34 lines
1.1 KiB
Nix
34 lines
1.1 KiB
Nix
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let
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missingFeatures = map ({ description, ... }: description) (import ./lib/minfeatures.nix).missing;
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in
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if missingFeatures != [ ] then
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abort ''
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This version of Nixpkgs requires an implementation of Nix with the following features:
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- ${builtins.concatStringsSep "\n- " missingFeatures}
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Your are evaluating with Nix ${builtins.nixVersion or "(too old to know)"}, please upgrade:
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- If you are running NixOS, `nixos-rebuild' can be used to upgrade your system.
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- Alternatively, with Nix > 2.0 `nix upgrade-nix' can be used to imperatively
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upgrade Nix. You may use `nix-env --version' to check which version you have.
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- If you installed Nix using the install script (https://nixos.org/nix/install),
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it is safe to upgrade by running it again:
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curl -L https://nixos.org/nix/install | sh
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For more information, please see the NixOS release notes at
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https://nixos.org/nixos/manual or locally at
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${toString ./nixos/doc/manual/release-notes}.
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If you need further help, see https://nixos.org/nixos/support.html
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''
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else
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import ./pkgs/top-level/impure.nix
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