Module: Gems::RubyGems

Defined in:
lib/repo_conf_generators/gem_conf_generators.rb

Class Method Summary collapse

Class Method Details

.generate(description, base_urls, frozen_date = "latest") ⇒ Object

The different generate classes will always generate an exception (“string”) if there’s anything that went wrong. If no exception, things went well.



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# File 'lib/repo_conf_generators/gem_conf_generators.rb', line 42

def self.generate(description, base_urls, frozen_date="latest")

  #1 - get the current sources
  initial_sources= Gems.gem('sources', '--list').split("\n")
  initial_sources.reject!{|s| s =~ /^\*\*\*/ || s.chomp == "" } # Discard the message (starting with ***) and empty lines returned by gem sources

  #2- Add our sources
  repo_path = "archive/"+ (frozen_date || "latest")
  mirror_list =  base_urls.map do |bu|
    bu +='/' unless bu[-1..-1] == '/' # ensure the base url is terminated with a '/'
    bu+repo_path+ ( repo_path[-1..-1] == '/'? "":"/")
  end
  sources_to_delete = initial_sources-mirror_list # remove good sources from later deletion if we're gonna add them right now.
  mirror_list.map do |m|
    begin
      puts "Adding gem source: #{m}"
      Gems.gem('sources', '--add', m)
    rescue Exception => e
      puts "Error Adding gem source #{m}: #{e}\n...continuing with others..."
    end
  end

  #3-Delete the initial ones (that don't overlap with the new ones)
  sources_to_delete.map do |m|
    begin
      puts "Removing stale gem source: #{m}"
      Gems.gem('sources', '--remove', m)
    rescue Exception => e
      puts "Error Adding gem source #{m}: #{e}\n...continuing with others..."
    end
  end
  mirror_list
end