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98 lines
3.4 KiB
Ruby
98 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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# Allows for declaring a Gemfile inline in a ruby script, installing any gems
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# that aren't already installed on the user's system.
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#
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# @note Every gem that is specified in this 'Gemfile' will be `require`d, as if
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# the user had manually called `Bundler.require`. To avoid a requested gem
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# being automatically required, add the `:require => false` option to the
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# `gem` dependency declaration.
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#
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# @param force_latest_compatible [Boolean] Force installing the *latest*
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# compatible versions of the gems,
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# even if compatible versions are
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# already installed locally.
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# This also logs output if the
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# `:quiet` option is not set.
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# Defaults to `false`.
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#
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# @param gemfile [Proc] a block that is evaluated as a `Gemfile`.
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#
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# @example Using an inline Gemfile
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#
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# #!/usr/bin/env ruby
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#
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# require 'bundler/inline'
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#
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# gemfile do
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# source 'https://rubygems.org'
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# gem 'json', require: false
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# gem 'nap', require: 'rest'
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# gem 'cocoapods', '~> 0.34.1'
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# end
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#
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# puts Pod::VERSION # => "0.34.4"
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#
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def gemfile(force_latest_compatible = false, options = {}, &gemfile)
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require_relative "../bundler"
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Bundler.reset!
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opts = options.dup
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ui = opts.delete(:ui) { Bundler::UI::Shell.new }
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ui.level = "silent" if opts.delete(:quiet) || !force_latest_compatible
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Bundler.ui = ui
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raise ArgumentError, "Unknown options: #{opts.keys.join(", ")}" unless opts.empty?
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old_gemfile = ENV["BUNDLE_GEMFILE"]
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Bundler.unbundle_env!
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begin
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Bundler.instance_variable_set(:@bundle_path, Pathname.new(Gem.dir))
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Bundler::SharedHelpers.set_env "BUNDLE_GEMFILE", "Gemfile"
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Bundler::Plugin.gemfile_install(&gemfile) if Bundler.feature_flag.plugins?
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builder = Bundler::Dsl.new
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builder.instance_eval(&gemfile)
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Bundler.settings.temporary(deployment: false, frozen: false) do
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definition = builder.to_definition(nil, true)
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definition.validate_runtime!
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if force_latest_compatible || definition.missing_specs?
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Bundler.settings.temporary(inline: true, no_install: false) do
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installer = Bundler::Installer.install(Bundler.root, definition, system: true)
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installer.post_install_messages.each do |name, message|
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Bundler.ui.info "Post-install message from #{name}:\n#{message}"
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end
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end
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end
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begin
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runtime = Bundler::Runtime.new(nil, definition).setup
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rescue Gem::LoadError => e
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name = e.name
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version = e.requirement.requirements.first[1]
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activated_version = Gem.loaded_specs[name].version
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Bundler.ui.info \
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"The #{name} gem was resolved to #{version}, but #{activated_version} was activated by Bundler while installing it, causing a conflict. " \
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"Bundler will now retry resolving with #{activated_version} instead."
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builder.dependencies.delete_if {|d| d.name == name }
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builder.instance_eval { gem name, activated_version }
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definition = builder.to_definition(nil, true)
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retry
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end
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runtime.require
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end
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ensure
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if old_gemfile
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ENV["BUNDLE_GEMFILE"] = old_gemfile
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else
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ENV["BUNDLE_GEMFILE"] = ""
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end
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end
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end
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