to yum or apt

Paul Howarth paul at city-fan.org
Sun Aug 21 17:22:23 UTC 2005


On Sun, 2005-08-21 at 19:16 +0200, Toralf Lund wrote:
> Paul Howarth wrote:
> 
> >On Sun, 2005-08-21 at 11:25 +0200, Toralf Lund wrote:
> >  
> >
> >>Richard Emberson wrote:
> >>
> >>    
> >>
> >>>In the past I've used synaptic (which uses apt). Now that I've just 
> >>>upgraded to
> >>>FC4, the question I've got is should I switch over to use the Yum 
> >>>Extender?
> >>>Will packages available to yum users also be available to apt users?
> >>>Does yumex assure that all dependencies are satisfied before doing an 
> >>>install?
> >>>      
> >>>
> >>Haven't tried yumex (yet), just plain yum, but that does make sure 
> >>everything is right wrt. dependencies etc.
> >>    
> >>
> >
> >Yes; in fact yum doesn't have provide options to break dependencies,
> >unlike rpm itself.
> >
> >  
> >
> >>Apart from that, the way I understand it, apt and yum now use exactly 
> >>the same "repository" data, i.e. a yum-enabled distribution directory 
> >>will also work with apt and vice versa. If it uses the current 
> >>repository format, that is; there used to be different, incompatible 
> >>formats, then both tools were updated to support a common standard.
> >>    
> >>
> >
> >I've not heard of any version of apt that can use repo data from any
> >version of yum.
> >
> >Up2date though, can handle old and new yum metadata plus apt metadata.
> >Perhaps that's what you were thinking of?
> >  
> >
> No, I'm thinking of
> 
> http://linux.duke.edu/projects/metadata/
> 
> As you can see, what you call "new yum metadata" is not really that; 
> it's more like "new common metadata", i.e. a format that supposed to be 
> common to yum, apt, up2date and some others, too.
> 
> Now, I assumed that the new format is supported in current apt clients 
> as well as yum, but I haven't actually tested.

This is the metadata format supported by yum in FC3 and FC4, and by
up2date in FC4. I didn't know that apt was also a target of this format;
I'll be interested to hear if there's a version of apt for rpm that does
support it.

Paul.
-- 
Paul Howarth <paul at city-fan.org>




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