switch between global dark and light themes (super + F6)

.config/alacritty/switch_bg.py

@@ -1,13 +1,17 @@
 #!/usr/bin/python3
 
 import os
+import sys
 
+action = 'switch'
+if len(sys.argv) > 1:
+    action = sys.argv[1]
 path = os.path.join(os.getenv('HOME'), '.config/alacritty/alacritty.yml')
 with open(path, 'r+') as f:
     cfg = f.read()
-    if "colors:  *dark" in cfg:
+    if "colors:  *dark" in cfg and action in ['switch', 'light']:
         cfg = cfg.replace("colors:  *dark", "colors: *light")
-    else:
+    elif "colors: *light" in cfg and action in ['switch', 'dark']:
         cfg = cfg.replace("colors: *light", "colors:  *dark")
     f.seek(0)
     f.write(cfg)