[Unit]
Description=Set the X Resources DataBase DPI to match the display DPI on X display %I
Documentation=man:xrdb(1)
Before=X11@%i.target
Requisite=X11@%i.target
Conflicts=xresources@:i.service # don't run concurrently with another run of xrdb

[Service]
Environment=DISPLAY=%I

Type=oneshot
ExecStart=/usr/bin/env xrdb-set-dpi

[Install]
WantedBy=X11@%i.target