module Hoe::Package

def define_package_tasks
  prerelease_version
  Gem::PackageTask.new spec do |pkg|
    pkg.need_tar = @need_tar
    pkg.need_zip = @need_zip
  end
  desc 'Install the package as a gem. (opt. NOSUDO=1)'
  task :install_gem => [:clean, :package, :check_extra_deps] do
    install_gem Dir['pkg/*.gem'].first
  end
  desc 'Package and upload; Requires VERSION=x.y.z (optional PRE=a.1)'
  task :release => [:prerelease, :release_to, :postrelease]
  # no doco, invisible hook
  task :prerelease do
    abort "Fix your version before you release" if spec.version =~ /borked/
  end
  # no doco, invisible hook
  task :release_to
  # no doco, invisible hook
  task :postrelease
  desc "Sanity checks for release"
  task :release_sanity do
    v = ENV["VERSION"] or abort "Must supply VERSION=x.y.z"
    pre = ENV['PRERELEASE'] || ENV['PRE']
    v += ".#{pre}" if pre
    abort "Versions don't match #{v} vs #{version}" if v != version
  end
end

def initialize_package
  self.need_tar ||= false
  self.need_zip ||= false
end

def install_gem name, version = nil, rdoc=true
  should_not_sudo = Hoe::WINDOZE || ENV["NOSUDO"] || File.writable?(Gem.dir)
  null_dev = Hoe::WINDOZE ? '> NUL 2>&1' : '&> /dev/null'
  gem_cmd = Gem.default_exec_format % 'gem'
  sudo    = 'sudo '                  unless should_not_sudo
  local   = '--local'                unless version
  version = "--version '#{version}'" if     version
  cmd  = "#{sudo}#{gem_cmd} install #{local} #{name} #{version}"
  cmd += " --no-rdoc --no-ri" unless rdoc
  cmd += " #{null_dev}" unless Rake.application.options.trace
  puts cmd if Rake.application.options.trace
  system cmd
end

def pkg_path
  "pkg/#{spec.full_name}"
end

def prerelease_version # :nodoc:
  pre = ENV['PRERELEASE'] || ENV['PRE']
  if pre then
    spec.version.version << "." << pre if pre
    abort "ERROR: You should format PRE like pre or alpha.1 or something" if
      (Gem::VERSION < "1.4"  and pre !~ /^[a-z]+(\.\d+)?$/) or
      (Gem::VERSION >= "1.4" and pre !~ /^[a-z]+(\.?\d+)?$/)
  end
end