Class: Homebrew::UnversionedCaskChecker Private

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
brew/Library/Homebrew/unversioned_cask_checker.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Check unversioned casks for updates by extracting their contents and guessing the version from contained files.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cask) ⇒ void

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:



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# File 'brew/Library/Homebrew/unversioned_cask_checker.rb', line 20

def initialize(cask)
  @cask = cask
end

Instance Attribute Details

#caskCask::Cask (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:



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# File 'brew/Library/Homebrew/unversioned_cask_checker.rb', line 17

def cask
  @cask
end

Instance Method Details

#appsArray<Cask::Artifact::App>

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:



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# File 'brew/Library/Homebrew/unversioned_cask_checker.rb', line 30

def apps
  @apps ||= @cask.artifacts.select { |a| a.is_a?(Cask::Artifact::App) }
end

#guess_cask_versionString?

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:



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# File 'brew/Library/Homebrew/unversioned_cask_checker.rb', line 64

def guess_cask_version
  if apps.empty? && pkgs.empty?
    opoo "Cask #{cask} does not contain any apps or PKG installers."
    return
  end

  Dir.mktmpdir do |dir|
    dir = Pathname(dir)

    installer.yield_self do |i|
      i.extract_primary_container(to: dir)
    rescue ErrorDuringExecution => e
      onoe e
      return nil
    end

    info_plist_paths = apps.flat_map do |app|
      top_level_info_plists(Pathname.glob(dir/"**"/app.source.basename/"Contents"/"Info.plist")).sort
    end

    info_plist_paths.each do |info_plist_path|
      if (version = BundleVersion.from_info_plist(info_plist_path))
        return version.nice_version
      end
    end

    pkg_paths = pkgs.flat_map do |pkg|
      Pathname.glob(dir/"**"/pkg.path.basename).sort
    end

    pkg_paths.each do |pkg_path|
      packages =
        system_command!("installer", args: ["-plist", "-pkginfo", "-pkg", pkg_path])
        .plist
        .map { |package| package.fetch("Package") }

      Dir.mktmpdir do |extract_dir|
        extract_dir = Pathname(extract_dir)
        FileUtils.rmdir extract_dir

        begin
          system_command! "pkgutil", args: ["--expand-full", pkg_path, extract_dir]
        rescue ErrorDuringExecution => e
          onoe "Failed to extract #{pkg_path.basename}: #{e}"
          next
        end

        top_level_info_plist_paths = top_level_info_plists(Pathname.glob(extract_dir/"**/Contents/Info.plist"))

        unique_info_plist_versions =
          top_level_info_plist_paths.map { |i| BundleVersion.from_info_plist(i)&.nice_version }
                                    .compact.uniq
        return unique_info_plist_versions.first if unique_info_plist_versions.count == 1

        package_info_path = extract_dir/"PackageInfo"
        if package_info_path.exist?
          if (version = BundleVersion.from_package_info(package_info_path))
            return version.nice_version
          end
        elsif packages.count == 1
          onoe "#{pkg_path.basename} does not contain a `PackageInfo` file."
        end

        distribution_path = extract_dir/"Distribution"
        if distribution_path.exist?
          Homebrew.install_bundler_gems!
          require "nokogiri"

          xml = Nokogiri::XML(distribution_path.read)

          product_version = xml.xpath("//installer-gui-script//product").first&.attr("version")
          return product_version if product_version
        end

        opoo "#{pkg_path.basename} contains multiple packages: #{packages}" if packages.count != 1

        $stderr.puts Pathname.glob(extract_dir/"**/*")
                             .map { |path|
                               regex = %r{\A(.*?\.(app|qlgenerator|saver|plugin|kext|bundle|osax))/.*\Z}
                               path.to_s.sub(regex, '\1')
                             }.uniq
      ensure
        Cask::Utils.gain_permissions_remove(extract_dir)
        extract_dir.mkpath
      end
    end

    nil
  end
end

#installerCask::Installer

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:



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# File 'brew/Library/Homebrew/unversioned_cask_checker.rb', line 25

def installer
  @installer ||= Cask::Installer.new(cask, verify_download_integrity: false)
end

#pkgsArray<Cask::Artifact::Pkg>

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:



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# File 'brew/Library/Homebrew/unversioned_cask_checker.rb', line 35

def pkgs
  @pkgs ||= @cask.artifacts.select { |a| a.is_a?(Cask::Artifact::Pkg) }
end

#single_app_cask?Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean)


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# File 'brew/Library/Homebrew/unversioned_cask_checker.rb', line 40

def single_app_cask?
  apps.count == 1
end

#single_pkg_cask?Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean)


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# File 'brew/Library/Homebrew/unversioned_cask_checker.rb', line 45

def single_pkg_cask?
  pkgs.count == 1
end

#top_level_info_plists(paths) ⇒ Array<Pathname>

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Filter paths to Info.plist files so that ones belonging to e.g. nested .apps are ignored.

Parameters:

Returns:



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# File 'brew/Library/Homebrew/unversioned_cask_checker.rb', line 52

def top_level_info_plists(paths)
  # Go from `./Contents/Info.plist` to `./`.
  top_level_paths = paths.map { |path| path.parent.parent }

  paths.reject do |path|
    top_level_paths.any? do |_other_top_level_path|
      path.ascend.drop(3).any? { |parent_path| top_level_paths.include?(parent_path) }
    end
  end
end