re: [gentoo-user] single package backup

[陈帮玉]

Thanks Alex, this is also useful to me. I'm fresh here.

On Tue, Jun 24, 2008 at 8:54 PM, Alex Schuster <wonko@×××××××××.org> wrote:

> Daniel Iliev asks:
>
> > Let's say there's a new version of a given package. I'd like to make a
> > backup, update, test and if I liked the old version better restore.
> >
> > What is (is there?) the "Gentoo way" to do that?
>
> Let's assume you upgrade from package/foo-1.0 to package/foo-1.1. You can
> then use quickpkg to create a backup of foo-1.0, upgrade with emerge -ua
> foo, and test it. If you are not satisfied, mask the updated version
> in /etc/portage/package.mask, and emerge -uak foo again in order to
> downgrade. -k tells emerge to use the binary package built with quickpkg
> instead of re-compiling.
>
> quickpkg foo (or quickpkg package/foo-1.0)
> emerge -ua foo
> echo ">=package/foo-1.1" >> /etc/portage/package.mask
> emerge -uak foo
>
> I'm not really sure what happens with config files, though.
>
>        Wonko
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