#!@SHELL@
name='@name@'
ver='0.8c'
#   Copyright (C) 2009 Luke Shumaker
#   
#   This file is part of rvs.
#   
#   rvs is free software; you can redistribute it and/or modify it under the
#   terms of the GNU General Public License as published by the Free Software
#   Foundation; either version 2, or (at your option) any later version.
#   
#   rvs 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.
#   
#   You should have received a copy of the GNU General Public License
#   along with rvs; see the file COPYING.
#   If not, write to the Free Software Foundation,
#   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

RVS="$0" #RVS="@rvs@"
libexecdir="@libexecdir@/$name"

_error() {
	echo "$RVS: $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 $name repository found"
	fi
	cd "$owd"
}

_init() {
	repo=`_repo 2> /dev/null`
	if [ -z "$repo" ]; then
		repo=".$name"
		install -d "$repo"
		install -m644 -T $libexecdir/plugins $repo/plugins
		while read plugin; do
			echo "initializing plugin \`$plugin'"
			install -d "$repo/$plugin"
			export REPO=.rvs/$plugin
			if [ -e "$libexecdir/$plugin/init" ]; then
				"$libexecdir/$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 "^$name-" "$libexecdir/plugins" &> /dev/null); then
		# an entry for this plugin already exists, though possibly a
		# different version
		sed -i "s/^$name-.*$/$id/" "$libexecdir/plugins"
	else
		echo "$id" >> "$libexecdir/plugins"
	fi
	rm -rf         "$libexecdir/$id"
	cp -rpT "$dir" "$libexecdir/$id"
}

_uninstall() {
	id=$1
	sed -i "/^$id$/ d" "$libexecdir/plugins"
	rm -rf "$libexecdir/$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 $?;;
	*)	repo=`_repo`
		if [ "$?" = '0' ]; then
			"$libexecdir/runcom" $@ < $repo/plugins
			exit $?
		else
			_error "cannot find an existing repository"
		fi
	:;;
esac

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