/Rakefile

$:.unshift '.'

require 'rubygems'
require 'rake'
require 'rake/clean'
if RUBY_VERSION != '1.8.7'
require_relative 'platform/skel'
else
require File.join(File.dirname(__FILE__), 'platform/skel')
end
require 'fileutils'
require 'find'
require 'yaml'
include FileUtils

# Use Syck for backward compatibility
YAML::ENGINE.yamler = 'syck'

APP = YAML.load_file(File.join(ENV['APP'] || ".", "app.yaml"))
APPNAME = APP['name']
RELEASE_ID, RELEASE_NAME = APP['version'], APP['release']
NAME = APP['shortname'] || APP['name'].downcase.gsub(/\W+/, '')
SONAME = 'shoes'

# Like puts, but only if we've --trace'd
def vputs(str)
  puts str if Rake.application.options.trace
end

begin
require 'cucumber'
require 'cucumber/rake/task'

Cucumber::Rake::Task.new(:features) do |t|
  t.cucumber_opts = "--format pretty"
end

rescue LoadError
  vputs("Cukes is not loaded -- please `bundle install`")
end

begin

require 'rspec/core/rake_task'
RSpec::Core::RakeTask.new(:spec) do |t|
  t.rspec_opts = ["--color"]
end

rescue LoadError
  vputs("RSpec is not loaded -- please `bundle install`")
end

begin

require 'bundler'
Bundler::GemHelper.install_tasks

rescue LoadError
  vputs("Bundler is not loaded -- please `gem install bundler && bundle install`")
end

GIT = ENV['GIT'] || "git"
REVISION = (`#{GIT} rev-list HEAD`.split.length + 1).to_s
VERS = ENV['VERSION'] || "0.r#{REVISION}"
PKG = "#{NAME}-#{VERS}"
APPARGS = APP['run']
FLAGS = %w[DEBUG VIDEO]
VLC_VERSION = (RUBY_PLATFORM =~ /win32/ ? "0.8": `vlc --version 2>/dev/null`.split[2])
VLC_0_8 = VLC_VERSION !~ /^0\.9/

BIN = "*.{bundle,jar,o,so,obj,pdb,pch,res,lib,def,exp,exe,ilk}"
CLEAN.include ["{bin,shoes}/#{BIN}", "req/**/#{BIN}", "dist/**/*", "dist", "*.app"]

RUBY_SO = RbConfig::CONFIG['RUBY_SO_NAME']
RUBY_V = RbConfig::CONFIG['ruby_version']
RUBY_LIB_BASE = File.basename(RbConfig::CONFIG['libdir'])
RUBY_PROGRAM_VERSION = RbConfig::CONFIG['RUBY_PROGRAM_VERSION']
SHOES_RUBY_ARCH = RbConfig::CONFIG['arch']
RUBY_1_9 = (RUBY_V =~ /^1\.9/)
if RUBY_1_9
  $: << "."
end

if ENV['APP']
  %w[dmg icons].each do |subk|
    APP[subk].keys.each do |name|
      APP[subk][name] = File.join(ENV['APP'], APP[subk][name])
    end
  end
end

if File.exists? ".git/refs/tags/#{RELEASE_ID}/#{RELEASE_NAME}"
  abort "** Rename this release (and add to lib/shoes.rb) #{RELEASE_NAME} has already been tagged."
end

# Same effect as sourcing a shell script before running rake. It's necessary to
# set these values before the make/{platform}/env.rb files are loaded.
def osx_bootstrap_env
  ENV['DYLD_LIBRARY_PATH'] = '/usr/local/Cellar/cairo/1.10.2/lib:/usr/local/Cellar/cairo/1.10.2/include/cairo'
  ENV['LD_LIBRARY_PATH'] = '/usr/local/Cellar/cairo/1.10.2/lib:/usr/local/Cellar/cairo/1.10.2/include/cairo'
  ENV['CAIRO_CFLAGS'] = '-I/usr/local/Cellar/cairo/1.10.2/include/cairo'
  ENV['SHOES_DEPS_PATH'] = '/usr/local'
end



case RUBY_PLATFORM
when /mingw/
  require File.expand_path('rakefile_mingw')
  Builder = MakeMinGW
  NAMESPACE = :win32
when /darwin/
  osx_bootstrap_env
  require File.expand_path('make/darwin/env')
  require_relative "make/darwin/homebrew"
  import "tasks/req.rake"

  task :stub do
    ENV['MACOSX_DEPLOYMENT_TARGET'] = '10.4'
    sh "gcc -O -isysroot /Developer/SDKs/MacOSX10.4u.sdk -arch i386 -arch ppc -framework Cocoa -o stub platform/mac/stub.m -I."
  end
  NAMESPACE = :osx
when /linux/
  require File.expand_path('rakefile_linux')
  Builder = MakeLinux
  NAMESPACE = :linux
else
  puts "Sorry, your platform [#{RUBY_PLATFORM}] is not supported..."
end

