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On 26/04/14 07:11, Steve Langasek wrote: > On Sat, Apr 26, 2014 at 02:07:22PM +0900, Charles Plessy wrote: >> Le Sat, Apr 26, 2014 at 11:41:17AM +0800, Paul Wise a ￩crit : >>> On Sat, Apr 26, 2014 at 1:39 AM, Daniel Pocock wrote: > >>>> a generalized approach is needed. > >>> Multiple versions of a package seems undesirable to me, for the >>> same reasons as static libraries and embedded code copies are >>> undesirable. > >> Hi Paul and everybody, > >> it would be a great advantage for Debian over the other >> distributions to have the capacity to install multiple versions >> concurrently. > > No, no it wouldn't. > > This is how rpm handles library packages. It's a horror show. > There is a difference between doing this for "core" packages (e.g. C libraries, system daemons, things that are sensitive to something in /etc) and these independent eco-systems that exist around Python, Java, JavaScript, etc. Letting people install arbitrary versions of Python and then expect all the Python scripts in a stable system to just work feels unreasonable. However, letting them install additional versions of the Python interpreter or some Python libraries that can be used on-demand, while not impacting the default that is used would be less demanding on Debian to support. The same can be said for Java and JavaScript and other things. With JavaScript, the problem is particularly acute because the APIs are more volatile. It is harder to force all web packages to use a single version of jQuery (or something else) if each upstream uses a different version. Debian either ends up dropping a lot of these web packages or demanding that DDs who want to upload such things jump through more hoops to patch their packages. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Icedove - http://www.enigmail.net/ iQIcBAEBCAAGBQJTW2TGAAoJEOm1uwJp1aqDJVwQAIXaaMRQtgkXxBE+3ZfOOGly HFWQjJ+6sX1f2xfzUCok5wyhnhQNmSCSXQ5tknEvtvJAOC5Vmb4d3fhV8knIt6HZ QEprwYDzPeOmpxtbLQpCrGOnsIG0WcJX3Sr5DUG9g6ObJvArNTX/7sZKYLdcDZWG FVQCLFgD6BqCXC4b0MMO6GGmb8WvnM9qz7GVgwv3JaQdlwWHzkZZ5RNRGBrN7BGS uLqVTMWblUa8qmmhGbSNbefaOOk8rjvuKlPH0mwctcZ03K44/fr0lkoRG41bGnx/ HztaOGmGG2xOOgSbKE5oOpCCy/J/5RK2VzcFAS4NQlry+vXdHt7A/3/4UFJPTCuS OFnEnNu7+d8bC+YtoJgVOWGncQ587eOhGhGAVnNT4Jf3VLy6F15XGoOSQmUUgCjj Avtpmz+lFjdCmv3zCji8yw4LV/2ZANHyAWwWQAIJSQtz0+B6kQCXtaRYtBmrpHKG bp6OIhMKtRzfsx/1Vl27ZGvbFhC2ZpRflubyNasFBD1VXbIAvsAmwGCRG3863cWS bWY4F7Kfq0HzzDPpgan9S3Tl3XEa/HEFfRzQBtsUDNQuO1rtvQwQufhjxpXvEp5o NnNzPxfdQHj1d3MtxuYB+VAS30kwuE9jOd/ES8jdLhyrBzq0VnGEO9+QU/CJHzPq DgEkOPG+e3Qp9ejVOs7N =gLWq -----END PGP SIGNATURE----- -- To UNSUBSCRIBE, email to debian-devel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/535b64c6.3090...@pocock.pro
