remove not needed subshell

[projects/rc-scripts.git] / rc.d / rc

#!/bin/sh
#
# rc		This file is responsible for starting/stopping
#		services when the runlevel changes. It is also
#		responsible for the very first setup of basic
#		things, such as setting the hostname.
#
# $Id$
#
# Original Author:
#		Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
#

# avoid being interrupted by child or keyboard
trap ":" INT QUIT TSTP

# Save argument
argv1="$1"
argv2="$2"

# Get terminal size of standard input of the system console
[ -z "$CONSOLE" ] && CONSOLE=/dev/console
if [ -c $CONSOLE ]; then
	set -- $(stty size < $CONSOLE 2>/dev/null)
	LINES=$1
	COLUMNS=$2
else
	LINES=
	COLUMNS=
fi
export LINES COLUMNS CONSOLE

# NLS
if [ -f /etc/sysconfig/i18n ]; then
	. /etc/sysconfig/i18n
	[ -n "$LANG" ] && export LANG || unset LANG
	[ -n "$LC_CTYPE" ] && export LC_CTYPE || unset LC_CTYPE
	[ -n "$LC_COLLATE" ] && export LC_COLLATE || unset LC_COLLATE
	[ -n "$LC_MESSAGES" ] && export LC_MESSAGES || unset LC_MESSAGES
	[ -n "$LC_NUMERIC" ] && export LC_NUMERIC || unset LC_NUMERIC
	[ -n "$LC_MONETARY" ] && export LC_MONETARY || unset LC_MONETARY
	[ -n "$LC_TIME" ] && export LC_TIME || unset LC_TIME
	[ -n "$LC_ALL" ] && export LC_ALL || unset LC_ALL
	[ -n "$LANGUAGE" ] && export LANGUAGE || unset LANGUAGE
	[ -n "$LINGUAS" ] && export LINGUAS || unset LINGUAS
fi

# Source function library.
. /etc/rc.d/init.d/functions

if [ "$argv2" != "chroot" ]; then
	# Now find out what the current and what the previous runlevel are.
	set $(runlevel)
	runlevel=$2
	previous=$1
	export runlevel previous
fi

# Get first argument. Set new runlevel to this argument.
[ -n "$argv1" ] && runlevel="$argv1"

# if previous runlevel = current runlevel do nothing
[ "$runlevel" = "$previous" ] && exit 0

# Tell linuxconf what runlevel we are in
[ -d /var/run -a -w /var/run ] && echo "/etc/rc.d/rc$runlevel.d" > /var/run/runlevel.dir

# if runlevel is 0 (halt) or 6 (reboot) change to first
# virtual console, and send messages to /dev/console
# (it can be serial console too)
if [ "$COLUMNS" -gt 0 ]; then
	if [ "$argv2" != "chroot" ] && ! is_yes "$VSERVER" && \
		[ "$runlevel" = "0" -o "$runlevel" = "6" ]; then
		CONSOLE=/dev/tty1
		[ -x /usr/bin/chvt ] && /usr/bin/chvt 1 && echo > $CONSOLE
		exec 0<> /dev/console 1>&0 2>&0
	fi
else
	# Serial: columns and lines are not defined
	  LINES=24
	COLUMNS=80
fi

# See if we want to be in user confirmation mode
if [ "$previous" = "N" ]; then
	if ! is_yes "$VSERVER" && grep -qi confirm /proc/cmdline >/dev/null 2>/dev/null \
		|| [ -f /var/run/confirm ]; then
		rm -f /var/run/confirm
		CONFIRM="yes"
		nls "Entering interactive startup"
	else
		CONFIRM=
		nls "Entering non-interactive startup"
	fi
fi

# calculate bootsplash variables
sscripts=0
for i in /etc/rc.d/rc$runlevel.d/S*; do
	[ ! -f $i ] && continue
	[ "${1%.rpmsave}" != "${1}" ] && continue
	[ "${1%.rpmorig}" != "${1}" ] && continue
	[ "${1%.rpmnew}" != "${1}" ] && continue
	subsys=${i#/etc/rc.d/rc$runlevel.d/S??}
	[ -f /var/lock/subsys/$subsys ] && \
		[ ! -f /var/lock/subsys/${subsys}.init ] && continue
	sscripts=$(( sscripts + 1 ))
done
export sscripts

if test "$previous" != "N" ; then
	kscripts=0
	for i in /etc/rc.d/rc$runlevel.d/K*; do
		[ ! -f $i ] && continue
		[ "${1%.rpmsave}" != "${1}" ] && continue
		[ "${1%.rpmorig}" != "${1}" ] && continue
		[ "${1%.rpmnew}" != "${1}" ] && continue
		subsys=${i#/etc/rc.d/rc$runlevel.d/K??}
		[ ! -f /var/lock/subsys/$subsys ] && \
		[ ! -f /var/lock/subsys/${subsys}.init ] && continue
		kscripts=$(( kscripts + 1 ))
	done
	export kscripts
fi

if test "$previous" = "N" -a "$runlevel" = "5" ; then
	export progress=16
	sscripts=$(( $sscripts + 15 ))
else
	export progress=0
fi

if is_yes "$VSERVER"; then
	# if runlevel is not 0 (halt) or 6 (reboot) run rc.sysinit
	# BUT only if rc is run standalone (not run by init, as init will run rc.sysinit)
	if [ "$previous" != "N" -a "$runlevel" != "0" -a "$runlevel" != "6" ]; then
		/etc/rc.d/rc.sysinit $runlevel
	fi
fi

