[Unit]
Description=Redshift display colour temperature adjustment on X display %I
Documentation=http://jonls.dk/redshift/
After=X11@%i.target
Requisite=X11@%i.target

[Service]
Environment=DISPLAY=%I

Type=simple
ExecStart=/usr/bin/env redshift
ExecStopPost=/usr/bin/env redshift -x
SyslogIdentifier=redshift