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#!/bin/sh
sd_booted() {
[ -e sys/fs/cgroup/systemd ]
}
post_install() {
# enable getty@tty1 by default, but don't track the file
systemctl enable getty@.service
echo ":: Append 'init=/bin/systemd' to your kernel command line in your"
echo " bootloader to replace sysvinit with systemd"
}
post_upgrade() {
if sd_booted; then
# we moved the binary in 44-2 to /usr, so a reexec leads to a
# coredump. refuse this reexec and warn the user that they should
# reboot instead.
if [ "$(vercmp 44-2 "$2")" -eq 1 ]; then
echo "warning: refusing to reexec systemd. the system should be rebooted."
else
systemctl daemon-reload
systemctl daemon-reexec
fi
fi
# getty@tty1.service is no longer enabled by default, but we don't want to break
# existing setups.
if [ "$(vercmp 183 "$2")" -eq 1 ]; then
# systemctl seems to be whiny on sysvinit. this will succeed unless something
# horrific happens, so just mask the error.
systemctl -q enable getty@.service || true
fi
}
# vim:set ts=2 sw=2 et:
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