Current File : //snap/core20/current/lib/udev/rules.d/90-rtc-sys-time-init.rules
ACTION!="add", GOTO="rtc-sys-end"
SUBSYSTEM!="rtc", GOTO="rtc-sys-end"
KERNEL!="rtc*", GOTO="rtc-sys-end"
# When device rtc* is added
# 1) and the RTC module have successfully set system time from RTC (indicated with hctosys attribute)
# 2) and the kernel command line does not contain parameter ubuntu_core.rtc_sys_time_init that will cause
# systemd generator rtc-sys-time-init-generator to instantiate rtc-sys-time-init@.service
# instantiate rtc-sys-time-init@.service for the device node
IMPORT{cmdline}=="ubuntu_core.rtc_sys_time_init"
ATTR{hctosys}=="1", ENV{ubuntu_core.rtc_sys_time_init}!="?*", ENV{SYSTEMD_WANTS}+="rtc-sys-time-init@.service"
# When device rtc* is added create device unit dev-rtc*.device which is used by rtc-sys-time-init@.service
# enabled by generator rtc-sys-time-init-generator when kernel command line contains parameter
# ubuntu_core.rtc_sys_time_init=/dev/rtc*
TAG+="systemd"
LABEL="rtc-sys-end"
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