add event hooks

bin/hooks/notify.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+
+import sys
+from plyer import notification
+
+
+_ = r"""
+show os notification on upload; works on windows, linux, macos
+
+depdencies:
+    python3 -m pip install --user -U plyer
+
+example usage as global config:
+    --xau f,bin/hooks/notify.py
+
+example usage as a volflag (per-volume config):
+    -v srv/inc:inc:c,xau=f,bin/hooks/notify.py
+
+parameters explained,
+    xau = execute after upload
+    f   = fork so it doesn't block uploads
+"""
+
+
+def main():
+    notification.notify(title="new file uploaded", message=sys.argv[1], timeout=10)
+
+
+if __name__ == "__main__":
+    main()