wip: Bruh emoji

Author: dotunwrap

config/langs/arduino.nix

@@ -1,14 +1,73 @@
-{ pkgs, ... }:
+{ lib, pkgs, ... }:
+let
+  arduino-ls-wrapper = pkgs.writeShellScriptBin "arduino-ls-wrapper" ''
+    # Find the project root by looking for arduino-cli.yaml
+    find_config() {
+      local dir="$PWD"
+      while [ "$dir" != "/" ]; do
+        if [ -f "$dir/arduino-cli.yaml" ]; then
+          echo "$dir/arduino-cli.yaml"
+          return 0
+        fi
+        dir="$(dirname "$dir")"
+      done
+      # If no config found, don't pass -cli-config flag
+      return 1
+    }
+
+    # Extract FQBN from arduino-cli.yaml using yq or fallback to grep/awk
+    extract_fqbn() {
+      local config="$1"
+      # Try to extract from sketch.default_fqbn or fqbn field
+      if command -v ${lib.getExe pkgs.yq-go} &> /dev/null; then
+        ${lib.getExe pkgs.yq-go} eval '.sketch.default_fqbn // .fqbn' "$config" 2>/dev/null | grep -v '^null$' || true
+      else
+        # Fallback to grep if yq is not available
+        grep -E '^\s*(default_fqbn|fqbn):' "$config" | head -1 | sed 's/.*: *//' || true
+      fi
+    }
+
+    CONFIG_PATH=$(find_config)
+
+    if [ -n "$CONFIG_PATH" ]; then
+      FQBN=$(extract_fqbn "$CONFIG_PATH")
+      if [ -n "$FQBN" ]; then
+        exec ${lib.getExe pkgs.arduino-language-server} \
+          -cli ${lib.getExe pkgs.arduino-cli} \
+          -clangd ${lib.getExe' pkgs.clang-tools "clangd"} \
+          -cli-config "$CONFIG_PATH" \
+          -fqbn "$FQBN" \
+          "$@"
+      else
+        exec ${lib.getExe pkgs.arduino-language-server} \
+          -cli ${lib.getExe pkgs.arduino-cli} \
+          -clangd ${lib.getExe' pkgs.clang-tools "clangd"} \
+          -cli-config "$CONFIG_PATH" \
+          "$@"
+      fi
+    else
+      exec ${lib.getExe pkgs.arduino-language-server} \
+        -cli ${lib.getExe pkgs.arduino-cli} \
+        -clangd ${lib.getExe' pkgs.clang-tools "clangd"} \
+        "$@"
+    fi
+  '';
+in
 {
-  plugins = {
-    lsp.servers.arduino_language_server = {
-      enable = true;
-      cmd = [
-        "arduino-language-server"
-        "-cli" "${pkgs.arduino-cli}/bin/arduino-cli"
-        "-clangd" "${pkgs.clang-tools}/bin/clangd"
+  lsp.servers.arduino_language_server = {
+    enable = true;
+    config = {
+      cmd = [ (lib.getExe arduino-ls-wrapper) ];
+      filetypes = [
+        "cpp"
+        "c"
+        "ino"
       ];
+      root_markers = [ "arduino-cli.yaml" ];
     };
+  };
+  plugins = {
     treesitter.settings.ensure_installed = [ "arduino" ];
+    conform-nvim.settings.formatters_by_ft.cpp = [ "clang_format" ];
   };
 }