Ensure that downloads folder exists

wrap-arduino-cli.nix

@@ -21,6 +21,7 @@ let
         (pkgs.writeTextDir "inventory.yaml" (builtins.toJSON {}))
         (pkgs.writeTextDir "package_index.json" (builtins.toJSON {packages = [];}))
         (pkgs.writeTextDir "library_index.json" (builtins.toJSON {libraries = [];}))
+        (pkgs.runCommand "staging-dir" {} "mkdir $out/staging")
       ];
     };
   in
@@ -31,7 +32,11 @@ let
         inherit dataPath userPath;
       };
     } ''
-      makeWrapper ${pkgs.arduino-cli}/bin/arduino-cli $out/bin/arduino-cli --set ARDUINO_UPDATER_ENABLE_NOTIFICATION false --set ARDUINO_DIRECTORIES_DATA ${dataPath} --set ARDUINO_DIRECTORIES_USER ${userPath}
+      makeWrapper ${pkgs.arduino-cli}/bin/arduino-cli $out/bin/arduino-cli \
+        --set ARDUINO_UPDATER_ENABLE_NOTIFICATION false \
+        --set ARDUINO_DIRECTORIES_DATA ${dataPath} \
+        --set ARDUINO_DIRECTORIES_USER ${userPath} \
+        --append-flags '--build-property commonhfile.fqfn=/tmp/esp8266common.h'
     '';
 in
   lib.makeOverridable wrap