configure

#!/usr/bin/env ruby
#    Rubyripper - A secure ripper for Linux/BSD/OSX
#    Copyright (C) 2007 - 2010  Bouke Woudstra (boukewoudstra@gmail.com)
#
#    This file is part of Rubyripper. Rubyripper 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 3 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
#    along with this program.  If not, see <http://www.gnu.org/licenses/>

# TODO fix the config script, to not default to /usr/local/share

###################################
# CHECK CORRECT ENVIRONMENT FIRST #
###################################

if ENV['PWD'] == nil
  puts "Your current working directory cannot be determined."
  puts "There are two possible reasons for this:"
  puts "1) You run configure with sudo (you shouldn't)."
  puts "2) Your shell needs to export the $PWD variable."
  exit()
end

###########################
# SETUP INSTALL VARIABLES #
###########################

$PREFIX='/usr/local'
$BINDIR='/bin'
$LOCALE='/share/locale'
$ICONDIR='/share/icons/hicolor/128x128/apps'
$DESKTOP='/share/applications'
$RUBYDIR= '/lib/rubyripper' #in case site_ruby doesn't return any matches

$:.each do |ruby_dir|
  if ruby_dir.include?("site_ruby")
    if ruby_dir[0..3] == "/usr"
      $RUBYDIR = ruby_dir[4..-1] # '/usr' is prepended by $PREFIX later
    else
      $RUBYDIR = ruby_dir
    end
    break
  end
end

if RUBY_PLATFORM.include?('darwin')
  $INSTALL = 'install'
else
  $INSTALL = 'install -D'
end

$GTK2 = false
$CLI = false
$LANG = []
$LANG_SUPPORT = ["nl", "de", "fr", "hu", "ru", "es", "se", "bg", "it"]

##################################
# START SOME DEPENDENCY CHECKING #
##################################
# Put the local lib directory on top of the ruby default lib search path
$:.insert(0, File.expand_path('../lib', __FILE__))

require 'rubyripper/base'
require 'rubyripper/system/dependency'

begin
#  require 'gettext/utils'
  require 'gettext/tools'
rescue LoadError
  puts "Could not import gettext; skip language support..."
  $LANG_SUPPORT = []
end

####################
# SHOW THE OPTIONS #
####################

if ARGV.include?('--help') || ARGV.include?('-h') || ARGV.length == 0
  puts ""
  puts "--prefix=<destination_dir>  (default: #{$PREFIX})"
  puts "--bindir=<bin_dir>  (default: #{$BINDIR})"
  puts "--locale=<locale_dir>  (default: #{$LOCALE})"
  puts "--icondir=<icon_theme_dir>  (default: #{$ICONDIR})"
  puts "--desktop=<desktop_dir>  (default: #{$DESKTOP})"
  puts "--ruby=<ruby_dir>  (default: #{$RUBYDIR})"
  puts ""
  puts "--enable-gtk2  (install the gtk2 frontend)"
  puts "--enable-cli  (install the cli frontend)"
  puts "--enable-lang-all  (install all locale files)"
  puts "--enable-lang=<xx>  (install specific locale file, separate with a comma)"
  puts ""
  puts "LANGUAGE SUPPORT"
  puts "--update-po (updates all po translation files, input = source code)"
  puts "--update-mo (update all binary translation files, input = po files)"
#  puts "--update-lib (resets file locations in ruby files)"
  puts ""
  exit()
end

##############################################
# Update the po-files (editable)             #
# Update the mo-files (binary)               #
# The mo files are created from the Makefile #
##############################################

def update_po
  if ($LANG_SUPPORT.size != 0)
    begin
      GetText.update_pofiles("rubyripper", Dir.glob("lib/**/*.rb") +
        Dir.glob("bin/*"), "Rubyripper #{$rr_version}")
    rescue Exception => e
      puts "\n", '*' * 80, "\n"
      puts e.backtrace
      puts e.message
      puts "\n", '*' * 80, "\n"
      puts "Unfortunately ruby-gettext crashed at updating the po file."
      puts "This is a known issue with ruby-1.9 and ruby-gettext."
      puts "See also issue 400 at http://code.google.com/p/rubyripper."
      puts "For official releases the po files are already updated."
      puts "\n", '*' * 80, "\n"
    end
    update_mo()
  end
end

def update_mo
  GetText.create_mofiles()
end

def check_deps
  puts "Checking the NEEDED dependencies...."

