moonarch/defaults/etc/systemd/user/wlsunset.service
nevaforget ee85b87d3a fix: signal waybar after wlsunset starts to update nightlight icon
Waybar starts before wlsunset (due to ExecStartPre sleep) and only
checks the service status once. ExecStartPost sends SIGRTMIN+11 so
waybar refreshes the nightlight module after wlsunset is ready.
2026-04-16 10:36:05 +02:00

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Desktop File

# ABOUTME: systemd user service for wlsunset night light (blue light filter).
# ABOUTME: Starts after kanshi to ensure all outputs are configured.
[Unit]
Description=Wlsunset night light (blue light filter)
Documentation=man:wlsunset(1)
PartOf=graphical-session.target
After=graphical-session.target kanshi.service
[Service]
Type=simple
# Give kanshi time to configure all outputs before wlsunset captures them
ExecStartPre=/bin/sleep 2
ExecStart=/usr/bin/wlsunset -T 6500 -t 5000 -S 00:00 -s 00:01
ExecStartPost=/usr/bin/pkill -RTMIN+11 waybar
Restart=on-failure
RestartSec=3
[Install]
WantedBy=graphical-session.target