def build_platform_id()
  return "#{ARCH}-#{win32? ? 'win32' : RbConfig::CONFIG['host_os']}"
end

# A helper function to download and unpack pre-built stc and librun
# for those who are not lucky enough to have an access to sources
def download_blob_matching(pattern, directory)
  plat = nil
  blob = nil
  sha256 = nil
  if win32? then
      plat = 'Windows'
  elsif linux?
    plat = 'Linux'
  else
    error_unsupported_platform()
  end
  build = Jenkins::Build.new(%Q{https://swing.fit.cvut.cz/jenkins/job/stx_jv/lastStableBuild})
  platform = build_platform_id()
  build.artifacts.each do | artifact |
    if (pattern =~ artifact.name) and (artifact.name.include? platform) then
      if artifact.name.end_with? '.sha256' then
        sha256 = artifact
      else
        blob = artifact
      end
    end
  end
  if not blob then
    error "No artifact matching given pattern found"
  end
  puts "Downloading binary component #{blob.name}"
  blob.download_to(directory)
  if sha256 then
    sha256.download_to(directory)
  end
  unzip directory / blob.name, remove: true
  rm_f directory / sha256.name
end



project :'stx:jv-branch-core' do
  # Core Smalltalk/X - does contain only standard libraries,
  # and development tools. Does not contain any other 'features'
  # like XML suite, Java support. Usable as a basis for standalone
  # applications that needs some JV-branch features.
  import :'stx:baseline'

  # FORKED STC and librun
  package "stx:stc", :repository => :'swing:private:hg', :branch => 'jv',
    :checkout => (Proc.new do | pkg |
    # Download pre-compiled binary if user has no access to source code
    if Rake::Stx::Configuration::Repository::find(pkg.repository) then
          checkout pkg.repository, 'stx/stc', :branch => pkg.branch, :revision => pkg.revision
    else
        download_blob_matching(/prebuilt-stc/, BUILD_DIR / 'stx')
      end
    end),
    :update => (Proc.new do | pkg |
      if (File.exists? BUILD_DIR / 'stx' / 'stc' / '.hg' / 'hgrc') then
        update pkg.repository, 'stx/stc', :branch => pkg.branch, :revision => pkg.revision
      else
        warn "Not updating #{pkg.name} as no HG repository found in #{BUILD_DIR / 'stx' / 'stc'}"
    end
  end)

  package "stx:librun", :repository => :'swing:private:hg', :branch => 'jv',
    :checkout => (Proc.new do | pkg |
    # Download pre-compiled binary if user has no access to source code
    if Rake::Stx::Configuration::Repository::find(pkg.repository) then
          checkout pkg.repository, 'stx/librun', :branch => pkg.branch, :revision => pkg.revision
    else
        download_blob_matching(/prebuilt-librun/, BUILD_DIR / 'stx')
      end
    end),
    :update => (Proc.new do | pkg |
      if (File.exists? BUILD_DIR / 'stx' / 'librun' / '.hg' / 'hgrc') then
        update pkg.repository, 'stx/stc', :branch => pkg.branch, :revision => pkg.revision
      else
        warn "Not updating #{pkg.name} as no HG repository found in #{BUILD_DIR / 'stx' / 'librun'}"
    end
  end)

  # FORKED libraries
  # ======================================================================
  package "stx:libbasic", :repository => :'bitbucket:janvrany', :branch => 'jv'
  package "stx:libbasic2", :repository => :'bitbucket:janvrany', :branch => 'jv'
  package "stx:libbasic3", :repository => :'bitbucket:janvrany', :branch => 'jv'
  package "stx:libcomp", :repository => :'bitbucket:janvrany', :branch => 'jv'
  package "stx:libtool", :repository => :'bitbucket:janvrany', :branch => 'jv'
  package "stx:libtool2",:repository => :'bitbucket:janvrany', :branch => 'jv'

  package "stx:libview", :repository => :'bitbucket:janvrany', :branch => 'jv'
  package "stx:libview2", :repository => :'bitbucket:janvrany', :branch => 'jv'
  package "stx:libwidg", :repository => :'bitbucket:janvrany', :branch => 'jv'
  package "stx:libwidg2", :repository => :'bitbucket:janvrany', :branch => 'jv'

  package "stx:goodies/sunit", :repository => :'bitbucket:janvrany', :branch => 'jv'
  package "stx:goodies/monticello", :repository => :'bitbucket:janvrany', :branch => 'jv'
  package "stx:goodies/refactoryBrowser", :repository => :'bitbucket:janvrany', :branch => 'jv'
  package "stx:libsvn", :repository => :'bitbucket:janvrany', :branch => 'jv'

