utils/gems: extract from utils.
Also, don’t use any non-standard Ruby functionality to avoid needing any `requires.
This commit is contained in:
Mike McQuaid
parent
e095da4d01
commit
4f76d12874
@ -3,6 +3,7 @@ require "utils/analytics"
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require "utils/curl"
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require "utils/fork"
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require "utils/formatter"
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require "utils/gems"
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require "utils/git"
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require "utils/github"
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require "utils/inreplace"
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@ -201,68 +202,6 @@ module Homebrew
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_system(cmd, *args, **options)
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end
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def setup_gem_environment!
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# Match where our bundler gems are.
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ENV["GEM_HOME"] = "#{ENV["HOMEBREW_LIBRARY"]}/Homebrew/vendor/bundle/ruby/#{RbConfig::CONFIG["ruby_version"]}"
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ENV["GEM_PATH"] = ENV["GEM_HOME"]
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# Make rubygems notice env changes.
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Gem.clear_paths
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Gem::Specification.reset
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# Add Gem binary directory and (if missing) Ruby binary directory to PATH.
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path = PATH.new(ENV["PATH"])
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path.prepend(RUBY_BIN) if which("ruby") != RUBY_PATH
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path.prepend(Gem.bindir)
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ENV["PATH"] = path
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end
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# TODO: version can be removed when compat/download_strategy is deleted in 2.0
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def install_gem!(name, version = nil)
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setup_gem_environment!
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return unless Gem::Specification.find_all_by_name(name, version).empty?
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ohai "Installing or updating '#{name}' gem"
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install_args = %W[--no-document #{name}]
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install_args << "--version" << version if version
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# Do `gem install [...]` without having to spawn a separate process or
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# having to find the right `gem` binary for the running Ruby interpreter.
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require "rubygems/commands/install_command"
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install_cmd = Gem::Commands::InstallCommand.new
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install_cmd.handle_options(install_args)
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exit_code = 1 # Should not matter as `install_cmd.execute` always throws.
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begin
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install_cmd.execute
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rescue Gem::SystemExitException => e
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exit_code = e.exit_code
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end
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odie "Failed to install/update the '#{name}' gem." if exit_code.nonzero?
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end
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def install_gem_setup_path!(name, executable: name)
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install_gem!(name)
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return if which(executable)
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odie <<~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 install_bundler!
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install_gem_setup_path! "bundler", executable: "bundle"
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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"] = "#{HOMEBREW_LIBRARY_PATH}/test/Gemfile"
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system "bundle", "install" unless quiet_system("bundle", "check")
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setup_gem_environment!
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end
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# rubocop:disable Style/GlobalVars
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def inject_dump_stats!(the_module, pattern)
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@injected_dump_stat_modules ||= {}
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79
Library/Homebrew/utils/gems.rb
Normal file
79
Library/Homebrew/utils/gems.rb
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@ -0,0 +1,79 @@
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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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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 setup_gem_environment!
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# Match where our bundler gems are.
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ENV["GEM_HOME"] = "#{ENV["HOMEBREW_LIBRARY"]}/Homebrew/vendor/bundle/ruby/#{RbConfig::CONFIG["ruby_version"]}"
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ENV["GEM_PATH"] = ENV["GEM_HOME"]
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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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paths = ENV["PATH"].split(":")
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paths.unshift(ruby_bindir) unless paths.include?(ruby_bindir)
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paths.unshift(Gem.bindir) unless paths.include?(Gem.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)
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setup_gem_environment!
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return unless Gem::Specification.find_all_by_name(name, version).empty?
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# Shell out to `gem` to avoid RubyGems requires e.g. loading JSON.
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puts "==> Installing '#{name}' gem"
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install_args = %W[--no-document #{name}]
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install_args << "--version" << version if version
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return if system "#{ruby_bindir}/gem", "install", *install_args
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$stderr.puts "Error: failed to install the '#{name}' gem."
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exit 1
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end
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def install_gem_setup_path!(name, executable: name)
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install_gem!(name)
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return if ENV["PATH"].split(":").any? do |path|
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File.executable?("#{path}/#{executable}")
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end
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$stderr.puts <<~EOS
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Error: 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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exit 1
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end
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def install_bundler!
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install_gem_setup_path! "bundler", executable: "bundle"
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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/test/Gemfile"
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@bundle_installed ||= begin
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bundle_check_output = `#{Gem.bindir}/bundle check`
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bundle_check_failed = !$CHILD_STATUS.exitstatus.zero?
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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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system "#{Gem.bindir}/bundle", "install"
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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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