nixos-configs/common/home/neovim/langs/nix.nix

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{
config,
pkgs,
lib,
nixd,
...
}: let
inherit (config.vars) hostName mainUser neovimIde;
inherit (lib) hasPrefix removePrefix;
nixdPkg = nixd.packages.${pkgs.system}.default;
flakeEnv = config.programs.bash.sessionVariables.FLAKE;
flakeDir = "${removePrefix "/home/${mainUser}/" flakeEnv}";
in
lib.mkIf neovimIde {
assertions = [
{
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assertion =
neovimIde
&& hasPrefix "/home/${mainUser}/" flakeEnv
|| !neovimIde;
message = ''
Your $FLAKE environment variable needs to point to a directory in
the main users' home to use the neovim module.
'';
}
];
home.packages = with pkgs; [
alejandra
];
xdg.dataFile."${flakeDir}/.nixd.json".text = builtins.toJSON {
nixpkgs = {
expr = "import (builtins.getFlake \"${flakeDir}\").inputs.nixpkgs {}";
};
options.nixos = {
expr = "(builtins.getFlake \"${flakeDir}\").nixosConfigurations.${hostName}.options";
};
};
programs = {
neovim = {
extraPackages = [
nixdPkg
];
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extraLuaConfig =
/*
lua
*/
''
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require('lspconfig').nixd.setup(require('coq').lsp_ensure_capabilities({
settings = {
nixd = {
formatting = {
command = { "alejandra" },
},
},
},
}));
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'';
};
};
}