Replace incron with python inotify script + watchdog for managing slideshow restarts during management of picture files, this is operating on a 3s timeout for the restart which seems to be a decent balance given how fast syncthing can move files at times

docs/slideshow.md

@@ -208,14 +208,25 @@ EOF
 systemctl daemon-reload
 systemctl enable --now no-cursor-tty1
 systemctl enable --now fim
-apt install incron
-cat > /etc/incron.d/fim-delete <<EOF
-/tank/pictures IN_DELETE systemctl restart fim
+git clone https://git.kemonine.info/kemonine/piframe.git /opt/piframe
+cp /opt/piframe/inotify-pictures.py /usr/local/bin/
+chmod a+x /usr/local/bin/inotify-pictures.py
+cat > /etc/systemd/system/inotify-pictures.service <<EOF
+[Unit]
+Description=Watch for picture folder changes and restart slideshow
+After=fim.service
+
+[Service]
+Type=simple
+User=root
+ExecStart=/usr/local/bin/inotify-pictures.py
+TimeoutSec=15
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
 EOF
-cat > /etc/incron.d/fim-create <<EOF
-/tank/pictures IN_CREATE systemctl restart fim
-EOF
-systemctl enable --now incron
-systemctl restart incron
+systemctl daemon-reload
+systemctl enable --now inotify-pictures
 
 ```