[arch-general] pacman new generation
lisaev at umail.iu.edu
Mon Nov 21 15:59:41 EST 2011
On (11/21/11 12:17), Bernardo Barros wrote:
-~> dpkg-reconfigure ? No.. it's not that at all.
-~> In fact pacman already have some of those ideas,
-~> it tries to be safe when it keeps old package in /var/cache/pacman/pkg,
-~> but Nix goes further and tries to make sense of all those changes in the system.
-~> I just see some other ideas that could be inspiring futures versions
-~> of pacman, that all:
Well, it deals with configuration problems after an update...
The point of this paper is basically to automatically test the updated software
version in a VM. The only new concept here is "automatically", perhaps. I
can't imagine anyone who would do a major server/kernel upgrade w/o trying it
in a testbox beforehand.
Updates are supposed to be dangerous, that is exactly why we have
SLES/RHEL/Debian with lots of backports. For example, you update subversion to
a newer version, which has some incompatibility with older DBs. All the NixOS
tests will be fine, but suddenly half of your clients can't checkout. If the
system is important, I wouldn't rely some dumb software and do all tests
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