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2c55eba8f4
This commit fixes a papercut in nixos-rebuild where people wanting to switch to a specialisation (or test one) were forced to manually figure out the specialisation's path and run its activation script - since now, there's a dedicated option to do just that. This is a backwards-compatible change which doesn't affect the existing behavior, which - to be fair - might still be considered sus by some people, the painful scenario here being: - you boot into specialisation `foo`, - you run `nixos-rebuild switch`, - whoops, you're no longer at specialisation `foo`, but you're rather brought back to the base system. (it's especially painful for cases where specialisation is used to load extra drivers, e.g. Nvidia, since then launching `nixos-rebuild switch`, while forgetting that you're inside a specialisation, can cause some parts of your system to get accidentally unloaded.) I've tried to mitigate that by improving specialisations so that they create a dedicated file somewhere in `/run/current-system` containing the specialisation's name (which `nixos-rebuild` could then use as the default value for `--specialisation`), but I haven't been able to come up with anything working (plus it would be a breaking change then). Closes https://github.com/NixOS/nixpkgs/issues/174065 |
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| .. | ||
| default.nix | ||
| nixos-rebuild.sh | ||