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#!/usr/bin/ruby
#
# diffdeb - Diff between Debian Packages/Sources.gz
#
# Usage: diffdeb <old> <new>
#
# diffdeb compares two Packages.gz files and prints packages
# which are only in new Packages (also can be used for Sources.gz).
#
# Copyright (C) 2002 Masato Taruishi <taru@debian.org>
#
# This program 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 of the License, or
# (at your option) any later version.
#
# 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.
#
# You should have received a copy of the GNU General Public License with
# the Debian GNU/Linux distribution in file /usr/share/common-licenses/GPL;
# if not, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA
require 'zlib'
def each (file, &block)
fin = GzipReader.open(file)
fin.each do |line|
yield line
end
fin.close
end
if ARGV.size != 2
$stderr.puts "Usage: #{__FILE__} <old> <new>"
exit 1
end
$old = ARGV.shift
$new = ARGV.shift
old = {}
pkg = nil
ver = nil
each ($old) do |line|
case line
when /\AVersion: (.*)/
ver = $1
when /\APackage: (.*)/
pkg = $1
when "\n"
old[pkg + "_" + ver] = 1
end
end
str = ""
each ($new) do |line|
str << line
case line
when /\AVersion: (.*)/
ver = $1
when /\APackage: (.*)/
pkg = $1
when "\n"
puts str unless old.include?(pkg + "_" + ver)
str = ""
end
end
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