[Nix-dev] [Unable to upgrade GCE Nixos Image: Requires version > nix-1.10

[rohit yadav]

Hi,

I am trying to upgrade a nixos machine on GCE created from the old
tempalted 14.12. I am unable to do so. I receive following error:

[root at localhost:~]# nixos-rebuild switch
building Nix...
error: syntax error, unexpected $undefined, expecting '"', at
"/nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/lib/sources.nix":52:49
(use ‘--show-trace’ to show detailed location information)
error: syntax error, unexpected $undefined, expecting '"', at
"/nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/lib/sources.nix":52:49
(use ‘--show-trace’ to show detailed location information)
error: evaluation aborted with the following error message: ‘This version
of Nixpkgs requires Nix >= 1.10, please upgrade! See
https://nixos.org/wiki/How_to_update_when_Nix_is_too_old_to_evaluate_Nixpkgs
’
error: getting status of ‘/root/@nix_x86_64_linux@’: No such file or
directory
warning: don't know how to get latest Nix
building the system configuration...
error: syntax error, unexpected $undefined, expecting '"', at
"/nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/lib/sources.nix":52:49
(use ‘--show-trace’ to show detailed location information)

Note: I have already upgrade nix to 1.11 even then it continues to complain
about it.

Thanks,
Rohit
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