Is it possible to tweak checksums etc. in the RPM DB?

James Antill james at
Fri May 22 13:08:14 UTC 2009

On Wed, 2009-05-20 at 10:30 +0200, lassmann at wrote:
> Hi,
> Is it possible to tweak the file information in the RPM package database 
> so that I could update a file from outside and still keep the --verify happy?
> My use case is that I want to provide updates for a bunch of huge RPM packages
> but I only want to update very few files in each package so it would be a huge
> overhead to have all the hundreds of MB to be downloaded/installed just to get this.
> deltarpm would help me but my target platform is RHEL 5 and AFAIK
> this deltarpm is SUSE specific. yum presto is not applicable as well as it is
> not part of RHEL yet.
> Any ideas or comments welcome

 As far as I know, if you rebuild the yum-presto .src.rpm from Fedora 11
on RHEL-5 and create the repo. with a newer rebuilt createrepo (Fedora
infrastructure have done this) ... then it'll just work. 

James Antill <james at>

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