namespace :noosfero do

  desc 'checks if there are uncommitted changes in the repo'
  task :check_repo do
    sh "git status | grep 'nothing.*commit'" do |ok, res|
      if !ok
        raise "******** There are uncommited changes in the repository, cannot continue"
      end
    end
  end

  version = Noosfero::VERSION
  desc 'checks if there is already a tag for the current version'
  task :check_tag do
    sh "git tag | grep '^#{version}$' >/dev/null" do |ok, res|
      if ok
        raise "******** There is already a tag for version #{version}, cannot continue"
      end
    end
    puts "Not found tag for version #{version}, we can go on."
  end

  desc 'checks the version of the Debian package'
  task :check_debian_package do
    debian_version = `dpkg-parsechangelog | grep Version: | cut -d ' ' -f 2`.strip
    unless debian_version =~ /^#{Noosfero::VERSION}/
      puts "Version mismatch: Debian version = #{debian_version}, Noosfero upstream version = #{Noosfero::VERSION}"
      puts "Run `dch -v #{Noosfero::VERSION}` to add a new changelog entry that upgrades the Debian version"
      raise "Version mismatch between noosfero version and debian package version"
    end
  end


  AUTHORS_HEADER = <<EOF
If you are not listed here, but should be, please write to the noosfero mailing
list: http://listas.softwarelivre.org/cgi-bin/mailman/listinfo/noosfero-dev
(this list requires subscription to post, but since you are an author of
noosfero, that's not a problem).

Developers
==========

EOF
  AUTHORS_FOOTER = <<EOF

Ideas, specifications and incentive
===================================
Daniel Tygel <dtygel@fbes.org.br>
Guilherme Rocha <guilherme@gf7.com.br>
Raphael Rousseau <raph@r4f.org>
Théo Bondolfi <move@cooperation.net>
Vicente Aguiar <vicenteaguiar@colivre.coop.br>

EOF

  desc 'updates the AUTHORS file'
  task :authors do
    begin
      File.open("AUTHORS", 'w') do |output|
        output.puts AUTHORS_HEADER
        output.puts `git log --pretty=format:'%aN <%aE>' | sort | uniq`
        output.puts AUTHORS_FOOTER
      end
    rescue Exception => e
      rm_f 'AUTHORS'
      raise e
    end
  end

  desc 'prepares a release tarball'
  task :release => [ :check_tag, :check_debian_package, 'noosfero:error-pages:translate', :authors, :check_repo, :package, :debian_packages ] do
    sh "git tag #{version}"
    puts "I: please upload the tarball and Debian packages to the website!"
    puts "I: please push the tag for version #{version} that was just created!"
  end

  desc 'Build Debian packages'
  task :debian_packages => :package do
    target = "pkg/noosfero-#{Noosfero::VERSION}"
    mkdir "#{target}/tmp"
    ln_s '../../../vendor/rails', "#{target}/vendor/rails"
    cp "#{target}/config/database.yml.sqlite3", "#{target}/config/database.yml"
    sh "cd #{target} && dpkg-buildpackage -us -uc -b"
  end

  desc 'Test Debian package'
  task 'debian:test' => :debian_packages do
    Dir.chdir 'pkg' do
      rm_rf "noosfero-#{Noosfero::VERSION}"
      sh 'apt-ftparchive packages . > Packages'
      sh 'apt-ftparchive release . > Release'
    end
  end
    
end