#! /bin/sh
#
#
src=src
case "$1" in
-s)	shift; src=$1; shift ;;
esac

if [ ! -d $1 ]; then
	mkdir $1
fi

prog=`basename $0`

echo "${prog}: creating clone of bash source tree (from $src) in $1"

case $src in
/*)	abs=yes ;;
esac

d=${PWD-`pwd`}

cd $1 || { echo "$0: cannot cd to $1" ; exit 1; }

d=$d/$1

SUBDIRS="CWRU builtins documentation examples support tests"
LIBDIRS="malloc termcap glob readline tilde malloclib posixheaders doc-support"
CWRUDIRS="misc"

mkdir $SUBDIRS
for i in $SUBDIRS
do
	cd $i
	case "$abs" in
	yes)	ln -s $src/$i/* . ;;
	*)	ln -s ../../$src/$i/* . ;;
	esac
	echo -n $i..
	cd ..
done
cd $d

cd CWRU
for i in $CWRUDIRS
do
	rm -f $i
	mkdir $i
	cd $i
	case "$abs" in
	yes)	ln -s $src/CWRU/$i/* . ;;
	*)	ln -s ../../../$src/CWRU/$i/* . ;;
	esac
	echo -n "CWRU/$i.."
	cd ..
done
cd $d

if [ ! -d lib ] ; then
	mkdir lib
fi

cd lib
mkdir $LIBDIRS

for i in $LIBDIRS
do
	cd $i
	case "$abs" in
	yes)	ln -s $src/lib/$i/* . ;;
	*)	ln -s ../../../$src/lib/$i/* . ;;
	esac
	echo -n "lib/$i.."
	cd ..
done

cd $d

case "$abs" in
yes)	ln -s $src/.[a-z]* . ; ln -s $src/* . 2>&1 | grep -v exists ;;
*)	ln -s ../$src/.[a-z]* . ; ln -s ../$src/* . 2>&1 | grep -v exists ;;
esac

echo -n src..

SPECIAL="parser-built y.tab.h y.tab.c"
for x in $SPECIAL
do
	rm -f $x
	cp ../$src/$x .
done

echo special

exit 0