  installed('cdparanoia') ? puts("cdparanoia found...") : puts("cdparanoia NOT found")

  puts "\nChecking the OPTIONAL dependencies..."

  puts "Testing support for the graphical frontend..."

  begin
    require 'gtk2'
    puts "ruby-gtk2 bindings found"
  rescue LoadError
    puts "ruby-gtk2 is not found. The graphical frontend won't work!"
  rescue
    # see issue 514
    puts "Warning: ruby-gtk2 is not working in your current environment."
  end

  puts "\nTesting support for freedb metadata fetching..."
  (installed('cd-discid') || installed('discid')) ? puts("cd-discid or discid found...") : puts("Neither cd-discid or discid could be found.")

  puts "\nTesting support for ejecting the disk tray..."
  (installed('eject') || installed('diskutil')) ? puts("eject or disktutil found...") : puts("Neither eject or disktutil could be found.")
  
  puts "\nTesting support for different codecs on your system..."
  installed('flac') ? puts("flac found...") : puts("flac NOT found.")
  installed('oggenc') ? puts("oggenc (vorbis) found...") : puts("oggenc (vorbis) NOT found.")
  installed('lame') ? puts("lame (mp3) found...") : puts("lame (mp3) NOT found.")

  puts "\nTesting support for replaygain..."
  installed('wavegain') ? puts("wavegain found...") : puts("wavegain NOT found.")
  installed('vorbisgain') ? puts("vorbisgain found...") : puts("vorbisgain NOT found.")
  installed('mp3gain') ? puts("mp3gain found...") : puts("mp3gain NOT found.")

  puts "\nTesting support for normalize..."
  installed('normalize') ? puts("normalize found...") : puts("normalize NOT found")
end

def update_lib
  ['rr_lib.rb', 'rubyripper_gtk2.rb', 'rubyripper_cli.rb'].each do |filename|
    file = File.readlines(filename)
    index = 0
    file.each do |line|
      if line =~ /LOCALE=/
        file[index] = "LOCALE=[ENV['PWD'] + \"/locale\", \"#{$PREFIX + $LOCALE}\"]"
        break
      elsif line =~ /ICONDIR=/
        file[index] = "ICONDIR=[ENV['PWD'], \"#{$PREFIX + $ICONDIR}\"]"
      elsif line =~ /RUBYDIR=/
        file[index] = "RUBYDIR=[ENV['PWD'], File.dirname(__FILE__), \"#{$PREFIX + $RUBYDIR}\"]"
        break
      end
      index += 1
    end
    outputfile = File.open(filename, "w+")
    file.each{|line| outputfile.puts line}
    outputfile.close()
  end
end

ARGV.each do |argument|
  if argument[0,9] == "--prefix="
    $PREFIX = argument[9..-1]
  elsif argument[0,9] == "--bindir="
    $BINDIR = argument[9..-1]
  elsif argument[0,9] == "--locale="
    $LOCALE = argument[9..-1]
  elsif argument[0,10] == "--icondir="
    $ICONDIR = argument[10..-1]
  elsif argument[0,10] == "--desktop="
    $DESKTOP = argument[10..-1]
  elsif argument[0,7] == "--ruby="
    $RUBYDIR = argument[7..-1]
  elsif argument == '--enable-gtk2'
    $GTK2 = true
  elsif argument == '--enable-cli'
    $CLI = true
  elsif argument == '--enable-lang-all'
    $LANG=$LANG_SUPPORT
  elsif argument[0,14] == '--enable-lang='
    argument[14..-1].split(',').each{|lang| if $LANG_SUPPORT.include?(lang) ; $LANG << lang end}
  elsif argument == "--update-po"
    update_po()
  elsif argument == "--update-mo"
    update_mo()
  elsif argument == "--update-lib"
# TODO    update_lib()
    exit()
  end
end

unless ($GTK2 || $CLI)
  puts "You have to choose at least one frontend you want to install!"
  puts ""
  exit()
end

