Re: [gentoo-user] Heads Up - glibc-2.27 breaks my system

[Helmut Jarausch]

On 02/03/2018 04:11:33 PM, Marc Joliet wrote:
> Am Samstag, 3. Februar 2018, 10:50:53 CET schrieb Helmut Jarausch:
> > On 02/03/2018 06:54:06 AM, Dale wrote:
> > > While on this topic, I have a question about glibc.  I have it
> set in
> > > make.conf to save the binary packages.  Generally I use it when I
> need
> > > to go back shortly after a upgrade, usually Firefox or something.
> > > However, this package is different since going back a version
> isn't a
> > > good idea.  My question tho, what if one does go back a version
> using
> > > those saved binary packages?  Has anyone ever did it and it work
> or
> > > did
> > > it and it fail miserably?
> >
> > I've tried to binary emerge my previous version. This didn't succeed
> > since
> > the ebuild disallows downgrading glibc.
> >
> > Luckily I had backuped my system just 20 hours ago.
>
> Having up-to-date backups is always good :) .
>
> > Does anybody know how to restore ONLY those files which are
> > more recent on the target file system.
> > (My whole back is 124 Gb large which is a lot to copy back)
>
> If you can access the backups like a normal file system, then using
> rsync with
> the --update option looks to me like what you want:
>
> "-u, --update                skip files that are newer on the
> receiver".
>

High Marc,
I think I need the opposite :
   only update files which are newer on the receiver

Thanks,
Helmut