152 lines
3.8 KiB
Nix
152 lines
3.8 KiB
Nix
{
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pkgs,
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config,
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lib,
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...
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}:
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with lib;
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with builtins; let
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cfg = config.vim.languages.nix;
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useFormat = "on_attach = default_on_attach";
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noFormat = "on_attach = attach_keymaps";
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defaultServer = "nil";
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servers = {
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rnix = {
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package = pkgs.rnix-lsp;
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internalFormatter = cfg.format.type == "nixpkgs-fmt";
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lspConfig = ''
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lspconfig.rnix.setup{
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capabilities = capabilities,
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${
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if (cfg.format.enable && cfg.format.type == "nixpkgs-fmt")
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then useFormat
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else noFormat
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},
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cmd = {"${cfg.lsp.package}/bin/rnix-lsp"},
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}
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'';
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};
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nil = {
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package = pkgs.nil;
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internalFormatter = true;
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lspConfig = ''
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lspconfig.nil_ls.setup{
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capabilities = capabilities,
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${
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if cfg.format.enable
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then useFormat
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else noFormat
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},
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cmd = {"${cfg.lsp.package}/bin/nil"},
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${optionalString cfg.format.enable ''
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settings = {
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["nil"] = {
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${optionalString (cfg.format.type == "alejandra")
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''
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formatting = {
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command = {"${cfg.format.package}/bin/alejandra", "--quiet"},
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},
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''}
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${optionalString (cfg.format.type == "nixpkgs-fmt")
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''
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formatting = {
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command = {"${cfg.format.package}/bin/nixpkgs-fmt"},
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},
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''}
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''}
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},
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};
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}
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'';
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};
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};
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defaultFormat = "alejandra";
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formats = {
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alejandra = {
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package = pkgs.alejandra;
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nullConfig = ''
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table.insert(
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ls_sources,
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null_ls.builtins.formatting.alejandra.with({
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command = "${cfg.format.package}/bin/alejandra"
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})
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)
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'';
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};
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nixpkgs-fmt = {
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package = pkgs.nixpkgs-fmt;
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# Never need to use null-ls for nixpkgs-fmt
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};
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};
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in {
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options.vim.languages.nix = {
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enable = mkEnableOption "Nix language support";
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treesitter = {
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enable = mkOption {
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description = "Enable Nix treesitter";
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type = types.bool;
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default = config.vim.languages.enableTreesitter;
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};
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package = nvim.types.mkGrammarOption pkgs "nix";
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};
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lsp = {
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enable = mkEnableOption "Enable Nix LSP support" // {default = config.vim.languages.enableLSP;};
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server = mkOption {
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description = "Nix LSP server to use";
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type = types.str;
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default = defaultServer;
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};
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package = mkOption {
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description = "Nix LSP server package";
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type = types.package;
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default = servers.${cfg.lsp.server}.package;
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};
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};
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format = {
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enable = mkEnableOption "Enable Nix formatting" // {default = config.vim.languages.enableFormat;};
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type = mkOption {
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description = "Nix formatter to use";
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type = with types; enum (attrNames formats);
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default = defaultFormat;
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};
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package = mkOption {
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description = "Nix formatter package";
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type = types.package;
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default = formats.${cfg.format.type}.package;
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};
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};
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};
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config = mkIf cfg.enable (mkMerge [
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{
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vim.configRC.nix = nvim.dag.entryAnywhere ''
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autocmd filetype nix setlocal tabstop=2 shiftwidth=2 softtabstop=2
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'';
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}
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(mkIf cfg.treesitter.enable {
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vim.treesitter.enable = true;
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vim.treesitter.grammars = [cfg.treesitter.package];
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})
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(mkIf cfg.lsp.enable {
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vim.lsp.lspconfig.enable = true;
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vim.lsp.lspconfig.sources.nix-lsp = servers.${cfg.lsp.server}.lspConfig;
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})
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(mkIf (cfg.format.enable && !servers.${cfg.lsp.server}.internalFormatter) {
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vim.lsp.null-ls.enable = true;
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vim.lsp.null-ls.sources.nix-format = formats.${cfg.format.type}.nullConfig;
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})
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]);
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}
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