Class: FPM::Cookery::Packager

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/fpm/cookery/packager.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(recipe, config = {}) ⇒ Packager

Returns a new instance of Packager.



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# File 'lib/fpm/cookery/packager.rb', line 19

def initialize(recipe, config = {})
  @recipe = recipe
  @config = config
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/fpm/cookery/packager.rb', line 17

def config
  @config
end

#recipe ⇒ Object (readonly)

Returns the value of attribute recipe.



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# File 'lib/fpm/cookery/packager.rb', line 17

def recipe
  @recipe
end

Instance Method Details

#add_scripts(recipe, input) ⇒ Object 



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# File 'lib/fpm/cookery/packager.rb', line 177

def add_scripts(recipe, input)
  error = false

  # Map script names to fpm method names.
  script_map = {
    'pre_install' => :before_install,
    'post_install' => :after_install,
    'pre_uninstall' => :before_remove,
    'post_uninstall' => :after_remove
  }

  script_map.each do |script, fpm_script|
    unless recipe.send(script).nil?
      script_file = FPM::Cookery::Path.new(recipe.send(script))

      # If the script file is an absolute path, just use that path.
      # Otherwise consider the location relative to the recipe.
      unless script_file.absolute?
        script_file = File.expand_path("../#{script_file.to_s}", recipe.filename)
      end

      if File.exists?(script_file)
        input.scripts[fpm_script] = File.read(script_file.to_s)
      else
        Log.error "#{script} script '#{script_file}' is missing"
        error = true
      end
    end
  end

  exit(1) if error
end

#build_cookie_name(name) ⇒ Object 



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# File 'lib/fpm/cookery/packager.rb', line 118

def build_cookie_name(name)
  (recipe.builddir/".build-cookie-#{name.gsub(/[^\w]/,'_')}").to_s
end

#build_package(recipe, config) ⇒ Object 



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# File 'lib/fpm/cookery/packager.rb', line 122

def build_package(recipe, config)
  recipe.pkgdir.mkdir
  Dir.chdir(recipe.pkgdir) do
    epoch, ver = recipe.version.split(':', 2)
    if ver.nil?
      ver, epoch = epoch, nil
    end

    # Build a version including vendor and revision.
    vendor = config[:vendor] || recipe.vendor
    vendor_rev = "#{vendor}#{recipe.revision}"
    case @target
    when "deb"
      vendor_delimiter = "+"
    when "rpm"
      vendor_delimiter = "."
    else
      vendor_delimiter = "-"
    end
    version = [ver, vendor_rev].join(vendor_delimiter)

    maintainer = recipe.maintainer || begin
      username = `git config --get user.name`.strip
      useremail = `git config --get user.email`.strip

      username && useremail ? "#{username} <#{useremail}>" : nil
    end

    input = FPM::Cookery::Package::Dir.new(recipe)

    input.version = version
    input.maintainer = maintainer
    input.epoch = epoch if epoch

    add_scripts(recipe, input)
    remove_excluded_files(recipe)

    output_class = FPM::Package.types[@target]

    output = input.convert(output_class)

    begin
      output.output(output.to_s)
    rescue FPM::Package::FileAlreadyExists
      Log.info "Removing existing package file: #{output.to_s}"
      FileUtils.rm_f(output.to_s)
      retry
    ensure
      input.cleanup if input
      output.cleanup if output
      Log.info "Created package: #{File.join(Dir.pwd, output.to_s)}"
    end
  end
end

#cleanup ⇒ Object 



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# File 'lib/fpm/cookery/packager.rb', line 29

def cleanup
  Log.info "Cleanup!"
  # TODO(sissel): do some sanity checking to make sure we don't
  # accidentally rm -rf the wrong thing.
  FileUtils.rm_rf(recipe.builddir)
  FileUtils.rm_rf(recipe.destdir)
end

#dispense ⇒ Object 



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# File 'lib/fpm/cookery/packager.rb', line 37

def dispense
  env = ENV.to_hash
  package_name = "#{recipe.name}-#{recipe.version}"
  platform = FPM::Cookery::Facts.platform
  target = FPM::Cookery::Facts.target

  Log.info "Starting package creation for #{package_name} (#{platform}, #{target})"
  Log.info ''

  # RecipeInspector.verify!(recipe)
  # DependencyInspector.verify!(recipe.depends, recipe.build_depends)

  recipe.installing = false

  source = recipe.source_handler

  recipe.cachedir.mkdir
  Dir.chdir(recipe.cachedir) do
    Log.info "Fetching source: #{source.source_url}"
    source.fetch

    if source.checksum?
      SourceIntegrityCheck.new(recipe).tap do |check|
        if check.checksum_missing?
          Log.warn 'Recipe does not provide a checksum. (sha256, sha1 or md5)'
          Log.puts <<-__WARN
  Digest:   #{check.digest}
  Checksum: #{check.checksum_actual}
  Filename: #{check.filename}

          __WARN
        elsif check.error?
          Log.error 'Integrity check failed!'
          Log.puts <<-__ERROR
  Digest:            #{check.digest}
  Checksum expected: #{check.checksum_expected}
  Checksum actual:   #{check.checksum_actual}
  Filename:          #{check.filename}

          __ERROR
          exit 1
        end
      end
    end
  end

  recipe.builddir.mkdir
  Dir.chdir(recipe.builddir) do
    extracted_source = source.extract

    Dir.chdir(extracted_source) do
      #Source::Patches.new(recipe.patches).apply!

      build_cookie = build_cookie_name(package_name)

      if File.exists?(build_cookie)
        Log.info 'Skipping build (`fpm-cook clean` to rebuild)'
      else
        Log.info "Building in #{File.expand_path(extracted_source)}"
        recipe.build and FileUtils.touch(build_cookie)
      end

      FileUtils.rm_rf(recipe.destdir)
      recipe.destdir.mkdir

      begin
        recipe.installing = true
        Log.info "Installing into #{recipe.destdir}"
        recipe.install
      ensure
        recipe.installing = false
      end
    end
  end

  build_package(recipe, config)
ensure
  # Make sure we reset the environment.
  ENV.replace(env)
end

#remove_excluded_files(recipe) ⇒ Object

Remove all excluded files from the destdir so they do not end up in the package.



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# File 'lib/fpm/cookery/packager.rb', line 212

def remove_excluded_files(recipe)
  Dir.chdir(recipe.destdir.to_s) do
    Dir['**/*'].each do |file|
      recipe.exclude.each do |ex|
        if File.fnmatch(ex, file)
          Log.info "Exclude file: #{file}"
          FileUtils.rm_f(file)
        end
      end
    end
  end
end

#target=(target) ⇒ Object 



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# File 'lib/fpm/cookery/packager.rb', line 24

def target=(target)
  # TODO(sissel): do sanity checking
  @target = target
end