rpm --redhat-requires, rpm --redhat-provides

[Panu Matilainen]

On Thu, 9 Sep 2004, Michael Schwendt wrote:

> On Thu, 9 Sep 2004 12:58:17 +0300 (EEST), Panu Matilainen wrote:
> 
> > I'm starting to have funny ideas about 'repoquery' (or whatever you want
> > to call it) which does what rpmquery does but handles seamlessly both 
> > rpmdb and repository metadata information. AND provides meaningful answers 
> > to things like '--whatrequires foo' - this is one of my "favorites":
> > 
> > [pmatilai at chip pmatilai]$ rpm -q --whatrequires openssl libpcap-0.8.3-3
> > curl-7.11.1-1
> > openssl-devel-0.9.7a-35
> > w3m-0.5-3
> > sendmail-8.12.11-4.6
> > dovecot-0.99.10.6-1,FC2,1
> > kdelibs-3.2.2-8.FC2
> > [pmatilai at chip pmatilai]$
> > 
> > A whopping 5 packages. Yet what REALLY requires openssl:
> > 
> > [pmatilai at chip pmatilai]$ rpm -q --whatrequires `rpm -q --provides 
> > openssl`|grep -v "no package"|sort -u|wc -l
> > 55
> > [pmatilai at chip pmatilai]$
> > 
> > Ooops... 
> 
> Yes, that's due to automatically generated dependencies on the
> openssl library sonames (libssl.so.4 and libcrypto.so.4)
> 
>   $ rpm -q --whatrequires $(rpm -q --provides openssl | grep lib) | wc -l
>   77
> 
> An interesting part about creating a new repoquery/rpmquery would be
> to create high-level queries which "know" how to find out which
> packages depend on "openssl" rather than letting the user find out
> complex queries like above.

Well that's what I said above: "...provides meaningful answers to things
like '--whatrequires foo'". Will work on this and based on a quick look
inside repomd/*.py actually like it as well :)

And along this road I'm perfectly willing to dump 1:1 rpmquery 
compatibility for something that's both user- and script-friendly.

	- Panu -