Class: DownloadStrategyDetector Private

Inherits:
Object
  • Object
show all
Defined in:
download_strategy.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.

Helper class for detecting a download strategy from a URL.

Class Method Summary collapse

Class Method Details

.detect(url, using = nil) ⇒ T::Class[AbstractDownloadStrategy]

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:



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# File 'download_strategy.rb', line 1589

def self.detect(url, using = nil)
  if using.nil?
    detect_from_url(url)
  elsif using.is_a?(Class) && using < AbstractDownloadStrategy
    using
  elsif using.is_a?(Symbol)
    detect_from_symbol(using)
  else
    raise TypeError,
          "Unknown download strategy specification #{using.inspect}"
  end
end

.detect_from_symbol(symbol) ⇒ T::Class[AbstractDownloadStrategy]

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:



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# File 'download_strategy.rb', line 1640

def self.detect_from_symbol(symbol)
  case symbol
  when :hg                     then MercurialDownloadStrategy
  when :nounzip                then NoUnzipCurlDownloadStrategy
  when :git                    then GitDownloadStrategy
  when :bzr                    then BazaarDownloadStrategy
  when :svn                    then SubversionDownloadStrategy
  when :curl                   then CurlDownloadStrategy
  when :homebrew_curl          then HomebrewCurlDownloadStrategy
  when :cvs                    then CVSDownloadStrategy
  when :post                   then CurlPostDownloadStrategy
  when :fossil                 then FossilDownloadStrategy
  else
    raise TypeError, "Unknown download strategy #{symbol} was requested."
  end
end

.detect_from_url(url) ⇒ T::Class[AbstractDownloadStrategy]

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:



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# File 'download_strategy.rb', line 1603

def self.detect_from_url(url)
  case url
  when GitHubPackages::URL_REGEX
    CurlGitHubPackagesDownloadStrategy
  when %r{^https?://github\.com/[^/]+/[^/]+\.git$}
    GitHubGitDownloadStrategy
  when %r{^https?://.+\.git$},
       %r{^git://},
       %r{^https?://git\.sr\.ht/[^/]+/[^/]+$},
       %r{^ssh://git}
    GitDownloadStrategy
  when %r{^https?://www\.apache\.org/dyn/closer\.cgi},
       %r{^https?://www\.apache\.org/dyn/closer\.lua}
    CurlApacheMirrorDownloadStrategy
  when %r{^https?://([A-Za-z0-9\-.]+\.)?googlecode\.com/svn},
       %r{^https?://svn\.},
       %r{^svn://},
       %r{^svn\+http://},
       %r{^http://svn\.apache\.org/repos/},
       %r{^https?://([A-Za-z0-9\-.]+\.)?sourceforge\.net/svnroot/}
    SubversionDownloadStrategy
  when %r{^cvs://}
    CVSDownloadStrategy
  when %r{^hg://},
       %r{^https?://([A-Za-z0-9\-.]+\.)?googlecode\.com/hg},
       %r{^https?://([A-Za-z0-9\-.]+\.)?sourceforge\.net/hgweb/}
    MercurialDownloadStrategy
  when %r{^bzr://}
    BazaarDownloadStrategy
  when %r{^fossil://}
    FossilDownloadStrategy
  else
    CurlDownloadStrategy
  end
end