Class: Doubleshot::Resolver::GemResolver

Inherits:
Doubleshot::Resolver show all
Defined in:
lib/doubleshot/resolver/gem_resolver.rb,
lib/doubleshot/resolver/gem_resolver/graph.rb,
lib/doubleshot/resolver/gem_resolver/demand.rb,
lib/doubleshot/resolver/gem_resolver/errors.rb,
lib/doubleshot/resolver/gem_resolver/solver.rb,
lib/doubleshot/resolver/gem_resolver/source.rb,
lib/doubleshot/resolver/gem_resolver/artifact.rb,
lib/doubleshot/resolver/gem_resolver/dependency.rb,
lib/doubleshot/resolver/gem_resolver/gem_source.rb,
lib/doubleshot/resolver/gem_resolver/solver/variable_row.rb,
lib/doubleshot/resolver/gem_resolver/solver/constraint_row.rb,
lib/doubleshot/resolver/gem_resolver/solver/variable_table.rb,
lib/doubleshot/resolver/gem_resolver/solver/constraint_table.rb

Defined Under Namespace

Modules: Errors Classes: Artifact, Demand, Dependency, GemSource, Graph, Solver, Source

Constant Summary collapse

DEFAULT_REPOSITORY = 
"http://rubygems.org"

Instance Method Summary collapse

Methods inherited from Doubleshot::Resolver

#fetch, #repositories

Constructor Details

#initialize(*repositories) ⇒ GemResolver

Returns a new instance of GemResolver.



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# File 'lib/doubleshot/resolver/gem_resolver.rb', line 6

def initialize(*repositories)
  super
  @graph = Graph.new(*repositories)
end

Instance Method Details

#resolve!(dependencies) ⇒ Object 



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# File 'lib/doubleshot/resolver/gem_resolver.rb', line 11

def resolve!(dependencies)
  demands = dependencies.map do |dependency|
    if dependency.requirements.empty?
      dependency.name
    else
      [ dependency.name, *dependency.requirements.map { |requirement| requirement.to_s } ]
    end
  end

  ui = Class.new do
    def say(*args)
      STDERR.puts *args
    end
  end.new
  ui = nil
  results = Solver.new(@graph, demands, ui).resolve

  results.each_pair do |name, version|
    dependencies.fetch(name).lock(version)
  end

  dependencies
end