Pjotr Prins <[email protected]> skribis: > On Mon, Jul 02, 2018 at 11:39:40AM +0200, Ludovic Courtès wrote: >> Hello, >> >> swedebugia <[email protected]> skribis: >> >> > Trying to get an updated an old GuixSD installation via guix pull on a pre >> > 0.10 GuixSD returned an error message about gexp-modules not found. >> > (details can be provided if asked). >> >> Could you post the full backtrace? >> >> > I suggest we either test pulling from old versions (and fix errors) or >> > make it clear in the manual that pulling from very old GuixSD (older than >> > 0.12?) is not supported. >> >> Pulling from a very old Guix may not work. We try hard to keep things >> running, but the old ‘guix pull’ had defects, plus the file >> build-aux/build-self.scm (which ‘guix pull’ runs) might use features not >> found in very old versions. > > How about making sure that 'guix pull' works between major releases? > That should be reasonably easy to test. > > When there is a disruptive release for guix pull make sure the user > upgrades to the closest previous release first. I.e., multi-step > releases are less fraught with breakage. > > That way you get an incremental path to upgrade. And you only need to > test between major releases.
I agree, yes. That’s a reasonable goal and one that should be easier to achieve now with the new ‘guix pull’. Note that swedebugia was talking of a pre-0.10 GuixSD, more than 2.5 years old, which represents a looong time for a pre-1.0 piece of software that evolves pretty fast. :-) Thank you, Ludo’.
