FABulous: Fix default project language

FABulous/FABulous.py

@@ -155,7 +155,10 @@ def setup_project_env_vars(args: argparse.Namespace) -> None:
         logger.warning("No project .env file found")
 
     # Overwrite project language param, if writer is specified as command line argument
-    if args.writer:
+    if args.writer and args.writer != os.getenv("FAB_PROJ_LANG"):
+        logger.warning(
+            f"Overwriting project language for current run, from {os.getenv('FAB_PROJ_LANG')} to {args.writer}, which was specified as command line argument"
+        )
         os.environ["FAB_PROJ_LANG"] = args.writer
 
 
@@ -180,6 +183,10 @@ def create_project(project_dir, type: Literal["verilog", "vhdl"] = "verilog"):
     else:
         os.mkdir(f"{project_dir}")
 
+    # set default type, since "None" overwrites the default value
+    if not type:
+        type = "verilog"
+
     os.mkdir(f"{project_dir}/.FABulous")
     fabulousRoot = os.getenv("FAB_ROOT")
 
@@ -199,6 +206,8 @@ def create_project(project_dir, type: Literal["verilog", "vhdl"] = "verilog"):
 
     adjust_directory_in_verilog_tb(project_dir)
 
+    logger.info(f"New FABulous project created in {project_dir} with {type} language.")
+
 
 def copy_verilog_files(src, dst):
     """Copies all Verilog files from source directory to the destination directory.
@@ -1672,7 +1681,6 @@ def main():
     parser.add_argument(
         "-w",
         "--writer",
-        default="verilog",
         choices=["verilog", "vhdl"],
         help="Set the type of HDL code generated by the tool. Currently support Verilog and VHDL (Default using Verilog)",
     )
@@ -1727,8 +1735,10 @@ def main():
 
         if os.getenv("FAB_PROJ_LANG") == "vhdl":
             writer = VHDLWriter()
+            logger.debug("VHDL writer selected")
         elif os.getenv("FAB_PROJ_LANG") == "verilog":
             writer = VerilogWriter()
+            logger.debug("Verilog writer selected")
         else:
             logger.error(
                 f"Invalid projct language specified: {os.getenv('FAB_PROJ_LANG')}"