#!/usr/bin/env ruby
#
# Copyright (C) 2007 Harald Sitter <sitter.harald@gmail.com>
#
#     fake package injector for kubuntu/debian
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies of the Software and its documentation and acknowledgment shall be
# given in the documentation and software packages that this Software was
# used.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

require 'fileutils.rb'

def help
  puts "Usage: ruby #{$0} [PACKAGENAME] [DISTROVERSION]\n\n"
  puts "fake package injector for kubuntu/debian"
end

# ensure that all args are avilable
if $*[0] == nil or $*[1] == nil or $*[0] == "--help" or $*[0] == "-help" or $*[0] == "-h" then
  help
  exit 1
end

# ensure that used apps are available
`which fakeroot`
if $? == nil then
  puts "please install fakeroot"
  exit 1
end

`which dh_installdeb`
if $? == nil then
  puts "please install debhelper"
  exit 1
end

# check if dir already exists -> if it does -> remove it
if File.exist?("injecttmpdir") then
  FileUtils.remove_dir("injecttmpdir")
end

# create dirs and enter app/debian
Dir.mkdir("injecttmpdir")
Dir.chdir("injecttmpdir")
Dir.mkdir($*[0])
Dir.chdir($*[0])
Dir.mkdir("debian")
Dir.chdir("debian")

# enter compat value
`echo "5" > compat`

# changelog with var usage
`echo "#{$*[0]} (99:99.9-0aplg1) #{$*[1]}; urgency=low

  * Initial release

 -- Harald Sitter <sitter.harald@gmail.com>  Mon,  1 Jan 2001 01:01:01 +0100

" > changelog`

# control with var usage
`echo "Source: #{$*[0]}
Section: kde
Priority: optional
Maintainer: Harald Sitter <sitter.harald@gmail.com>
Build-Depends: debhelper (>= 5)
Standards-Version: 3.7.2

Package: #{$*[0]}
Architecture: any
Description: this is a fake package!!!!!!!!
 this is a superious fake package, don't ye love it? :D
" > control`

# go back to app dir
Dir.chdir("..")

# build package
`fakeroot dh_installdeb`
`fakeroot dh_gencontrol`
`fakeroot dh_md5sums`
`fakeroot dh_builddeb`

# go level up
Dir.chdir("..")

# install package
`sudo dpkg -i #{$*[0]}_99.9-0aplg1_i386.deb`

# clean up
Dir.chdir("..")
FileUtils.remove_dir("injecttmpdir")