On Wed, Feb 23, 2011 at 11:20 AM, Jeff Johnson <email@example.com> wrote:
> On Feb 23, 2011, at 12:37 PM, Sriram Narayanan wrote:
> > Should we consider createrepo or does rpm5 provide something that's
> equivalent ?
> Depends on what you want.
> There is a rpmrepo client-side tool that will create both rpm-metadata
> XML used by many depsolvers as well as the sqlite schema in the database
> format currently used by yum.
> > Would this be usable by yum ?
> The output of rpmrepo was identical to what was in use by yum when
> implemented bck in 2008. Since then yum has changed some minor file naming
> conventions and otherwise altered the "standard" (but actually de facto)
> rpm-metadata format slightly.
> Wouldn't be hard to fix, is on my todo++ list, but there's been zero
> interest in using rpmrepo so far, hence its a low priority.
> The major features to rpmrepo are
> 1) client-side rather than server-side. This basically means
> that rpmrepo can generate markup on the local client in any
> format needed, thereby uncoupling from whatever incompaitibilities
> are introduced on servers by "feeping creaturism" with later
> yum versions.
> 2) faster (~20%) than createrepo when I last checked, largely
> in C not in python.
> 3) integrated support on the rpm CLI. E.g
> rpm -qp --yum:primary.xml *.rpm
> can be done any time one wishes, and generates rpm-metadata
> in XML for whatever "*.rpm" constitutes a package repository
> Note carefully that rpm-metadata markup is poorly designed and includes
> compute intensive elements like package file digests that largely make
> benchmark (or other comparisons) irrelevant. E.g. a very minor change
> to the markup to use pre-computed header+payload or header-only digests
> would speed up createrepo/rpmrepo by 1-2 orders of magnitude no matter
> what language was chosen for an implementation.
> 73 de Jeff
Unity Linux uses the following combination, smart+rpm5+(createrepo+yum).
We tried using rpmrepo, but it doesn't support some time saving features
like createrepo --update the last time I we checked. Yum is only needed by
createrepo, otherwise we use smart for our package manager.
Received on Wed Feb 23 19:36:06 2011