#!/bin/sh

LF=$(printf '\nX')
LF=${LF%X}
IFS=${LF}

if [ -r /etc/defaults/rc.conf ]; then
         . /etc/defaults/rc.conf
         source_rc_confs
elif [ -r /etc/rc.conf ]; then
         . /etc/rc.conf
fi

set -eu

sysf=$(ls -1 /etc/rc.d/*)
locf=$(ls -1 "$local_startup"/*)
badrc=

for i in $locf ; do
    if rcorder 2>&1 $sysf $i | grep -qi circular ; then
	badrc="$badrc${badrc:+" "}$i"
    fi
done

if test "$badrc" ; then
    echo "RC files introducting cycles:"
    printf '%s\n' "$badrc"
    exit 1
fi

echo "No RC files introduce cycles by themselves. Trying full rcorder:"
rcorder $sysf $locf >/dev/null

echo "Done."