[opam-devel] ANNOUNCE: OWS, the Opam Wheather Service

Thu May 7 18:57:13 BST 2015

Thanks for opening the issues on the bts... any help in implementing these
features would be highly welcome.

2015-05-07 17:13 GMT+02:00 Markus Mottl <markus.mottl at gmail.com>:

> Hi,
>
> awesome, that's a very helpful service, thanks for your work!
>
> Here are two features that would be great to have: email notifications
> if a maintainer has failing packages.  A search function that searches
> the list of package maintainers so that people can get a quick
> overview of all packages they maintain.
>
> Best regards,
> Markus
>
> On Thu, May 7, 2015 at 10:38 AM, Roberto Di Cosmo <roberto at dicosmo.org>
> wrote:
> > Dear fellow Opam developers,
> >
> >      We are proud to announce the first public release of a new and fully
> > refactored version of OWS, the Opam Weather Service, and we are now
> reaching out
> > to everybody on opam-devel for feedback and contribution to its
> evolution.
> >
> > If you are in hurry, the short message is:
> >
> >   - explore the dashboard available online at http://ows.irill.org/ !
> >
> >     The packages listed there are arranged by package name and sorted
> according
> >     to the number of issues found on all available versions, you can
> click on a
> >     package to get details of these issues, and zone-in on specific
> packages
> >     using the search box.
> >
> >     On http://ows.irill.org/latest/today/summary.html you will find the
> list of
> >     the causes of package installability problems, sorted by their
> impact:
> >     packages causing the largest number of problems come first, to help
> focus
> >     developer energy when improving the quality of the Opam repository
> >
> >   - use this information to look after the packages you are responsible
> for:
> >     hints on how to fix dependency issues are displayed for each package
> >
> >   - if you want new features, make suggestions or report a bug, look at
> the
> >     source code, available under AGPL from
> https://github.com/OCamlPro/ows
> >     You are very welcome to contribute using github
> >
> > --
> > Pietro Abate, Roberto Di Cosmo, Louis Gesbert and Fabrice Le Fessant
> >
> >
> > Here are more details for who wants to know more.
> > -------------------------------------------------
> >
> > OWS and distcheck
> >
> > Built on top of the distcheck tool from the dose library [1], OWS scans
> daily
> > the packages in the Opam repository to spot all packages that cannot be
> > installed at all because of dependency issues, and presents a dashboard
> that
> > provides a bird's eye overview of the state of the repository.
> >
> > This static check is blazingly fast and does not require any physical
> > installation: it catches *all* dependency issues, and it catches *only*
> > dependency issues, so it does not replaces the other testing tools that
> are
> > needed to catch compilation, configuration and installation issues
> encountered
> > when actually deploying a package.
> >
> > A dashboard based on distcheck has been used in the Debian distribution
> for
> > almost ten years [2], and we know well that it can be extremely
> beneficial to
> > improve a package repository if it is properly integrated in a quality
> assurance
> > process.
> >
> > A full paper describing how distcheck has been used is going to be
> presented at
> > MSR 2015 in a week [3]; a preprint is already availabe [4].
> >
> > The new OWS
> > --------------------
> >
> > An experimental prototype of OWS has been running for almost a year; the
> new
> > version we unveil today is rebuilt from scratch in order to:
> >
> >  - clearly separate the presentation of the results in a dashboard from
> the
> >    distcheck backend from dose: this required changes to opam, dose and
> >    distcheck
> >
> >  - provide improved presentation of the results, in order to facilitate
> >    the identification of the most problematic packages
> >
> >  - make available all relevant source code, properly released under an
> >    Open Source licence, written by Pietro Abate (Inria/Irill)
> >
> > [1] http://dose.gforge.inria.fr/
> > [2] http://qa.debian.org/dose
> > [3] http://2015.msrconf.org/program.php
> > [4] http://www.dicosmo.org/preprints/msr-2015-distcheck.pdf
> > _______________________________________________
> > opam-devel mailing list
> > opam-devel at lists.ocaml.org
> > http://lists.ocaml.org/listinfo/opam-devel
>
>
>
> --
> Markus Mottl        http://www.ocaml.info        markus.mottl at gmail.com
>

-- 
Roberto Di Cosmo

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