Class: Formulary::FromUrlLoader Private

Inherits:
FormulaLoader show all
Defined in:
formulary.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 formulae from URLs.

Instance Attribute Summary collapse

Attributes inherited from FormulaLoader

#alias_path, #name, #path, #tap

Instance Method Summary collapse

Methods inherited from FormulaLoader

#get_formula, #klass

Methods included from Context

current, current=, #debug?, #quiet?, #verbose?, #with_context

Constructor Details

#initialize(url, from: nil) ⇒ 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:

  • url (URI::Generic, String)
  • from (Symbol, nil) (defaults to: nil)

Raises:

  • (ArgumentError) 


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# File 'formulary.rb', line 523

def initialize(url, from: nil)
  @url = url
  @from = from
  uri_path = URI(url).path
  raise ArgumentError, "URL has no path component" unless uri_path

  formula = File.basename(uri_path, ".rb")
  super formula, HOMEBREW_CACHE_FORMULA/File.basename(uri_path)
end

Instance Attribute Details

#url ⇒ Object (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 'formulary.rb', line 520

def url
  @url
end

Instance Method Details

#load_file(flags:, ignore_errors:) ⇒ 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 'formulary.rb', line 533

def load_file(flags:, ignore_errors:)
  match = url.match(%r{githubusercontent.com/[\w-]+/[\w-]+/[a-f0-9]{40}(?:/Formula)?/(?<name>[\w+-.@]+).rb})
  if match
    raise UnsupportedInstallationMethod,
          "Installation of #{match[:name]} from a GitHub commit URL is unsupported! " \
          "`brew extract #{match[:name]}` to a stable tap on GitHub instead."
  elsif url.match?(%r{^(https?|ftp)://})
    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
  HOMEBREW_CACHE_FORMULA.mkpath
  FileUtils.rm_f(path)
  curl_download url, to: path
  super
rescue MethodDeprecatedError => e
  if (match_data = url.match(%r{github.com/(?<user>[\w-]+)/(?<repo>[\w-]+)/}).presence)
    e.issues_url = "https://github.com/#{match_data[:user]}/#{match_data[:repo]}/issues/new"
  end
  raise
end