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RMG: Simplify the corelist section #23401

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58 changes: 13 additions & 45 deletions Porting/release_managers_guide.pod
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Original file line number Diff line number Diff line change
Expand Up @@ -717,55 +717,23 @@ F<dist/Module-CoreList/lib/Module/CoreList/Utils.pm>

=head4 Update C<Module::CoreList> with module version data for the new release

Note that if this is a MAINT release, you should run the following actions
from the maint branch, but commit the C<CoreList.pm> changes in
I<blead> and subsequently cherry-pick any releases since the last
maint release and then your recent commit. XXX need a better example

[ Note that the procedure for handling Module::CoreList in maint branches
is a bit complex, and the RMG currently don't describe a full and
workable approach. The main issue is keeping Module::CoreList
and its version number synchronised across all maint branches, blead and
CPAN, while having to bump its version number for every RC release.
See this brief p5p thread:

Message-ID: <[email protected]>

If you can devise a workable system, feel free to try it out, and to
update the RMG accordingly!

DAPM May 2013 ]

F<corelist.pl> uses www.cpan.org to verify information about dual-lived
modules on CPAN. It can use a full, local CPAN mirror and/or fall back
on HTTP::Tiny to fetch package metadata remotely.

(If you'd prefer to have a full CPAN mirror, see
L<How to mirror CPAN|https://www.cpan.org/misc/how-to-mirror.html>)

Change to your perl checkout, and if necessary,

$ make

Then, If you have a local CPAN mirror, run:

$ ./perl -Ilib Porting/corelist.pl ~/my-cpan-mirror

Otherwise, run:
In most cases, run:

$ ./perl -Ilib Porting/corelist.pl cpan

This will chug for a while, possibly reporting various warnings about
badly-indexed CPAN modules unrelated to the modules actually in core.
Assuming all goes well, it will update
F<dist/Module-CoreList/lib/Module/CoreList.pm> and possibly
F<dist/Module-CoreList/lib/Module/CoreList/Utils.pm>.

Check those files over carefully:

$ git diff dist/Module-CoreList/lib/Module/CoreList.pm
$ git diff dist/Module-CoreList/lib/Module/CoreList/Utils.pm

If you have a L<local CPAN mirror|https://www.cpan.org/misc/how-to-mirror.html>, run:

$ ./perl -Ilib Porting/corelist.pl ~/my-cpan-mirror

The procedure for MAINT releases is not straighforward and implies to pick past
updates (e.g. from BLEAD-POINT) into the corelist. See
L<Handling Module::CoreList in MAINT branches (Dave Mitchell)|https://www.nntp.perl.org/group/perl.perl5.porters/2013/03/msg200007.html>.
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Highlights from the linked message:

I think its happened this way (i.e. people haven't followed the "official"
instructions) because the instructions are impossible to actually follow
in practice.

But I don't really know what's best.

I‡ don't think a procedural checklist for doing a release is the correct time/place for philosophical debate, especially when the debate is about how difficult it is to follow the documented procedure(s)

__
‡. somebody with a github account who's never done a perl release


=head4 Bump version in Module::CoreList F<Changes>

Also edit Module::CoreList's new version number in its F<Changes> file.
Expand Down Expand Up @@ -1567,13 +1535,13 @@ and F<dist/Module-CoreList/lib/Module/CoreList/Utils.pm>.

=item *

If you have a local CPAN mirror, run:
In most cases, run:

$ ./perl -Ilib Porting/corelist.pl ~/my-cpan-mirror
$ ./perl -Ilib Porting/corelist.pl cpan

Otherwise, run:
If you have a L<local CPAN mirror|https://www.cpan.org/misc/how-to-mirror.html>, run:

$ ./perl -Ilib Porting/corelist.pl cpan
$ ./perl -Ilib Porting/corelist.pl ~/my-cpan-mirror

This will update F<dist/Module-CoreList/lib/Module/CoreList.pm> and
F<dist/Module-CoreList/lib/Module/CoreList/Utils.pm> as it did before,
Expand Down
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