File: srcroot.sh

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#!/bin/sh
# @(#)srcroot.sh  1.3 05/05/01 Copyright 2005 J. Schilling
###########################################################################
# Written 2005 by J. Schilling
###########################################################################
# Find and print SRCROOT
###########################################################################
# Copyright J�rg Schilling. All rights reserved.
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only.
# See the file CDDL.Schily.txt in this distribution or
# http://opensource.org/licenses/cddl1.php for details.
###########################################################################

SRCROOT=.
loop=1
while [ $loop -lt 100 ]; do
	#echo "$SRCROOT"
	if [ ! -d $SRCROOT ]; then
		# Abort on ENAMETOOLONG
		break
	fi
	if [ -r $SRCROOT/RULES/rules.top ]; then
		break
	fi
	if [ "$SRCROOT" = . ]; then
		SRCROOT=".."
	else
		SRCROOT="$SRCROOT/.."
	fi
	loop="`expr $loop + 1`"
done
if [ ! -r $SRCROOT/RULES/rules.top ]; then
	echo "Cannot find SRCROOT" 1>&2
	exit 1
fi
echo "$SRCROOT"