### written by Benjamin Shropshire (a.k.a. BCS)
### shro8822drop_this at vandals dot uidaho edu
###
### This script has no warranty of any kind. If it breaks yours system, tell 
### me about it and I'll try to fix this script. Besides that you assume all 
### responsibility for all effects of using it.
###


SAVE_OLD=true
WEB_DOCS=false
CLEAN_OLD=false
CLEAN_AFTER=false

if [ -z "$1" ]
then
	DMD_ZIP_FILE=dmd.zip
else
	DMD_ZIP_FILE=dmd.$1.zip
fi

echo === Getting $DMD_ZIP_FILE
echo     On some systems this errors, don't worry, it's still works
ftp << E
open ftp.digitalmars.com

user anonymous foo@bar.com
binary
get $DMD_ZIP_FILE
bye
E

echo === got $DMD_ZIP_FILE

if $CLEAN_OLD ; then (
	ehco === clear space for dmd 
	rm -rf dmd/ dm/
) ; fi

echo === extract files
unzip -o -q $DMD_ZIP_FILE

echo === find where to put man files
MAND=`man -w gcc ln cpp as ar tar ls bash 2>/dev/null | head -n 1 | sed "s/\/[^\/]*$//"`


if $SAVE_OLD ; then ( 
	echo === geting old version num.
	DMDVER=`dmd | grep Comp | sed "s/.*v//"`

	if [ -e /usr/bin/dmd.$DMDVER ]
	then
		echo === found saved copy of V $DMDVER : not saving again
		SAVE_OLD=false
	else
		echo === saveing old stuff from V $DMDVER
		mv /usr/bin/dmd /usr/bin/dmd.$DMDVER
		mv /usr/lib/libphobos.a /usr/lib/libphobos.a.$DMDVER
		mv /usr/include/phobos /usr/include/phobos.$DMDVER
		mv $MAND/man1/dmd.1 $MAND/man1/dmd.$DMDVER.1
	fi
) ; fi

if $SAVE_OLD && $WEB_DOCS ; then ( 
	echo === save old dmd docs
	mv /var/www/html/dmd /var/www/html/dmd.$DMDVER
) ; fi

echo === copy dmd to the correct place
cp dmd/bin/dmd /usr/bin/dmd
chmod 755 /usr/bin/dmd

echo === copy libphobos.a
cp dmd/lib/libphobos.a /usr/lib/libphobos.a
chmod 644 /usr/lib/libphobos.a

echo === copy phobos source
cp -r dmd/src/phobos /usr/include/phobos
chmod 755 /usr/include/phobos
find /usr/include/phobos -type d -exec chmod 755 "{}" ";"
find /usr/include/phobos -type f -exec chmod 644 "{}" ";"

echo === copy man page
cp dmd/man/man1/dmd.1 $MAND/dmd.1
chmod 644 $MAND/dmd.1

if $WEB_DOCS ; then ( 
	echo === install dmd docs for httpd
	cp -r dmd/html/ /var/www/html/dmd
	chown apache:apache -R /var/www/html/dmd/
	find /var/www/html/dmd -type d -exec chmod 755 "{}" ";"
	find /var/www/html/dmd -type f -exec chmod 444 "{}" ";"
) ; fi

if $CLEAN_AFTER ; then (
	echo === clearup after dmd install
	rm -rf dmd/ dm/
) ; fi