Class: Gel::PubGrub::Source

Inherits:
PubGrub::BasicPackageSource
  • Object
show all
Defined in:
lib/gel/pub_grub/source.rb

Defined Under Namespace

Classes: Spec

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(gemfile, catalogs, active_platforms, preference_strategy) ⇒ Source

Returns a new instance of Source.



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# File 'lib/gel/pub_grub/source.rb', line 17

def initialize(gemfile, catalogs, active_platforms, preference_strategy)
  @gemfile = gemfile
  @catalogs = catalogs
  @active_platforms = active_platforms
  @preference_strategy = preference_strategy

  @packages = Hash.new {|h, k| h[k] = PubGrub::Package.new(k) }
  @root = PubGrub::Package.root
  @root_version = PubGrub::Package.root_version

  @cached_specs = Hash.new { |h, k| h[k] = {} }
  @specs_by_package_version = {}

  super()
end

Instance Attribute Details

#root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'lib/gel/pub_grub/source.rb', line 15

def root
  @root
end

#root_version ⇒ Object (readonly)

Returns the value of attribute root_version.



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# File 'lib/gel/pub_grub/source.rb', line 15

def root_version
  @root_version
end

Instance Method Details

#all_versions_for(package) ⇒ Object 



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# File 'lib/gel/pub_grub/source.rb', line 41

def all_versions_for(package)
  if package.name =~ /^~/
    return [Gem::Version.new("0")]
  end

  fetch_package_info(package)

  @specs_by_package_version[package].values.map(&:gem_version)
end

#dependencies_for(package, version) ⇒ Object 



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# File 'lib/gel/pub_grub/source.rb', line 62

def dependencies_for(package, version)
  deps = {}

  case package.name
  when "~arguments"
    if @preference_strategy
      @preference_strategy.constraints.each do |name, constraints|
        deps[name] ||= []
        deps[name].concat constraints.flatten
      end
    end
  when /^~/
    raise "Unknown pseudo-package"
  else
    fetch_package_info(package) # probably already done, can't hurt

    spec = @specs_by_package_version[package][version.to_s]
    info = spec.info
    info = info.select { |p, i| @active_platforms.include?(p) }

    info.flat_map { |_, i| i[:dependencies] }.each do |n, cs|
      deps[n] ||= []
      deps[n].concat cs
    end

    # FIXME: ruby_constraints ???
  end

  deps
end

#parse_dependency(package, requirement) ⇒ Object 



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# File 'lib/gel/pub_grub/source.rb', line 109

def parse_dependency(package, requirement)
  ::PubGrub::VersionConstraint.new(@packages[package], range: to_range(requirement))
end

#root_dependencies ⇒ Object 



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# File 'lib/gel/pub_grub/source.rb', line 93

def root_dependencies
  deps = { "~arguments" => [] }

  @gemfile.gems.select do |_, _, options|
    next true unless platforms = options[:platforms]
    !([*platforms] & [:ruby, :mri]).empty?
  end.each do |name, constraints, _|
    deps[name] ||= []
    deps[name].concat constraints.flatten
  end

  deps.values.each(&:uniq!)

  deps
end

#sort_versions_by_preferred(package, sorted_versions) ⇒ Object 



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# File 'lib/gel/pub_grub/source.rb', line 51

def sort_versions_by_preferred(package, sorted_versions)
  sorted_versions = sorted_versions.reverse

  if @preference_strategy
    sorted_versions = @preference_strategy.sort_versions_by_preferred(package, sorted_versions)
  end

  prereleases, releases = sorted_versions.partition(&:prerelease?)
  releases.concat(prereleases)
end

#spec_for_version(package, version) ⇒ Object 



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# File 'lib/gel/pub_grub/source.rb', line 33

def spec_for_version(package, version)
  if package.name =~ /^~/
    return Spec.new(nil, package.name, version, [])
  end

  @specs_by_package_version[package][version.to_s]
end