rolling back the system shows it's trying to get substitutes for grub.cfg.drv and install-bootloader.scm.drv: ``` itsme@antelope ~> sudo guix system roll-back Password: substitute: updating substitutes from 'https://berlin.guixsd.org'... 100.0% substitute: updating substitutes from 'https://mirror.hydra.gnu.org'... 100.0% substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0% The following derivation will be built: /gnu/store/b90j6p6qpzvs5x884hhy9dc3zvv6jhcs-grub.cfg.drv building /gnu/store/b90j6p6qpzvs5x884hhy9dc3zvv6jhcs-grub.cfg.drv... substitute: updating substitutes from 'https://berlin.guixsd.org'... 100.0% substitute: updating substitutes from 'https://mirror.hydra.gnu.org'... 100.0% substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0% building /gnu/store/m7lcl11s38ks2hapm1j7s2z9szig3zhs-install-bootloader.scm.drv... switched from generation 46 to 45 ```
This is not needed, unless I am missing something?
