#!@SHELL@
name='@name@'
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="@libexecdir@/$name"

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

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

_init() {
	repo=`_repo 2> /dev/null`
	if [ -z "$repo" ]; then
		repo=".$name"
		install -d "$repo"
		install -T $RVSDIR/plugins $repo/plugins
		while read plugin; do
			echo "initializing plugin \`$plugin'"
			install -d "$repo/$plugin"
			export REPO=.rvs/$plugin
			if [ -e "$RVSDIR/$plugin/init" ]; then
				"$RVSDIR/$plugin/init"
			fi
		done < $repo/plugins
	else
		_error "repository already exists at \`$repo'"
	fi
}

_install() {
	id=$1
	dir=${2-$id}
	name=`echo $id | sed 's/-.*$//'`
	if (grep "^$name-" "$RVSDIR/plugins" &> /dev/null); then
		# an entry for this plugin already exists, though possibly a
		# different version
		sed -i "s/^$name-.*$/$id/" "$RVSDIR/plugins"
	else
		echo "$id" >> "$RVSDIR/plugins"
	fi
	cp -rp "$dir" "$RVSDIR/$id"
}

_uninstall() {
	id=$1
	sed -i "/^$id$/ d" "$RVSDIR/plugins"
	rm -rf "$RVSDIR/$id"
}

# START OPTION HANDLING #
com=$1;
# END   OPTION HANDLING #
case "$com" in
	'') _error 'no command specified';;
	# 'repo') repo; exit $?;;
	'init') _init; exit $?;;
	  'install') shift;   _install $@; exit $?;;
	'uninstall') shift; _uninstall $@; exit $?;;
	*)	repo=`_repo`
		if exit $?; then
			while read plugin; do
				if [ -f "$RVSDIR/$plugin/$com" ]; then
					done='yes'
					export RVSDIR=$RVSDIR/$plugin
					export REPO=$repo/$plugin
					echo $RVSDIR/$@
					$RVSDIR/$@
					exit $?
					break
				fi
			done < $repi/plugins
		else
			exit 1;
		fi
		if [ "$done" != 'yes' ]; then
			_error "unrecognized command \`$com'"
		fi
	:;;
esac

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