code: def xrdb(xrdb_files=None):
      
      xrdb_files = xrdb_files or \
          [os.path.join(CACHE_DIR, "colors.Xresources")]
  
      if shutil.which("xrdb") and OS != "Darwin":
          for file in xrdb_files:
              subprocess.run(["xrdb", "-merge", "-quiet", file])
docs: Merge the colors into the X db so new terminals use them.