genrunlevel.in

#!/bin/bash

#
# Search for libgenrunlevel
#
LIB="${0%/*}/libgenrunlevel"
[ -d "${LIB}" ] || LIB="@LIB_INSTALL_DIR@"
LIB="${LIB}/libgenrunlevel"

if [ ! -e "${LIB}" ]; then
	echo "ERROR: ${LIB} not found!"
	exit 1
fi

#
# Show the help
#
function show_help {
cat >&2 << EOF
USAGE:
${0} [options] [--all | runlevel1 runlevel2 ... runlevelN]
${0} --migrate
${0} --help

options:
--overwrite       Overwrite files if they exist.
--path PATH       Sets the search path for executables.
--destdir PATH    Destination path prefix (default: /).
--confdir PATH    Configuration directory (default: /etc/initng).

EOF
}


#
# Load libgenrunlevel
#
. "${LIB}"

migrate=

[ ${#} -eq 0 ] && set -e -- --help

while [ ${#} -gt 0 ]; do
	case "${1}" in
	--all)
		all=true
		;;
	--overwrite)
		overwrite=true
		;;
	--dist)
		shift
		dist=${1}
		;;
	--path)
		shift
		search_path=${1}
		;;
	--destdir)
		shift
		DESTDIR=${1}
		;;
	--confdir)
		shift
		CONFDIR=${1}
		;;
	--help)
		show_help
		exit 0
		;;
	--migrate)
		migrate=1
		;;
	--)
		shift
		break
		;;
	*)
	 	break
	 	;;
	esac
	shift
done

[ "${CONFDIR}" ] || CONFDIR="${DESTDIR}/etc/initng"
mkdir -p "${CONFDIR}/runlevel"

if [ -n "${migrate}" ]; then
	RUNLEVELDIR="${CONFDIR}/runlevel"

	if [ -e "${RUNLEVELDIR}/system.virtual" ]; then
		CONFDIR="${RUNLEVELDIR}"
	else
		install -d -m 755 -o root -g root "${RUNLEVELDIR}"
	fi

	[ -e "${CONFDIR}/system.virtual" ] || exit 1

	for RUNLEVEL_FILE in "${CONFDIR}"/*.{runlevel,virtual}; do
		cp "${RUNLEVEL_FILE}"{,.old}
		while read SERVICE; do
			if [ -e "${CONFDIR}/${SERVICE}.virtual" -o -e "${CONFDIR}/${SERVICE}.runlevel" ]; then
				SERVICE="runlevel/${SERVICE}"
			elif [ ! -e "${CONFDIR}/${SERVICE}.i" ]; then
				NSERVICE="$(find "${CONFDIR}" -name $(basename "${SERVICE}").i | sed -r "s:^${CONFDIR}/(.*)\.i\$:\1:; s:\s::g")"
				[ -n "${NSERVICE}" ] && SERVICE="${NSERVICE}"
			fi
			echo "${SERVICE}"
		done < "${RUNLEVEL_FILE}.old" > "${RUNLEVELDIR}/$(basename "${RUNLEVEL_FILE}")"
	done
	exit 0
fi

[ "${search_path}" ] || search_path=$(echo $(
	for dir in $()/bin /sbin /usr/bin /usr/sbin /usr/kde/\*/bin \
			/usr/kde/\*/sbin /opt/bin /opt/sbin /opt/\*/bin \
			/opt/\*/sbin /usr/local/sbin /usr/local/bin
	do [ "$(echo ${dir})" ] && echo ${dir}
	done | grep -v '*')
)

[ "${all}" ] && set -- $(get_runlevels)

for l; do
	create_list ${l}
done

for rl in ${runlevels}; do
	write_runlevel ${rl} > "${CONFDIR}/${rl}"
done

echo "Done generating files."