nixos-configs/homeManagerModules/neovim/langs/nix.nix
matt1432 6c5ef370c5
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refactor(nvim): clean up nix code
2024-12-16 17:44:17 -05:00

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Nix

self: {
config,
lib,
osConfig,
pkgs,
...
}: let
inherit (builtins) toJSON;
inherit (lib) attrValues getExe hasPrefix mkIf removePrefix;
inherit (osConfig.networking) hostName;
cfg = config.programs.neovim;
defaultFormatter = self.formatter.${pkgs.system};
nixdPkg = self.inputs.nixd.packages.${pkgs.system}.default;
flakeEnv = config.programs.bash.sessionVariables.FLAKE;
flakeDir = "${removePrefix "/home/${cfg.user}/" flakeEnv}";
in {
config = mkIf cfg.enableIde {
assertions = [
{
assertion =
cfg.enableIde
&& hasPrefix "/home/${cfg.user}/" flakeEnv
|| !cfg.enableIde;
message = ''
Your $FLAKE environment variable needs to point to a directory in
the main users' home to use the neovim module.
'';
}
];
home.packages = attrValues {
inherit
defaultFormatter
nixdPkg
;
};
# nixd by default kinda spams LspLog
home.sessionVariables.NIXD_FLAGS = "-log=error";
xdg.dataFile."${flakeDir}/.nixd.json".text = toJSON {
nixpkgs = {
expr = "import (builtins.getFlake \"${flakeDir}\").inputs.nixpkgs {}";
};
options.nixos = {
expr = "(builtins.getFlake \"${flakeDir}\").nixosConfigurations.${hostName}.options";
};
};
programs = {
neovim = {
extraPackages = attrValues {
inherit nixdPkg;
};
extraLuaConfig =
# lua
''
require('lspconfig').nixd.setup({
capabilities = require('cmp_nvim_lsp').default_capabilities(),
filetypes = { 'nix', 'in.nix' },
settings = {
nixd = {
formatting = {
-- TODO: Try to find <flake>.formatter
command = { '${getExe defaultFormatter}' },
},
},
},
});
'';
};
};
};
# For accurate stack trace
_file = ./nix.nix;
}