# --------------------------
# common platform tasks

desc "Same as `rake build'"
task :default => [:build]

desc "Does a full compile, with installer"
task :package => [:build, :installer]

task :build_os => [:build_skel, "dist/#{NAME}"]

task "shoes/version.h" do |t|
  File.open(t.name, 'w') do |f|
    f << %{#define SHOES_RELEASE_ID #{RELEASE_ID}\n#define SHOES_RELEASE_NAME "#{RELEASE_NAME}"\n#define SHOES_REVISION #{REVISION}\n#define SHOES_BUILD_DATE #{Time.now.strftime("%Y%m%d")}\n#define SHOES_PLATFORM "#{SHOES_RUBY_ARCH}"\n}
  end
end

task "dist/VERSION.txt" do |t|
  File.open(t.name, 'w') do |f|
		f << %{shoes #{RELEASE_ID} \"#{RELEASE_NAME}\" [#{RUBY_PLATFORM} Ruby-#{RUBY_VERSION}]}
    %w[VIDEO DEBUG].each { |x| f << " +#{x.downcase}" if ENV[x] }
    f << "\n"
  end
end

# shoes is small, if any include changes, go ahead and build from scratch.
SRC.zip(OBJ).each do |c, o|
  file o => [c] + Dir["shoes/*.h"]
end

# ------
# skel

def skel_replace(line)
  line.gsub! /\s+%DEFAULTS%/ do
    if APPARGS
      args = APPARGS.split(/\s+/)
      %{
        char *default_argv[] = {argv[0], #{args.inspect[1..-2]}};
        argv = default_argv;
        argc = #{args.length + 1};
      }
    end
  end
  line
end

# preprocess .skel
task :build_skel do |t|
  Dir["bin/*.skel"].each do |src|
    name = src.gsub(/\.skel$/, '.c')
    File.open(src) do |skel|
      File.open(name, 'w') do |c|
        skel.each_line do |line|
          c << skel_replace(line)
        end
      end
    end
  end
end

# --------------------------
# tasks depending on Builder = MakeLinux|MakeDarwin|MakeMinGW

desc "Does a full compile, for the OS you're running on"
task :build => ["#{NAMESPACE}:build"]

# first refactor ; build calls platform namespaced build;
# for now, each of those calls the old build method.
task :old_build => [:build_os, "dist/VERSION.txt"] do
  Builder.common_build
  Builder.copy_deps_to_dist
  Builder.copy_files_to_dist
  Builder.setup_system_resources
end

directory 'dist'

task "dist/#{NAME}" => ["dist/lib#{SONAME}.#{DLEXT}", "bin/main.o"] + ADD_DLL + ["#{NAMESPACE}:make_app"]

task "dist/lib#{SONAME}.#{DLEXT}" => ['shoes/version.h', 'dist'] + OBJ + ["#{NAMESPACE}:make_so"]

def cc(t)
  sh "#{CC} -I. -c -o #{t.name} #{LINUX_CFLAGS} #{t.source}"
end

rule ".o" => ".m" do |t|
  cc t
end

rule ".o" => ".c" do |t|
  cc t
end

desc "Generate an installer for the current platform"
task :installer => ["#{NAMESPACE}:installer"]

def rewrite before, after, reg = /\#\{(\w+)\}/, reg2 = '\1'
  File.open(after, 'w') do |a|
    File.open(before) do |b|
      b.each do |line|
        a << line.gsub(reg) do
          if reg2.include? '\1'
            reg2.gsub(%r!\\1!, Object.const_get($1))
          else
            reg2
          end
        end
      end
    end
  end
end

def copy_files glob, dir
  FileList[glob].each { |f| cp_r f, dir }
end

namespace :osx do
  namespace :deps do
    task :install => "homebrew:install"
    namespace :homebrew do
      desc "Install OS X dependencies using Homebrew"
      task :install => [:customize, :install_libs, :uncustomize]

      task :install_libs do
        brew = Homebrew.new
        brew.universal if ENV['SHOES_OSX_ARCH'] == "universal"
        brew.install_packages
      end

      task :customize do
        brew = Homebrew.new
        brew.universal if ENV['SHOES_OSX_ARCH'] == "universal"
        brew.add_custom_remote
        brew.add_custom_formulas
      end

      task :uncustomize do
        brew = Homebrew.new
        brew.universal if ENV['SHOES_OSX_ARCH'] == "universal"
        brew.remove_custom_formulas
        brew.remove_custom_remote
      end
   end
  end

  task :build => ["build_tasks:pre_build", :build_skel, "dist/#{NAME}", "dist/VERSION.txt", "build_tasks:build"]

  namespace :build_tasks do

    task :build => [:common_build, :copy_deps_to_dist, :change_install_names, :copy_files_to_dist, :setup_system_resources, :verify]