  # Some more development tools to build and preload
  # ======================================================================
  package "stx:goodies/xml/vw", :repository => :'exept:public'
  package "stx:goodies/xml/stx", :repository => :'exept:public'

  # SmallSense
  package "stx:goodies/regex", :repository => :'exept:public'
  package "stx:goodies/smallsense", :repository => :'bitbucket:janvrany'
  package "stx:goodies/smallsense/refactoring_custom"


  tasks do
    # Build and install documentation for stx:libjava and stx:libscm/mercurial
    task "install:pre" do
      chdir BUILD_DIR / 'stx' / 'libjava' do
        make "doc-install"
      end
      chdir BUILD_DIR / 'stx' / 'libscm' / 'mercurial' do
        make "doc-install"
      end
    end

    # Try execute run the VM if it starts up
    task :'compile:post' do
      if PROJECT == 'stx:jv-branch' then
        chdir BUILD_DIR / 'stx' / 'projects' / 'smalltalk' do
          if win32?
            cmd = "smalltalk.bat --abortOnSEGV -I --quick --eval \"Stdout nextPutLine:'OKay, VM runs'. Smalltalk exit: 0\""
          else
            cmd = "./smalltalk --abortOnSEGV -I --quick --eval \"Stdout nextPutLine:'OKay, VM runs'. Smalltalk exit: 0\""
          end
          if not system cmd
            raise Exception.new("Cannot run smalltalk!")
          end
        end
      end
    end

    if win32_wine?
      task :'stx:projects/smalltalk:pre' do
        chdir (BUILD_DIR / 'stx' / 'projects' / 'smalltalk') do
          make "buildDate.h"
        end
      end

    end

    # Hack for badly-named files in libtool
    task :'stx:libtool:post' do
      chdir (BUILD_DIR / 'stx' / 'libtool') do
        # Windows does not support symlinks, copy the file
        if win32?
          if not File.exist? 'Tools_BrowserList.STH'
            cp 'Tools__BrowserList.STH', 'Tools_BrowserList.STH'
          end
          if not File.exist? 'Tools_NavigatorModel.STH'
            cp 'Tools__NavigatorModel.STH', 'Tools_NavigatorModel.STH'
          end
          if not File.exist? 'Tools_NavigationState.STH'
            cp 'Tools__NavigationState.STH', 'Tools_NavigationState.STH'
          end
        else
          if not File.exist? 'Tools_BrowserList.H'
            ln_s 'Tools__BrowserList.H', 'Tools_BrowserList.H'
          end
          if not File.exist? 'Tools_NavigatorModel.H'
            ln_s 'Tools__NavigatorModel.H', 'Tools_NavigatorModel.H'
          end
          if not File.exist? 'Tools_NavigationState.H'
            ln_s 'Tools__NavigationState.H', 'Tools_NavigationState.H'
          end
        end
      end
    end
  end

end



project :'stx:jv-branch' do
  # Standard Smalltalk/X IDE with some nice libraries preloaded

  import :'stx:jv-branch-core'


  app_name "smalltalkx-jv-branch"
  app_version "6.2.6_#{BUILD_ID}"

  # Forked PetitParser
  package "stx:goodies/petitparser", :repository => :'bitbucket:janvrany', :link => false
  package "stx:goodies/petitparser/tests", :link => false
  package "stx:goodies/petitparser/analyzer",  :link => false
  package "stx:goodies/petitparser/analyzer/tests",  :link => false

  # Monticello
  package "stx:libcompat", :repository => :'exept:public'
  package "stx:goodies/communication", :repository => :'exept:public'

  # Java support
  package "stx:libjava", :repository => :'bitbucket:janvrany'
  package "stx:libjava/tools"
  package "stx:libjava/experiments"
  #package "stx:libjava/examples" :link => false