puts "The configure script has to be updated for the 0.7.0 release."
puts "Please use the stable branch if you want to install rubyripper: git checkout stable"
puts "You can also run rubyripper directly without installing: ./bin/rubyripper_cli"
raise "CONFIG SCRIPT NOT READY FOR INSTALL"
check_deps()

puts "Creating the Makefile..."
makefile = File.new("Makefile", "w+")
makefile.puts "#This Makefile is automatically created by configure"
makefile.puts ""
makefile.puts "BINDIR=#{$PREFIX}#{$BINDIR}"
makefile.puts "LOCALE=#{$PREFIX}#{$LOCALE}"
makefile.puts "ICONDIR=#{$PREFIX}#{$ICONDIR}"
makefile.puts "DESKTOP=#{$PREFIX}#{$DESKTOP}"
makefile.puts "RUBYDIR=#{$PREFIX}#{$RUBYDIR}"
makefile.puts ""
makefile.puts "all:"
makefile.puts "\truby configure --update-mo #update the locale files"
makefile.puts ""
makefile.puts "install: all"
makefile.puts "\t#{$INSTALL} -m 644 rr_lib.rb $(prefix)$(DESTDIR)$(RUBYDIR)/rr_lib.rb"

if $GTK2
  makefile.puts "\t#{$INSTALL} -m 755 rubyripper_gtk2.rb $(prefix)$(DESTDIR)$(BINDIR)/rrip_gui"
  makefile.puts "\t#{$INSTALL} -m 644 rubyripper.png $(prefix)$(DESTDIR)$(ICONDIR)/rubyripper.png"
  makefile.puts "\t#{$INSTALL} -m 644 rubyripper.desktop $(prefix)$(DESTDIR)$(DESKTOP)/rubyripper.desktop"
end

if $CLI
  makefile.puts "\t#{$INSTALL} -m 755 -D rubyripper_cli.rb $(prefix)$(DESTDIR)$(BINDIR)/rrip_cli"
end

$LANG.each do |lang|
  makefile.puts "\t#{$INSTALL} -m 644 locale/#{lang}/LC_MESSAGES/rubyripper.mo $(prefix)$(DESTDIR)$(LOCALE)/#{lang}/LC_MESSAGES/rubyripper.mo"
end

makefile.puts ""
makefile.puts "uninstall:"
makefile.puts "\trm $(prefix)$(DESTDIR)$(RUBYDIR)/rr_lib.rb"

if $GTK2
  makefile.puts "\trm $(prefix)$(DESTDIR)$(BINDIR)/rrip_gui"
  makefile.puts "\trm $(prefix)$(DESTDIR)$(ICONDIR)/rubyripper.png"
  makefile.puts "\trm $(prefix)$(DESTDIR)$(DESKTOP)/rubyripper.desktop"
  makefile.puts "\tgtk-update-icon-cache #{$PREFIX}#{$DESTDIR}#{$ICONDIR}"
end

if $CLI
  makefile.puts "\trm $(prefix)$(DESTDIR)$(BINDIR)/rrip_cli"
end

$LANG.each do |lang|
  makefile.puts "\trm $(prefix)$(DESTDIR)$(LOCALE)/#{lang}/LC_MESSAGES/rubyripper.mo"
end
makefile.puts ""
makefile.puts "clean:"
makefile.puts "\truby configure --update-lib"
makefile.puts "\trm Makefile"
makefile.puts "distclean:"
makefile.puts ""
makefile.close

# TODO update_lib() #set file locations in the ruby files

puts "A summary of your settings:"
puts ""
puts "Using the following locations for install:"
puts "* Executables: #{$PREFIX}#{$BINDIR}"
puts "* Localization files: #{$PREFIX}#{$LOCALE}"
puts "* Icon file: #{$PREFIX}#{$ICONDIR}"
puts "* Desktop file: #{$PREFIX}#{$DESKTOP}"
puts "* Ruby library: #{$PREFIX}#{$RUBYDIR}"
puts ""

if $GTK2 == true; puts "Gtk2 frontend will be installed" end
if $CLI == true; puts "Cli frontend will be installed" end
unless $LANG.empty?; puts "Languages to be installed: #{$LANG.join(', ')}" end

puts ""
puts "You can now run make install"
puts "Make sure you've got the writing privileges"
puts ""