# set onlcr to avoid staircase effect and do not lock scrolling
stty onlcr -ixon 0>&1 2>/dev/null

# Say something ;)
af2=$(termput setaf $CRESMAN)
af6=$(termput setaf $CBRACKETS)
af7=$(termput op)
text="$(termput op)$(nls '%sResource Manager: %sEntering runlevel number' "$af2" "$af7")"
text_size="$(nls '%sResource Manager: %sEntering runlevel number' "" "")"
resp_size="$(nls 'DONE')"
{
	local _len=${#text_size}
	local _last_col=$(($INIT_COL+${#resp_size}-${#runlevel}))
	while [ $((_len++)) -lt $_last_col ]; do
		text="$text."
	done
	echo -n "$text"
}
echo "${af6}[${af2} $runlevel ${af6}]${af7}"

# Is there an rc directory for this new runlevel?
if [ -d /etc/rc.d/rc$runlevel.d ]; then
	# First, run the KILL scripts.
	for i in /etc/rc.d/rc$runlevel.d/K*; do
		# Check if the script is there.
		[ ! -f $i ] && continue

		# Don't run [KS]??foo.{rpmsave,rpmorig,rpmnew} scripts
		[ "${1%.rpmsave}" != "${1}" ] && continue
		[ "${1%.rpmorig}" != "${1}" ] && continue
		[ "${1%.rpmnew}" != "${1}" ] && continue

		# Check if the subsystem is already up.
		subsys=${i#/etc/rc.d/rc$runlevel.d/K??}
		[ ! -f /var/lock/subsys/$subsys ] && \
		[ ! -f /var/lock/subsys/${subsys}.init ] && continue

		rc_splash "$i stop"

		# Bring the subsystem down.
		$i stop
	done

	# Now run the START scripts.
	for i in /etc/rc.d/rc$runlevel.d/S*; do
		# Check if the script is there.
		[ ! -f $i ] && continue

		# Don't run [KS]??foo.{rpmsave,rpmorig} scripts
		[ "${1%.rpmsave}" != "${1}" ] && continue
		[ "${1%.rpmorig}" != "${1}" ] && continue
		[ "${1%.rpmnew}" != "${1}" ] && continue

		# Check if the subsystem is already up.
		subsys=${i#/etc/rc.d/rc$runlevel.d/S??}
		[ -f /var/lock/subsys/$subsys ] || \
		[ -f /var/lock/subsys/${subsys}.init ] && continue

		# Check if it is managed by upstart
		use_upstart && [ -f /etc/init/${subsys}.conf ] && continue

		# If we're in confirmation mode, get user confirmation
		[ -n "$CONFIRM" ] &&
		{
			confirm $subsys
			case $? in
			  0)
				:
				;;
			  2)
				CONFIRM=
				;;
			  *)
				continue
				;;
			esac
		}

		rc_splash "$i start"
		# Bring the subsystem up.
		$i start
	done
fi

# if runlevel is 0 (halt) or 6 (reboot) run rc.shutdown
if [ "$runlevel" = "0" ] || [ "$runlevel" = "6" ]; then
	unset LANG
	unset LC_CTYPE
	unset LC_NUMERIC
	unset LC_TIME
	unset LC_COLLATE
	unset LC_MONETARY
	unset LC_MESSAGES
	unset LC_PAPER
	unset LC_NAME
	unset LC_ADDRESS
	unset LC_TELEPHONE
	unset LC_MEASUREMENT
	unset LC_IDENTIFICATION
	unset LC_ALL
	TMPDIR=/dev/null
	export TMPDIR
	if [ "$argv2" != "chroot" ]; then
		exec /etc/rc.d/rc.shutdown $runlevel $previous
	else
		exit 0
	fi
else
	if is_yes "$RUN_LDCONFIG" || [ ! -f /etc/ld.so.cache ] ; then
		if [ -x /sbin/ldconfig ]; then
			run_cmd "Setting up /etc/ld.so.cache" /sbin/ldconfig -X
		fi
	fi
fi

rc_splash "master"

# Say something ;)
text="$(nls '%sResource Manager: %sRunlevel has been reached' "$af2" "$af7")"
text_size="$(nls '%sResource Manager: %sRunlevel has been reached' "" "")"

_len=${#text_size}
_last_col=$(($INIT_COL+${#resp_size}-${#runlevel}))
while [ $((_len++)) -lt $_last_col ]; do
	text="$text."
done
echo -n "$text"
unset _len _last_col

echo "${af6}[${af2} $runlevel ${af6}]${af7}"
unset af2 af6 af7

exit 0