[rajas@nixos:/etc/nixos]$ sudo nixos-rebuild switch --flake /etc/nixos/#default
warning: creating lock file '/etc/nixos/flake.lock'
building the system configuration...
trace: warning: The option `services.xserver.xkbVariant' defined in `/nix/store/d8iv8xbhh7bxqw9f02b80xn1xkqfff6n-source/configuration.nix' has been renamed to `services.xserver.xkb.variant'.
trace: warning: The option `services.xserver.layout' defined in `/nix/store/d8iv8xbhh7bxqw9f02b80xn1xkqfff6n-source/configuration.nix' has been renamed to `services.xserver.xkb.layout'.
error:
… while calling the 'head' builtin
at /nix/store/y45vqv6pa8bhgag1dw86rvi6rk55xhxn-source/lib/attrsets.nix:1541:11:
1540| || pred here (elemAt values 1) (head values) then
1541| head values
| ^
1542| else
… while evaluating the attribute 'value'
at /nix/store/y45vqv6pa8bhgag1dw86rvi6rk55xhxn-source/lib/modules.nix:809:9:
808| in warnDeprecation opt //
809| { value = builtins.addErrorContext "while evaluating the option `${showOption loc}':" value;
| ^
810| inherit (res.defsFinal') highestPrio;
(stack trace truncated; use '--show-trace' to show the full trace)
error: 'builtins.storePath' is not allowed in pure evaluation mode
at «none»:0: (source not available)
I am on nixos-unstable. This is /etc/nixos/flake.nix (I didn't modify it):
I am new to NixOS. I watched https://youtu.be/a67Sv4Mbxmc?t=516 and am getting an error:
I am on
nixos-unstable
. This is/etc/nixos/flake.nix
(I didn't modify it):