Class: Cask::CaskLoader::FromURILoader Private

Inherits:
FromPathLoader show all
Defined in:
cask/cask_loader.rb

Overview

This class is part of a private API. This class may only be used in the Homebrew/brew repository. Third parties should avoid using this class if possible, as it may be removed or changed without warning.

Loads a cask from a URI.

Instance Attribute Summary collapse

Attributes inherited from FromPathLoader

#path, #token

Attributes inherited from AbstractContentLoader

#content, #tap

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url) ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:



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# File 'cask/cask_loader.rb', line 180

def initialize(url)
  @url = URI(url)
  @name = File.basename(T.must(@url.path))
  super Cache.path/name
end

Instance Attribute Details

#nameObject (readonly)

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.



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# File 'cask/cask_loader.rb', line 177

def name
  @name
end

#urlObject (readonly)

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.



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# File 'cask/cask_loader.rb', line 177

def url
  @url
end

Class Method Details

.try_new(ref, warn: false) ⇒ T.attached_class?

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:

  • (T.attached_class, nil)


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# File 'cask/cask_loader.rb', line 161

def self.try_new(ref, warn: false)
  # Cache compiled regex
  @uri_regex ||= begin
    uri_regex = ::URI::DEFAULT_PARSER.make_regexp
    Regexp.new("\\A#{uri_regex.source}\\Z", uri_regex.options)
  end

  uri = ref.to_s
  return unless uri.match?(@uri_regex)

  uri = URI(uri)
  return unless uri.path

  new(uri)
end

Instance Method Details

#load(config:) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.



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# File 'cask/cask_loader.rb', line 186

def load(config:)
  path.dirname.mkpath

  if ALLOWED_URL_SCHEMES.exclude?(url.scheme)
    raise UnsupportedInstallationMethod,
          "Non-checksummed download of #{name} formula file from an arbitrary URL is unsupported! " \
          "`brew extract` or `brew create` and `brew tap-new` to create a formula file in a tap " \
          "on GitHub instead."
  end

  begin
    ohai "Downloading #{url}"
    ::Utils::Curl.curl_download url, to: path
  rescue ErrorDuringExecution
    raise CaskUnavailableError.new(token, "Failed to download #{Formatter.url(url)}.")
  end

  super
end