127 lines
3.6 KiB
Ruby
127 lines
3.6 KiB
Ruby
# frozen_string_literal: true
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# Never `require` anything in this file (except English). It needs to be able to
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# work as the first item in `brew.rb` so we can load gems with Bundler when
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# needed before anything else is loaded (e.g. `json`).
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require "English"
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module Homebrew
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# Keep in sync with the Gemfile.lock's BUNDLED WITH.
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HOMEBREW_BUNDLER_VERSION = "1.17.2"
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module_function
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def ruby_bindir
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"#{RbConfig::CONFIG["prefix"]}/bin"
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end
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def gem_user_bindir
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require "rubygems"
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"#{Gem.user_dir}/bin"
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end
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def ohai_if_defined(message)
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if defined?(ohai)
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ohai message
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else
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puts "==> #{message}"
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end
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end
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def odie_if_defined(message)
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if defined?(odie)
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odie message
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else
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$stderr.puts "Error: #{message}"
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exit 1
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end
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end
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def setup_gem_environment!(gem_home: nil, gem_bindir: nil)
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require "rubygems"
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# Match where our bundler gems are.
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gem_home ||= "#{ENV["HOMEBREW_LIBRARY"]}/Homebrew/vendor/bundle/ruby/#{RbConfig::CONFIG["ruby_version"]}"
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ENV["GEM_HOME"] = gem_home
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ENV["GEM_PATH"] = "#{ENV["GEM_HOME"]}:#{Gem.default_dir}"
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# Set TMPDIR so Xcode's `make` doesn't fall back to `/var/tmp/`,
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# which may be not user-writable.
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ENV["TMPDIR"] = ENV["HOMEBREW_TEMP"]
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# Make RubyGems notice environment changes.
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Gem.clear_paths
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Gem::Specification.reset
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# Add necessary Ruby and Gem binary directories to PATH.
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gem_bindir ||= Gem.bindir
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paths = ENV["PATH"].split(":")
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paths.unshift(gem_bindir) unless paths.include?(gem_bindir)
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paths.unshift(ruby_bindir) unless paths.include?(ruby_bindir)
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ENV["PATH"] = paths.compact.join(":")
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end
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def install_gem!(name, version: nil, setup_gem_environment: true)
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setup_gem_environment! if setup_gem_environment
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return unless Gem::Specification.find_all_by_name(name, version).empty?
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ohai_if_defined "Installing '#{name}' gem"
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# document: [] , is equivalent to --no-document
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Gem.install name, version, document: []
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rescue Gem::UnsatisfiableDependencyError
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odie_if_defined "failed to install the '#{name}' gem."
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end
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def install_gem_setup_path!(name, version: nil, executable: name, setup_gem_environment: true)
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install_gem!(name, version: version, setup_gem_environment: setup_gem_environment)
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return if find_in_path(executable)
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odie_if_defined <<~EOS
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the '#{name}' gem is installed but couldn't find '#{executable}' in the PATH:
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#{ENV["PATH"]}
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EOS
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end
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def find_in_path(executable)
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ENV["PATH"].split(":").find do |path|
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File.executable?("#{path}/#{executable}")
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end
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end
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def install_bundler!
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require "rubygems"
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setup_gem_environment!(gem_home: Gem.user_dir, gem_bindir: gem_user_bindir)
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install_gem_setup_path!(
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"bundler",
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version: HOMEBREW_BUNDLER_VERSION,
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executable: "bundle",
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setup_gem_environment: false,
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)
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end
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def install_bundler_gems!
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install_bundler!
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ENV["BUNDLE_GEMFILE"] = "#{ENV["HOMEBREW_LIBRARY"]}/Homebrew/Gemfile"
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@bundle_installed ||= begin
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bundle = "#{find_in_path(:bundle)}/bundle"
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bundle_check_output = `#{bundle} check 2>&1`
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bundle_check_failed = !$CHILD_STATUS.success?
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# for some reason sometimes the exit code lies so check the output too.
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if bundle_check_failed || bundle_check_output.include?("Install missing gems")
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unless system bundle, "install"
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odie_if_defined <<~EOS
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failed to run `#{bundle} install`!
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EOS
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end
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else
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true
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end
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end
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setup_gem_environment!
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end
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end
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