    # Make sure the installed ruby is capable of this build
    task :check_ruby_arch do
      build_arch, ruby_arch = [OSX_ARCH, RbConfig::CONFIG['ARCH_FLAG']].map {|s| s.split.reject {|w| w.include?("arch")}}
      if build_arch.length > 1 and build_arch.sort != ruby_arch.sort
        abort("To build universal shoes, you must first install a universal ruby")
      end
    end

    task :pre_build => :check_ruby_arch

    def dylibs_to_change lib
      `otool -L #{lib}`.split("\n").inject([]) do |dylibs, line|
        if  line =~ /^\S/ or line =~ /System|@executable_path|libobjc/
          dylibs
        else
          dylibs << line.gsub(/\s\(compatibility.*$/, '').strip
        end
      end
    end

    # Find additional dylibs needed by other_lib (ignoring duplicates)
    def additional_dylibs dylibs, other_lib
      dylibs_to_change(other_lib).delete_if do |d|
        basenames = dylibs.map { |lib| File.basename(lib) }
        basenames.include? File.basename(d)
      end
    end

    task :change_install_names do
      cd "dist" do
        ["#{NAME}-bin", "pango-querymodules", *Dir['*.dylib'], *Dir['pango/modules/*.so']].each do |f|
          sh "install_name_tool -id @executable_path/#{File.basename f} #{f}"
          dylibs = dylibs_to_change(f)
          dylibs.each do |dylib|
            sh "install_name_tool -change #{dylib} @executable_path/#{File.basename dylib} #{f}"
          end
        end
      end
    end

    task :copy_pango_modules_to_dist do
      modules_file = `brew --prefix`.chomp << '/etc/pango/pango.modules'
      modules_path = File.open(modules_file) {|f| f.grep(/^# ModulesPath = (.*)$/){$1}.first}
      mkdir_p 'dist/pango'
      unless File.exists?('dist/pango/modules')
        cp_r modules_path, 'dist/pango'
      end

      unless File.exists?("dist/pango-querymodules")
        cp `which pango-querymodules`.chomp, 'dist/'
      end
    end

    task :copy_deps_to_dist => :copy_pango_modules_to_dist do
      # Generate a list of dependencies straight from the generated files.
      # Start with dependencies of shoes-bin and pango-querymodules, and then
      # add the dependencies of those dependencies.
      dylibs = dylibs_to_change("dist/#{NAME}-bin")
      dylibs.dup.each do |dylib|
        dylibs.concat additional_dylibs(dylibs, dylib)
      end
      dylibs.each {|libn| cp "#{libn}", "dist/"}
      # Verbose mode raises an exception (ruby bug?)
      chmod_R "u+w", "dist/", :verbose => false
    end

    task :copy_files_to_dist do
      if ENV['APP']
        if APP['clone']
          sh APP['clone'].gsub(/^git /, "#{GIT} --git-dir=#{ENV['APP']}/.git ")
        else
          cp_r ENV['APP'], "dist/app"
        end
        if APP['ignore']
          APP['ignore'].each do |nn|
            rm_rf "dist/app/#{nn}"
          end
        end
      end

      cp_r  "fonts", "dist/fonts"
      cp_r  "lib", "dist/lib"
      cp_r  "samples", "dist/samples"
      cp_r  "static", "dist/static"
      cp    "README.md", "dist/README.txt"
      cp    "CHANGELOG", "dist/CHANGELOG.txt"
      cp    "COPYING", "dist/COPYING.txt"
    end

    task :setup_system_resources do
      rm_rf "#{APPNAME}.app"
      mkdir "#{APPNAME}.app"
      mkdir "#{APPNAME}.app/Contents"
      cp_r "dist", "#{APPNAME}.app/Contents/MacOS"
      mkdir "#{APPNAME}.app/Contents/Resources"
      mkdir "#{APPNAME}.app/Contents/Resources/English.lproj"
      sh "ditto \"#{APP['icons']['osx']}\" \"#{APPNAME}.app/App.icns\""
      sh "ditto \"#{APP['icons']['osx']}\" \"#{APPNAME}.app/Contents/Resources/App.icns\""
      rewrite "platform/mac/Info.plist", "#{APPNAME}.app/Contents/Info.plist"
      cp "platform/mac/version.plist", "#{APPNAME}.app/Contents/"
      rewrite "platform/mac/pangorc", "#{APPNAME}.app/Contents/MacOS/pangorc"
      cp "platform/mac/command-manual.rb", "#{APPNAME}.app/Contents/MacOS/"
      rewrite "platform/mac/shoes-launch", "#{APPNAME}.app/Contents/MacOS/#{NAME}-launch"
      chmod 0755, "#{APPNAME}.app/Contents/MacOS/#{NAME}-launch"
      chmod 0755, "#{APPNAME}.app/Contents/MacOS/#{NAME}-bin"
      rewrite "platform/mac/shoes", "#{APPNAME}.app/Contents/MacOS/#{NAME}"
      chmod 0755, "#{APPNAME}.app/Contents/MacOS/#{NAME}"
      chmod_R 0755, "#{APPNAME}.app/Contents/MacOS/pango-querymodules"
      # cp InfoPlist.strings YourApp.app/Contents/Resources/English.lproj/
      `echo -n 'APPL????' > "#{APPNAME}.app/Contents/PkgInfo"`
    end
  end

