Class: DownloadStrategyDetector

Inherits:

Object

• Object
• DownloadStrategyDetector

Defined in:

brew/Library/Homebrew/download_strategy.rb

Class Method Summary

• .detect(url, using = nil) ⇒ Object
• .detect_from_symbol(symbol) ⇒ Object
• .detect_from_url(url) ⇒ Object

Class Method Details

.detect(url, using = nil) ⇒ Object

# File 'brew/Library/Homebrew/download_strategy.rb', line 1062

def self.detect(url, using = nil)
  strategy = 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 #{strategy.inspect}"
  end

  strategy
end

.detect_from_symbol(symbol) ⇒ Object

# File 'brew/Library/Homebrew/download_strategy.rb', line 1111

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 :cvs                    then CVSDownloadStrategy
  when :post                   then CurlPostDownloadStrategy
  when :fossil                 then FossilDownloadStrategy
  else
    raise "Unknown download strategy #{symbol} was requested."
  end
end

.detect_from_url(url) ⇒ Object

# File 'brew/Library/Homebrew/download_strategy.rb', line 1077

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