(define avrispmkii-udev-rule
(udev-rule "90-avrispmkii.rules"
"\
SUBSYSTEM!=\"usb\", ACTION!=\"add\", GOTO=\"avrisp_end\"
# Atmel Corp. JTAG ICE mkII
ATTR{idVendor}==\"03eb\", ATTR{idProduct}==\"2103\", MODE=\"660\",
GROUP=\"dialout\"
# Atmel Corp. AVRISP mkII
ATTR{idVendor}==\"03eb\", ATTR{idProduct}==\"2104\", MODE=\"660\",
GROUP=\"dialout\"
# Atmel Corp. Dragon
ATTR{idVendor}==\"03eb\", ATTR{idProduct}==\"2107\", MODE=\"660\",
GROUP=\"dialout\"
LABEL=\"avrisp_end\"\n"))
(operating-system
…
(services (cons* (modify-services %desktop-services
(udev-service-type config =>
(udev-configuration
(inherit config)
(rules (append
(udev-configuration-rules config)
(list
avrispmkii-udev-rule))))))))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~