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#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.


set -e

# Including common functions
[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh

# Setting static variables
DESCRIPTION="$(Echo 'manage /usr/sbin/policy-rc.d')"
HELP=""
USAGE="${PROGRAM} {install|remove} [--force]"

Arguments "${@}"

# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/system config/binary config/source
Set_defaults

# Requiring stage file
Require_stagefile .build/config .build/bootstrap

case "${1}" in
	install)
		Echo_message "Configuring file /usr/sbin/policy-rc.d"

		# Checking stage file
		Check_stagefile .build/chroot_sysv-rc

		# Checking lock file
		Check_lockfile .lock

		# Creating lock file
		Create_lockfile .lock

		if [ -e chroot/usr/sbin/policy-rc.d ]
		then
			# Save policy-rc.d file
			Chroot chroot dpkg-divert --rename --quiet --add /usr/sbin/policy-rc.d
		fi

		# Create policy-rc.d file
cat > chroot/usr/sbin/policy-rc.d << EOF
#!/bin/sh
echo "All runlevel operations denied by policy" >&2
exit 101
EOF

		chmod 0755 chroot/usr/sbin/policy-rc.d

		# Creating stage file
		Create_stagefile .build/chroot_sysv-rc
		;;

	remove)
		Echo_message "Deconfiguring file /usr/sbin/policy-rc.d"

		# Checking lock file
		Check_lockfile .lock

		# Creating lock file
		Create_lockfile .lock

		# Remove custom policy-rc.d file
		rm -f chroot/usr/sbin/policy-rc.d

		if [ -e chroot/usr/sbin/policy-rc.d.distrib ]
		then
			# Restore policy-rc.d file
			Chroot chroot dpkg-divert --rename --quiet --remove /usr/sbin/policy-rc.d
		fi

		# Removing stage file
		rm -f .build/chroot_sysv-rc
		;;

	*)
		Usage
		;;
esac