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Id: 97121
Status: new
Priority: 0/
Queue: CPAN

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Owner: Nobody in particular
Requestors: jeff.janes [...] gmail.com
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Subject: upgrade to CPAN 2.05 does not work cleanly
Date: Thu, 10 Jul 2014 12:49:59 -0700
To: bug-CPAN [...] rt.cpan.org
From: Jeff Janes <jeff.janes [...] gmail.com>
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If I start up a fresh Amazon Linux (ami-76817c1e) instance and install CPAN, I get a problem when I then try to upgrade CPAN from 1.9800 to 2.05. sudo yum update sudo yum install cpan sudo cpan CPAN < /dev/null .... Can't locate CPAN/Meta/Requirements.pm in @INC It is fairly easy to work around this by just explicitly installing CPAN/Meta/Requirements before doing the upgrade. But shouldn't the old version of cpan know what the new one's prereqs are, and either install them, or produce a more graceful error message? The real problem I ran into on CentOS6.5 was worse, as the upgrade claimed to succeed, but then left behind a broken install which could not be easily fixed because I could no longer use CPAN to fix it. However, I can't give a reproducible test case of that situation, as I can't just spin up virgin installations of CentOS6.5 at will to test on. Hopefully solving the problem in Amazon Linux will also solve it for CentOS6.5, as they do seem to be highly related. Cheers, Jeff


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