#!/usr/bin/env ruby
# -*- ruby -*-
#
# Copyright (c) 2000-2001 Akinori MUSHA
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#

RCS_ID = %q$Idaemons: /home/cvs/pkgtools/pkgdb,v 1.1 2001/09/21 18:53:59 knu Exp $
RCS_REVISION = RCS_ID.split[2]
MYNAME = File.basename($0)

require "optparse"
require "pkgtools"

COLUMNSIZE = 24
NEXTLINE = "\n%*s" % [5 + COLUMNSIZE, '']

$force = false
$update_db = false

def main(argv)
  usage = <<-"EOF"
usage: #{MYNAME} [-hfu] [file ...]
    EOF

  banner = <<-"EOF"
#{MYNAME} rev.#{RCS_REVISION}

#{usage}
  EOF

  OptionParser.new(banner, COLUMNSIZE) do |opts|
    opts.def_option("-h", "--help", "Show this message") {
      print opts
      return 0
    }

    opts.def_option("-f", "--force", "Force to update database regardless of timestamps") {
      |$force|
    }

    opts.def_option("-u", "--update", "Update INDEX.db and INDEX.rbo") {
      |$update_db|
    }

    opts.def_tail_option '
Environment Variables [default]:
    PKG_DBDIR                packages db directory [/var/db/pkg]'

    if argv.empty?
      print opts
      return 0
    end

    begin
      opts.order!(argv)

      if $update_db
	$pkgdb.update_db($force)
      end

      list = []
      
      opts.order(*argv) do |arg|
	if File.exists?(arg)
	  path = arg
	else
	  path = `which #{arg}`.chomp

	  if not File.exists?(path)
	    STDERR.puts "#{arg}: not found"
	    next
	  end
	end

	printf "%s: %s\n", path, $pkgdb.which(path) || '?'
      end
    rescue OptionParser::ParseError => e
      STDERR.puts "#{MYNAME}: #{e}", usage
      exit 64
    end
  end

  0
end

if $0 == __FILE__
  exit main(ARGV)
end
