Hi Martin, Sorry for the delay.
Martin Castillo <casti...@uni-bremen.de> skribis: > On 18.12.2017 15:31, Ludovic Courtès wrote: >> Under what circumstances did you have a system without >> /var/guix/gcroots/bootcfg? >> > > I cannot tell. I had some fs errors and run e2fsck several times. Maybe > that removed the link? But since then, I had done several reconfigures. > I'd expect those to recreate it again. OK. >>> # guix system switch-generation 14 >>> substitute: updating list of substitutes from >>> 'https://berlin.guixsd.org'... 100.0% >>> substitute: updating list of substitutes from >>> 'https://mirror.hydra.gnu.org'... 100.0% >>> The following derivation will be built: >>> /gnu/store/31bxx2nwp3lxzdkcy8bmybabfl1pi0af-grub.cfg.drv >>> Von Generation »10« zu »14« gewechselt >>> $ diff /var/guix/gcroots/bootcfg /boot/grub/grub.cfg >>> ## no-output, grub.cfg has still the same content-> >>> /var/guix/gcroots/bootcfg changed >>> # guix system reconfigure confs/config.scm >>> ## mentions expected grub error >>> $ diff /var/guix/gcroots/bootcfg /boot/grub/grub.cfg >>> see diff [2] >>> >>> it does not seem to update /var/guix/gcroots/bootcfg. >>> and bootcfg somehow lists the generation number in the default entry. >> >> Are you saying that ‘guix system switch-generation’ does not update the >> target of the /var/guix/gcroots/bootcfg symlink? (From a quick look at >> the code it seems to update it.) > > No, if you read it again, you see that 'switch-generation' updates it > correctly. 'reconfigure' doesn't seem to update it! Looking at guix/scripts/system.scm, ‘install-bootloader’ definitely installs the ‘bootcfg’ symlink, except if ‘grub-install’ fails—which is apparently the case in your transcript above. Why did you write “expected grub error”? A GRUB error is never something one should expect. :-) Ludo’.
