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rc-sysinit.conf
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2009-10-15
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# rc-sysinit - System V initialisation compatibility
#
# This task runs the old System V-style system initialisation scripts,
# and enters the default runlevel when finished.
description "System V initialisation compatibility"
author "Scott James Remnant <scott@netsplit.com>"
start on filesystem
stop on runlevel
# Default runlevel, this may be overriden on the kernel command-line
# or by faking an old /etc/inittab entry
env DEFAULT_RUNLEVEL=2
# There can be no previous runlevel here, but there might be old
# information in /var/run/utmp that we pick up, and we don't want
# that.
#
# These override that
env RUNLEVEL=
env PREVLEVEL=
task
script
# Check for default runlevel in /etc/inittab
if [ -r /etc/inittab ]
then
eval "$(sed -nre 's/^[^#][^:]*:([0-6sS]):initdefault:.*/DEFAULT_RUNLEVEL="\1";/p' /etc/inittab || true)"
fi
# Check kernel command-line for typical arguments
for ARG in $(cat /proc/cmdline)
do
case "${ARG}" in
-b|emergency)
# Emergency shell
[ -n "${FROM_SINGLE_USER_MODE}" ] || sulogin
;;
[0123456sS])
# Override runlevel
DEFAULT_RUNLEVEL="${ARG}"
;;
-s|single)
# Single user mode
[ -n "${FROM_SINGLE_USER_MODE}" ] || DEFAULT_RUNLEVEL=S
;;
esac
done
# Run the system initialisation scripts
[ -n "${FROM_SINGLE_USER_MODE}" ] || /etc/init.d/rcS
# Switch into the default runlevel
telinit "${DEFAULT_RUNLEVEL}"
end script