Re: [gentoo-user] single package backup

[Alex Schuster <wonko@wonkology.org>]

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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