42 lines
690 B
Nix
42 lines
690 B
Nix
{bash, event}:
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assert event == "reboot"
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|| event == "halt"
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|| event == "system-halt"
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|| event == "power-off";
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{
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name = "sys-" + event;
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job = "
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start on ${event}
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script
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exec < /dev/tty1 > /dev/tty1 2>&1
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echo \"\"
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echo \"<<< SYSTEM SHUTDOWN >>>\"
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echo \"\"
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# Do an initial sync just in case.
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sync || true
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# Unmount file systems.
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umount -n -a || true
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# Remount / read-only
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mount -n -o remount,ro /dontcare / || true
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# Final sync.
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sync || true
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# Right now all events above power off the system.
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if test ${event} = reboot; then
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exec reboot -f
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else
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exec halt -f -p
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fi
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end script
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";
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}
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