#!/bin/rc
# this is a pile of shit.

e
exit 'no. you are stupid for wanting to use this.'

if(! ~ $#* 2 || ! test -d $1 || ! test -d $2)
	exit 'usage: $0 ref dest'
s=$1
r=$2
if(! ~ $1 /*)
	s=`{pwd}^/^$"s
if(! ~ $2 /*)
	r=`{pwd}^/^$"r

# get missing files in dest
cd $s || exit
ofs=$ifs
ifs='
'
ref=`{du -n | sed '$d;s,^[0-9]+	['']?\./,,;s,['']?$,,;s,'''','',g' | sort -d}
for(i in $ref){
	f=$r^/^$"i
	if(! test -e $f){
		if(test -d $i)
			mkdir $f
		if not
			cp $i $f
	}
	if not if(! test -d $i && ! ~ `{cmp $i $f} '')
		cp $i $f
}

# remove extra files in dest
cd $r || exit
ref=`{du -n | sed '$d;s,^[0-9]+	['']?\./,,;s,['']?$,,;s,'''','',g' | sort -d}
for(i in $ref){
	f=$s^/^$"i
	if(! test -e $f)
		rm -r $i
}
ifs=$ofs