[fedora-india] How to write spec file with upgrade option?

[Ankur Sinha]

On Mon, 2011-01-17 at 15:42 +0530, Lakshmipathi.G wrote:
> Sorry for late reply (came online after pongal holidays :P ). I
> think,there is some misunderstanding on my question . May be I should
> be more clearer.I have written an rpm spec file and built binary rpm
> using "rpmbuild" and installing this rpm (-i) works well.
> Now I want to provide rpm -U option - so that user can upgrade to next
> version easily (Currently user have to use rpm -e and rpm -i
> <new-version>). Google gave me this
> http://www.ibm.com/developerworks/library/l-rpm2/  but I'm looking for
> more info/links -on how to create upgradable packages.(writting rpm
> spec file that supports rpm -U ) 

Hi,

You don't have to do anything. If the current version-release is <
version-release of the new rpm, rpm -U will upgrade the package. It is
the packagers responsibility to have sane package versioning, and rpms
to upgrade.

Regards,
Ankur