#!$$SHELL$$
name='rvs'
ver='0.7.0'
# Copyright (C) 2009 Luke Shumaker
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# Originally written by Luke Shumaker <lukeshu@sbcglobal.net>.

RVSDIR='$$libdir$$'
REPO=`$RVSDIR/repo`

error() {
	echo "$name: $1" >> /dev/stderr
	exit 1
}

repo() {
	repo='.rvs'
	pwd=`pwd`
	owd="$pwd"
	
	while [ "$pwd" != "`pwd`" ] && [ ! -e "`pwd`/$repo" ]; do
		pwd=`pwd`
		cd ..
	done
	
	if [ -e "`pwd`/$repo" ]; then
		echo "`pwd`/$repo"
	else 
		echo "$name: no rvs repository found" >> /dev/stderr
		exit 1
	fi
	cd "$owd"
}


init() {
	repo=`repo`
	if [ -z "$repo" ]; then
		repo='.rvs'
		install -d "$repo"
	fi
	
	if diff -q $RVSDIR/plugins $repo/plugins; then
		install -T $RVSDIR/plugins $repo/plugins
		while read plugin; do
			if [ ! -e "$repo/$plugin" ]; then
				install -d "$repo/$plugin"
				if [ -e "$RVSDIR/$plugin/init" ]; then
					$RVSDIR/$plugin/init
				fi
			fi
		done < $repo/plugins
	fi
}

# START OPTION HANDLING #
com=$1;
# END   OPTION HANDLING #
case "$com" in
	'') error 'no command specified';;
	'repo') repo;;
	'init') init;;
	*)
		if [ -f "$RVSDIR/$com" ]; then
			export RVSDIR
			$RVSDIR/$@
			done='yes'
		else
			while read plugin; do
				if [ -f "$RVSDIR/$plugin/$com" ]; then
					export RVSDIR=$RVSDIR/$plugin
					export REPO=$REPO/$plugin
					$RVSDIR/$@
					done='yes'
					break
				fi
			done < $REPO/plugins
		fi
		if [ "$done" != 'yes' ]; then
			error "unrecognized command \`$com'"
		fi
	:;;
esac

#args=`getopt -n "$name" -o "${sopt}" -l "${lopt}" -- "$@"`
#if [ $? == 0 ]; then
#	set -- $args
#	while [ $# -gt 0 ]; do
#		case "$1" in
#			-V | --version) mode='version';;
#			-h | -H | -\? | --help) mode='help';;
#			
#			-v | --verbose) volume='-v';;
#			-q | --quiet)   volume='-q';;
#			
#			--) shift; break;;
#		esac
#		shift;
#	done
#else
#	error
#fi