  # Smalltalk/X IDE
  application 'stx:projects/smalltalk', :repository => :'bitbucket:janvrany', :branch => 'jv'

  package 'stx:libscm', :repository => :'bitbucket:janvrany'
  package 'stx:libscm/common', :repository => :'bitbucket:janvrany'
  package 'stx:libscm/mercurial', :repository => :'bitbucket:janvrany'
  package 'stx:libscm/mercurial/monticello', :repository => :'bitbucket:janvrany'
  package 'stx:goodies/ring', :repository => :'bitbucket:janvrany', :link => false
  package 'stx:goodies/libcairo', :repository => :'bitbucket:janvrany', :link => false
  package 'stx:goodies/cypress', :repository => :'bitbucket:janvrany'
  package "stx:goodies/xmlsuite", :repository => :'bitbucket:janvrany'
  package "stx:goodies/loggia", :repository => :'exept:public', :link => false
  package 'stx:goodies/smaCC',:repository => :'bitbucket:janvrany'
  package 'stx:goodies/regression',:repository => :'bitbucket:janvrany', :branch => 'jv', :link => false
  package "stx:goodies/builder", :repository => :'bitbucket:janvrany',:branch => 'jv', :link => false
  package "stx:goodies/builder/reports"

  # Define a "default" test suite, i.e., a set of tests that are run when
  # user does `rake test`.
  package 'stx:libview/tests', :test => true;
  package 'stx:libjava', :test => true;
  package 'stx:libjava/tools', :test => true;
  package 'stx:goodies/regression', :test => true;
  package 'stx:libscm/mercurial', :test => true;

  tasks do
    # We need to checkout CharacterEncoderCodeGenerator from stx:goodies
    # because RegressionTests::CharacterTests>>test01_CaseTesting needs that.
    task 'checkout:post' => BUILD_DIR / 'stx' / 'goodies' / 'CharacterEncoderCodeGenerator.st'
    file (BUILD_DIR / 'stx' / 'goodies' / 'CharacterEncoderCodeGenerator.st') do
      checkout(:'exept:public', 'stx/goodies/CharacterEncoderCodeGenerator.st')
    end

    # Checkout & install demos. Too bad that demos are not in a package itself but
    # rather a set of scaterred files here and there. So we have to checkout
    # and install them manually
    task 'checkout:post' => 'checkout:demos'
    task 'checkout:demos' => [ BUILD_DIR / 'stx' / 'doc' / 'coding' ,
                               BUILD_DIR / 'stx' / 'goodies'  / 'demos' ,
                               BUILD_DIR / 'stx' / 'clients' ]
    file BUILD_DIR / 'stx' / 'doc' / 'coding' do
      checkout(:'exept:public', 'stx/doc/coding')
    end
    file BUILD_DIR / 'stx' / 'goodies'  / 'demos' do
      checkout(:'exept:public', 'stx/goodies/demos')
    end
    file BUILD_DIR / 'stx' / 'clients' do
      checkout(:'exept:public', 'stx/clients')
    end

    task 'dist:jv:post' => 'dist:jv:demos'
    task 'dist:jv:demos' do
      cp_rx BUILD_DIR / 'stx' / 'doc' / 'coding', $install_jv_dirs[:pkg_dir] / 'stx' / 'doc' do |fname|
        # fname is full path!!!
        /\.svn|CVS|\.cvsignore|tests/.match(fname).nil?
      end

      cp_rx BUILD_DIR / 'stx' / 'goodies' / 'demos', $install_jv_dirs[:pkg_dir] / 'stx' / 'goodies'  do |fname|
        # fname is full path!!!
        /\.svn|CVS|\.cvsignore|tests/.match(fname).nil?
      end

      cp_rx BUILD_DIR / 'stx' / 'clients', $install_jv_dirs[:pkg_dir] / 'stx' do |fname|
        # fname is full path!!!
        /\.svn|CVS|\.cvsignore|tests/.match(fname).nil?
      end
    end




    task :'install:main' => :'dist:jv-branch'

    task :'dist:jv:pre' => :'stx:jv-branch:extractver'

    if win32?
      app_name    = project.app_name      || (raise Exception.new("No app_name property specified"))
	    app_version = project.app_version   || (raise Exception.new("No app_version property specified"))
	    version = app_version.split('_').first

	    install_dir = ARTIFACTS_DIR / BUILD_NAME
	    bin_dir = install_dir / 'bin'


