Class: Bundler::AsOf::InstallModifier

Inherits:
Object
  • Object
show all
Defined in:
lib/bundler/as_of.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ InstallModifier

Returns a new instance of InstallModifier.



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# File 'lib/bundler/as_of.rb', line 13

def initialize
  @modified_dependencies = {} # name => modified Bundler::Dependency
end

Instance Method Details

#as_of_date ⇒ Object 



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# File 'lib/bundler/as_of.rb', line 64

def as_of_date
  return nil if as_of_env.nil?

  @as_of_date ||= begin
    Date.parse(as_of_env)
  rescue Date::Error
    raise(BundlerError, "ERROR: bundler-as_of could not parse #{BUNDLE_AS_OF}=#{as_of_env.inspect}")
  end
end

#as_of_env ⇒ Object 



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# File 'lib/bundler/as_of.rb', line 74

def as_of_env
  ENV[BUNDLE_AS_OF]
end

#modify_dependencies(dependencies) ⇒ Object 



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# File 'lib/bundler/as_of.rb', line 17

def modify_dependencies(dependencies)
  if as_of_date.nil?
    warn("NOTE: bundler-as_of is installed but #{BUNDLE_AS_OF} is not set")
    return
  end
  warn("NOTE: bundler-as_of: bundling dependencies as of #{as_of_date} ...")

  resolve_transitive_dependencies(dependencies)

  dependencies.clear
  @modified_dependencies.each do |name, dep|
    dependencies << dep
  end
end

#resolve_transitive_dependencies(dependencies) ⇒ Object 



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# File 'lib/bundler/as_of.rb', line 32

def resolve_transitive_dependencies(dependencies)
  queued = dependencies.dup

  while !queued.empty?
    resolving = queued
    queued = []

    resolving.each do |dependency|
      if dependency.name == "bundler"
        raise(BundlerError, "ERROR: please remove bundler from the Gemfile or gemspec")
      end

      next if @modified_dependencies.key?(dependency.name)

      orig_req = dependency.requirements_list
      release = VersionFinder.new(dependency, as_of_date).resolve
      if release
        warn("NOTE: bundler-as_of: resolving #{dependency.name} #{orig_req} to #{release.version} released on #{release.date}")
        @modified_dependencies[release.name] = Bundler::Dependency.new(release.name, release.version)

        release.dependencies.each do |transitive_name, transitive_req|
          transitive_dep = Gem::Dependency.new(transitive_name, transitive_req.split(","))
          queued << transitive_dep
        end
      else
        warn("NOTE: bundler-as_of: WARNING: could not resolve #{dependency.name} to a version matching #{dependency.requirements_list} from #{as_of_date}")
        @modified_dependencies[dependency.name] = dependency
      end
    end
  end
end