## Background
I'm the current maintainer of https://github.com/openSUSE/cpanspec and I
do automatic updates to devel:languages:perl with it.
Perl module versions are decimal versions, and semantically split in triplets.
CPAN --> Normalized, semantical meaning from perl's point of
view
0.7 --> 0.700.0
0.71 --> 0.71.0
0.70 --> 0.70.0
0.07 --> 0.70.0
0.007 --> 0.7.0
1.20230726 --> 1.202.307.260
Currently, perl.prov takes the module versions literally, which can lead to
false / broken dependencies if the number of decimals for a module version
changes.
E.g. a very common thing is a module with the current version 1.29 (which is
semantically 1.290.0) that releases 1.3 (1.300.0) as the next version.
Taking the 1.29 and 1.3 literally in the rpm, 1.3 would be lower than 1.29.
We usually fix that manually, but we have 3200 perl modules in
devel:languages:perl and 1400 in Factory.
The correct way would be to use
version->parse($cpan_version)->normal
However, we can't just fix the existing perl.prov because we cannot
guarantee that all packages will be rebuilt at once across all repositories.
There needs to be a transition period also.
Also other users of rpm maybe don't want that new behaviour.
## Proposal
So I created a new script besides `perl.prov`, `perl.prov.normalize`.
It would be good if I could actually reuse most of it's code, maybe even
simply call `perl.prov` and then manipulate the output.
But for this frst draft I wanted to get your feedback if such a PR is welcome
or if it should be done in a new package outside of rpm.
I could then use this script in the spec files of new perl module releases.
Until then there will be a transition period where I might generate Provides
lines in the spec file additionally to the current perl.prov, which would
guarantee that we don't get unresolvables.
For the detailed background see: https://github.com/openSUSE/cpanspec/issues/47
cpanspec is the script which we use to generate the spec files.
You can view, comment on, or merge this pull request online at:
https://github.com/rpm-software-management/rpm/pull/2586
-- Commit Summary --
* Add a new perl.prov script to generate normalized module versions
-- File Changes --
A scripts/perl.prov.normalize (224)
-- Patch Links --
https://github.com/rpm-software-management/rpm/pull/2586.patch
https://github.com/rpm-software-management/rpm/pull/2586.diff
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