  desc "Verify the build products"
  task :verify => ['verify:sanity', 'verify:lib_paths']

  namespace :verify do
    def report_error message
      STDERR.puts "BUILD ERROR: " + message
    end

    task :sanity do
      report_error "No #{APPNAME}.app file found" unless File.exist? "#{APPNAME}.app"
      [NAME, "#{NAME}-launch", "#{NAME}-bin"].each do |f|
        report_error "No #{f} file found" unless File.exist? "#{APPNAME}.app/Contents/MacOS/#{f}"
      end
    end

    task :lib_paths do
      cd "#{APPNAME}.app/Contents/MacOS" do
        errors = []
        ["#{NAME}-bin", "pango-querymodules", *Dir['*.dylib'], *Dir['pango/modules/*.so']].each do |f|
          dylibs = dylibs_to_change(f)
          dylibs.each do |dylib|
            errors << "Suspect library path on #{f}:\n  #{dylib}\n  (check with `otool -L #{File.expand_path f}`)"
          end
        end
        errors.each {|e| report_error e}
      end
    end
  end

  task :make_app do
    # Builder.make_app "dist/#{NAME}"
    bin = "dist/#{NAME}-bin"
    rm_f "dist/#{NAME}"
    rm_f bin
    sh "#{CC} -Ldist -o #{bin} bin/main.o #{LINUX_LIBS} -lshoes #{OSX_ARCH}"
  end

  task :make_so do
    name = "dist/lib#{SONAME}.#{DLEXT}"
    ldflags = LINUX_LDFLAGS.sub! /INSTALL_NAME/, "-install_name @executable_path/lib#{SONAME}.#{DLEXT}"
      sh "#{CC} -o #{name} #{OBJ.join(' ')} #{LINUX_LDFLAGS} #{LINUX_LIBS}"
      %w[libpostproc.dylib libavformat.dylib libavcodec.dylib libavutil.dylib libruby.dylib].each do |libn|
        sh "install_name_tool -change /tmp/dep/lib/#{libn} ./deps/lib/#{libn} #{name}"
      end
  end

  task :installer do
    dmg_ds, dmg_jpg = "platform/mac/dmg_ds_store", "static/shoes-dmg.jpg"
    if APP['dmg']
      dmg_ds, dmg_jpg = APP['dmg']['ds_store'], APP['dmg']['background']
    end

    mkdir_p "pkg"
    rm_rf "dmg"
    mkdir_p "dmg"
    cp_r "#{APPNAME}.app", "dmg"
    unless ENV['APP']
      mv "dmg/#{APPNAME}.app/Contents/MacOS/samples", "dmg/samples"
    end
    ln_s "/Applications", "dmg/Applications"
    sh "chmod +x dmg/\"#{APPNAME}.app\"/Contents/MacOS/pango-querymodules"
    sh "chmod +x dmg/\"#{APPNAME}.app\"/Contents/MacOS/#{NAME}"
    sh "chmod +x dmg/\"#{APPNAME}.app\"/Contents/MacOS/#{NAME}-bin"
    sh "chmod +x dmg/\"#{APPNAME}.app\"/Contents/MacOS/#{NAME}-launch"
    sh "DYLD_LIBRARY_PATH= platform/mac/pkg-dmg --target pkg/#{PKG}.dmg --source dmg --volname '#{APPNAME}' --copy #{dmg_ds}:/.DS_Store --mkdir /.background --copy #{dmg_jpg}:/.background" # --format UDRW"
    rm_rf "dmg"
  end
end

namespace :win32 do
  task :build => [:old_build]

  task :make_app do
    Builder.make_app "dist/#{NAME}"
  end

  task :make_so do
    Builder.make_so  "dist/lib#{SONAME}.#{DLEXT}"
  end

  task :installer do
    Builder.make_installer
  end
end

namespace :linux do
  task :build => [:old_build]

  task :make_app do
    Builder.make_app "dist/#{NAME}"
  end

  task :make_so do
    Builder.make_so  "dist/lib#{SONAME}.#{DLEXT}"
  end

  task :installer do
    Builder.make_installer
  end
end