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Re: can't install debug rpm with yum.



On Thu, 2006-06-08 at 19:12 +1000, David Timms wrote:
> seth vidal wrote:
> > On Wed, 2006-06-07 at 21:00 -0400, Sean wrote:
> >> On Wed, 7 Jun 2006 17:30:53 -0400
> >> "Ryan Skadberg" <skadz1 gmail com> wrote:
> ...
> > The problem you're poorly diagnosing isn't really in yum. The crux of
> > the problem is out of sync mirrors being in the mirror list. That's a
> > problem we're working on now by taking some work that another project
> > has done to check the status of a mirror to make sure that the metadata
> > it has matches the metadata that the mirror master has.
> Couldn't this be achieved fairly simply ?
> - yum gets repomd.xml from masterURL (new setting in .repo)
> - cache the master repomd.xml as repomd.xml.master
> - uses that to compare files including (repomd.xml) grabbed from the 
> preferred (and next and so on) mirror, until it gets a response and the 
> checksum matches.
> 
> "another project" sounds like doing something similar to the above would 
> be a major undertaking ?
> 
> * it would be nice to be able to query both ftp and http servers for the 
> checksum of a file as it exists on their disk - before you (yum) 
> downloads it :) As far as I know no such capability exists for either 
> service type ? Then you could:
> - give me sha1sum /mirror/fedora/core/update/5/packages/mc-7.8.9.rpm
> - = sopqierpqowierpoqie
> - wrong, move to next mirror before even downloading (especially good 
> when mirrors have corrupt or incomplete data). I remember once a bad 
> download of 50M occur about 10 times (from different mirrors) until a 
> good download was found.
> 
> * repomd.xml does have <timestamp>1149589443</timestamp> already
> could yum / urlgrabber get the (ht/f)tp servers file mod time before 
> deciding to download (that mirrors) copy of the file ?  Even checking 
> byte size before download would avoid wasted downloads (but it isn't 
> already in repomd.xml).
> 

I'm open to contributions that make this sane and functional for other
interfaces.

-sv


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