[Bug 1158873] New: cpan should offer creating site directories

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1158873

            Bug ID: 1158873
           Summary: cpan should offer creating site directories
           Product: Fedora
           Version: rawhide
         Component: perl-CPAN
          Keywords: FutureFeature
          Assignee: ppisar at redhat.com
          Reporter: ppisar at redhat.com
        QA Contact: extras-qa at fedoraproject.org
                CC: cweyl at alumni.drew.edu, extras-qa at fedoraproject.org,
                    iarnell at gmail.com, jplesnik at redhat.com, kasal at ucw.cz,
                    perl-devel at lists.fedoraproject.org, ppisar at redhat.com,
                    psabata at redhat.com, rc040203 at freenet.de,
                    tcallawa at redhat.com, unclebob at tnglwood.demon.co.uk
        Depends On: 1090112



+++ This bug was initially created as a clone of Bug #1132321 +++

Description of problem:

The command

    cpan install WeakRef

installed the module incorrectly into

    /root/perl5/lib/perl5/x86_64-linux-thread-multi/auto

instead of the global directory.

Version-Release number of selected component (if applicable):

perl-CPAN-2.00-289.fc20.noarch

How reproducible:

Every time.

Steps to Reproduce:

As root enter-
1. yum install perl-CPAN
2. cpan install WeakRef
3.

Actual results:

Module installed in /root/perl5/..... 

Expected results:

Module installed in 

/usr/local/share/perl5

Additional info:

It is possible to clear this bug by removing /root/.cpan and /root/perl5/,
editing out the two lines cpan adds to /root/.bashrc, closing the shell and
reopening then rerunning the command, but selecting manual as the installation
method.

--- Additional comment from Petr Pisar on 2014-08-21 11:09:19 GMT ---

This is matter of cpan tool configuration. If you configured cpan to install
files into ~/perl5, then it will install it there. If you remove
~/.cpan/CPAN/MyConfig.pm (or the global one under /usr/share/perl5), and run
cpan(1) again, you get question, where how to install the files:


Warning: You do not have write permission for Perl library directories.

To install modules, you need to configure a local Perl library directory or
escalate your privileges.  CPAN can help you by bootstrapping the local::lib
module or by configuring itself to use 'sudo' (if available).  You may also
resolve this problem manually if you need to customize your setup.

What approach do you want?  (Choose 'local::lib', 'sudo' or 'manual')

The message is a little bit misleading, because the real error is that
/usr/local/{lib*,share}/perl5 do not exist. If select `manual' or if you create
the directories, cpan will install into the site perl directories.

--- Additional comment from  on 2014-08-21 11:33:40 GMT ---

Granted, but the point is that installing out of the box cpan doesn't work. By
reading the code and experimenting I manged to get it to life, but for the
ordinary user this would be a pain.

As supplied cpan does not let you install modules. To my mind this is wrong.

--- Additional comment from Petr Pisar on 2014-08-21 11:41:31 GMT ---

Who said that "installing out of the box" means "install into site
directories"?

--- Additional comment from Petr Pisar on 2014-08-21 14:43:59 GMT ---

I think the cpan(1) tool could be augmented to create the site directories if
they are missing.


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1090112
[Bug 1090112] Review Request: perl-CPAN - Query, download and build perl
modules from CPAN sites
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