Comment # 11 on bug 1089823 from Fabian Vogt

(In reply to Jiri Srain from comment #10)
> (In reply to Fabian Vogt from comment #7)
> > (In reply to Jiri Srain from comment #5)
> > > YaST should IMO show an error if snapper could not be run from whatever
> > > reason.
> > > 
> > > OTOH: There is no need to make a hard dependency on snapper - not all
> > > systems want snapshots enabled.
> > 
> > I agree - but a hard dependency in yast2-installation should be fine as
> > normally yast2-installation isn't installed.
> 
> Please, no hard dependency. YaST does not require any file system specific
> tools because the respective filesystem can be used.

Fair enough, but then YaST should not allow those filesystems to be used.
If it breaks hard if a tool is not used, it's a hard dependency.

> (In reply to Fabian Vogt from comment #6)
> > > OTOH, yast *does* show an error already. So for me this looks fine. Just the KDE Live iso needs fixing.
> > 
> > It's not fine.
> > 
> > The error is *after* the installation.
> 
> What does "after installation" mean?

If you look at the linked openQA screenshot, the installation is at 99%, which
means except for the snapshot creation it's complete. The system would probably
boot fine.