    	cairo_dlls = nil
    	if ARCH == 'i386'
	      cairo_dlls =  [
	      	'libcairo-2.dll' ,
					'libfontconfig-1.dll' ,
					'libfreetype-6.dll' ,
					'liblzma-5.dll' ,
					'libpixman-1-0.dll' ,
					'libpng15-15.dll' ,
					'libxml2-2.dll' ,
					'zlib1.dll'
					]
			else
				cairo_dlls =  [
	      	'fontconfig.dll' ,
	      	'iconv.dll' ,
	      	'libcairo-2.dll' ,
	      	'libpng16.dll' ,
	      	'libxml2.dll' ,
	      	'pixman-1.dll' ,
	      	'zlib1.dll'
	      ]
			end

    	task :'dist:jv:post' => [ :'stx:jv-branch:extractver' , :'dist:jv:variables' ]
    	cairo_dlls.each do | dll |
    		task :'dist:jv:post' => [ bin_dir / dll ]
				file bin_dir / dll do
					mkdir_p bin_dir
					cp BUILD_DIR / 'stx' / 'goodies' / 'libcairo' / 'support' / 'win32' / (ARCH == 'i386' ? 'i586' : ARCH) / dll , bin_dir / dll
				end
    	end
    end

    task :'dist:jv-branch' => [ :'dist:jv:all',
                                :'dist:jv:doc' ]

    task :'install:main' => [:'stx:jv-branch:extractver']
    task :'artifacts:main' => [:'stx:jv-branch:extractver']
    task :'artifacts:post' => [:'stx:jv-branch:extractver'] do
      # Just to be sure, refuse to create stc and librun archives
      # if the directory contain sources. This is to prevent accidental
      # leak of non-disclosed sources. Better safe than sorry!
      if core_developer? || (File.exist? BUILD_DIR / 'stx' / 'stc' / '.hg') || (File.exist? BUILD_DIR / 'stx' / 'stc' / 'CVS') then
        puts "WARNING: NOT CREATING stc archive since directory contains sources!!!"
      else
        # Be paranoid, do cleanup here. Should have been done, but who knows...
        cleanup_stc()
    	  zip BUILD_DIR / 'stx' / 'stc' , archive: ARTIFACTS_DIR / "#{project.app_name}-#{project.app_version}_#{build_platform_id()}_prebuilt-stc"
      end
      if core_developer? || (File.exist? BUILD_DIR / 'stx' / 'librun' / '.hg') || (File.exist? BUILD_DIR / 'stx' / 'librun' / 'CVS') then
        puts  "WARNING: NOT CREATING librun archive since directory contains sources!!!"
      else
        # Be paranoid, do cleanup here. Should have been done, but who knows...
        cleanup_librun()
    	  zip BUILD_DIR / 'stx' / 'librun' , archive: ARTIFACTS_DIR / "#{project.app_name}-#{project.app_version}_#{build_platform_id()}_prebuilt-librun"
      end
    end
  end
end

task :'stx:jv-branch:extractver' => :'setup' do
  ver = nil
  if win32?
    stx_exe = 'stx.com'
  else
    stx_exe = './stx'
  end
  chdir BUILD_DIR / 'stx' / 'projects' / 'smalltalk' do
    ver = %x(#{stx_exe} --eval "Stdout nextPutAll: Smalltalk versionString")
    if $?.exitstatus != 0
      raise Exception.new("Failed extract version from stx")
    end
  end
  ver = (ver.split(".")[0..2]).join(".")
  project.app_version "#{ver}_#{BUILD_ID}"
  # This is really ugly. We need to clean that up...
  BUILD_NAME.replace "#{project.app_name}-#{project.app_version}_#{build_platform_id()}"
end


project :'stx:jv-branch:for-reports-only' do
  import :'stx:jv-branch'

  # Sigh, if we're about to run tests only, we don't want to
  # run standard tests so we need to clean test flag.
  package 'stx:libview/tests', :test => false;
  package 'stx:libjava', :test => false;
  package 'stx:libjava/tools', :test => false;
  package 'stx:goodies/regression', :test => false;
  package 'stx:libscm/mercurial', :test => false;

  tasks do
    task :'stx:projects/smalltalk:pre' do
      chdir BUILD_DIR / 'stx' / 'projects' / 'smalltalk' do
         if win32?
           system "bmake clobber"
         else
           system "make clobber"
         end
      end
    end

    clear :'dist:install' => :'dist:jv-branch'
  end
end