feat(copilot): add lsp support

Available after nix-community/home-manager#9235

Author: khaneliman

flake.lock

@@ -77,6 +77,173 @@ in
         context
         skills
         ;
+
+      lspServers = {
+        nixd = {
+          command = lib.getExe pkgs.nixd;
+          fileExtensions = {
+            ".nix" = "nix";
+          };
+          initializationOptions = {
+            formatting.command = [ (lib.getExe pkgs.nixfmt) ];
+          };
+        };
+
+        emmylua-ls = {
+          command = lib.getExe pkgs.emmylua-ls;
+          fileExtensions = {
+            ".lua" = "lua";
+          };
+          initializationOptions.Lua = {
+            diagnostics.globals = [
+              "vim"
+              "Sbar"
+              "spoon"
+            ];
+            workspace.library = [
+              "/nix/store/*/share/lua/5.1"
+              "/etc/profiles/per-user/${config.khanelinix.user.name}/share/lua/5.1"
+            ];
+          };
+        };
+
+        basedpyright = {
+          command = lib.getExe' pkgs.basedpyright "basedpyright-langserver";
+          args = [ "--stdio" ];
+          fileExtensions = {
+            ".py" = "python";
+            ".pyi" = "python";
+            ".pyw" = "python";
+          };
+        };
+
+        ruff = {
+          command = lib.getExe pkgs.ruff;
+          args = [ "server" ];
+          fileExtensions = {
+            ".py" = "python";
+            ".pyi" = "python";
+            ".pyw" = "python";
+          };
+        };
+
+        bashls = {
+          command = lib.getExe pkgs.bash-language-server;
+          args = [ "start" ];
+          fileExtensions = {
+            ".bash" = "shellscript";
+            ".sh" = "shellscript";
+          };
+        };
+
+        clangd = {
+          command = lib.getExe' pkgs.clang-tools "clangd";
+          args = [
+            "--background-index"
+            "--clang-tidy"
+            "--header-insertion=iwyu"
+            "--completion-style=detailed"
+            "--function-arg-placeholders"
+            "--fallback-style=llvm"
+          ];
+          fileExtensions = {
+            ".c" = "c";
+            ".c++" = "cpp";
+            ".cc" = "cpp";
+            ".cpp" = "cpp";
+            ".cxx" = "cpp";
+            ".h" = "c";
+            ".h++" = "cpp";
+            ".hh" = "cpp";
+            ".hpp" = "cpp";
+            ".hxx" = "cpp";
+          };
+        };
+
+        fish-lsp = {
+          command = lib.getExe pkgs.fish-lsp;
+          fileExtensions = {
+            ".fish" = "fish";
+          };
+        };
+
+        typescript = {
+          command = lib.getExe pkgs.typescript-language-server;
+          args = [ "--stdio" ];
+          fileExtensions = {
+            ".cjs" = "javascript";
+            ".cts" = "typescript";
+            ".js" = "javascript";
+            ".jsx" = "javascriptreact";
+            ".mjs" = "javascript";
+            ".mts" = "typescript";
+            ".ts" = "typescript";
+            ".tsx" = "typescriptreact";
+          };
+        };
+
+        gopls = {
+          command = lib.getExe pkgs.gopls;
+          fileExtensions = {
+            ".go" = "go";
+            ".mod" = "go";
+            ".sum" = "go";
+          };
+        };
+
+        rust-analyzer = {
+          command = lib.getExe pkgs.rust-analyzer;
+          fileExtensions = {
+            ".rs" = "rust";
+          };
+        };
+
+        csharp = {
+          command = lib.getExe pkgs.roslyn-ls;
+          fileExtensions = {
+            ".cs" = "csharp";
+            ".csx" = "csharp";
+            ".cake" = "csharp";
+          };
+        };
+
+        marksman = {
+          command = lib.getExe pkgs.marksman;
+          fileExtensions = {
+            ".md" = "markdown";
+            ".mdx" = "mdx";
+          };
+        };
+
+        yamlls = {
+          command = lib.getExe pkgs.yaml-language-server;
+          args = [ "--stdio" ];
+          fileExtensions = {
+            ".yaml" = "yaml";
+            ".yml" = "yaml";
+          };
+        };
+
+        jsonls = {
+          command = lib.getExe' pkgs.vscode-langservers-extracted "vscode-json-language-server";
+          args = [ "--stdio" ];
+          fileExtensions = {
+            ".json" = "json";
+            ".jsonc" = "jsonc";
+          };
+        };
+
+        taplo = {
+          command = lib.getExe pkgs.taplo;
+          args = [
+            "lsp"
+            "stdio"
+          ];
+          fileExtensions = {
+            ".toml" = "toml";
+          };
+        };
+      };
     };
 
     programs.bash.initExtra = posixTokenExports;