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All the Perl that's Practical to Extract and Report

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  • I always find it useful if the last three or four versions are available so I can use the diff to research any questions about changes between versions. That works only so long as the distribution’s not deleted from CPAN.

  • I've taken to immediately deleting older versions of my modules, because I have a small enough userbase (i.e. maybe 2) that I want them all to keep up with the latest version. But since the old ones are still on backpan, could packagers just fetch from there instead?
    • What’s the point of having a mirror system if everyone fetches from BackPAN by default?

      • Define "everyone." First, most users want to install either a package or its prereqs. For them, either downloading the latest will be fine, or the package authors will have to do something special to maintain multiple release branches under the same name. Second, what's the point of having a mirror system if a packager downloads one (out-of-date) version once, then redistributes it through their own mirrors?
        • downloading the latest will be fine

          We’re talking about OS vendors like Linux distributions or FreeBSD here. For their users, downloading the latest released blessed by the package maintainer is what’s desired. Think of FreeBSD releases or Debian stable distributions: updates serve the purpose of propagating bug/security fixes only, but otherwise the system is as static as possible.

          And that answers your question about the value of everyone distributing outdated CPAN distribution releases as

            • Distributions have their own, er... distribution mechanisms outside of CPAN, so its mirroring is irrelevant as long as back versions are available *somewhere*.
            • I only have time to deal with one version of my modules, so for versions distributed through CPAN (i.e. by me), people should be working with the latest. There's nothing wrong with having old versions lying around on CPAN, but there's not much point, either -- I already have a VCS.
            • Where did I "object"?
            • Distributions have their own, er... distribution mechanisms outside of CPAN, so its mirroring is irrelevant as long as back versions are available *somewhere*.

              Not true, or at least not completely true. Fink, for one, has a really crappy mirror system, so I often get distros straight from CPAN. Authors who delete their releases too quickly are really irritating.

              Personally, I think ALL releases should stay on CPAN because who knows what stuff you (the author) broke when you put a new release up there. But
      • It seems that FreeBSD's ports system does it right. In /usr/ports/Mk/ there's a list of 15 or so CPAN sites, and the last of them is backpan.
  • In the Workflow team we are in that lucky situation that the guy maintaining Workflow in ports mailed me and asked to be notified of releases.

    Currently he is on our development list, which is quite low traffic, but I guess we will set up an announce list if traffic increases significantly, so people like him can get only the info they need easily.

    I can only recommend keeping in touch with the people who distribute your work - for free.