[Unit]
Description=Rectify all DPI settings on X display %I
Documentation=man:xrdb(1)
Before=X11@%i.target
Requisite=X11@%i.target

[Service]
Environment=DISPLAY=%I

Type=oneshot
ExecStart=/usr/bin/env flock %t/x11-xrdb@%I -c fix-dpi
SyslogIdentifier=fix-dpi

[Install]
WantedBy=X11@%i.target