Issy Long 073e739005
Use the debug gem from portable Ruby
- This is cleaner than vendoring a whole bunch of new gems and pinning `psych`.
- Thanks for the pointer, Bo!
- It doesn't work, though?

```
❯ brew tests --only=migrator --debug
Error: cannot load such file -- debug/debug.so
Warning: Removed Sorbet lines from backtrace!
Rerun with `--verbose` to see the original backtrace
/opt/homebrew/Library/Homebrew/vendor/portable-ruby/3.1.4/lib/ruby/gems/3.1.0/gems/debug-1.6.3/lib/debug/frame_info.rb:16:in `require'
/opt/homebrew/Library/Homebrew/vendor/portable-ruby/3.1.4/lib/ruby/gems/3.1.0/gems/debug-1.6.3/lib/debug/frame_info.rb:16:in `rescue in <module:DEBUGGER__>'
/opt/homebrew/Library/Homebrew/vendor/portable-ruby/3.1.4/lib/ruby/gems/3.1.0/gems/debug-1.6.3/lib/debug/frame_info.rb:13:in `<module:DEBUGGER__>'
/opt/homebrew/Library/Homebrew/vendor/portable-ruby/3.1.4/lib/ruby/gems/3.1.0/gems/debug-1.6.3/lib/debug/frame_info.rb:3:in `<top (required)>'
/opt/homebrew/Library/Homebrew/vendor/portable-ruby/3.1.4/lib/ruby/gems/3.1.0/gems/debug-1.6.3/lib/debug/session.rb:31:in `require_relative'
/opt/homebrew/Library/Homebrew/vendor/portable-ruby/3.1.4/lib/ruby/gems/3.1.0/gems/debug-1.6.3/lib/debug/session.rb:31:in `<top (required)>'
/opt/homebrew/Library/Homebrew/vendor/portable-ruby/3.1.4/lib/ruby/gems/3.1.0/gems/debug-1.6.3/lib/debug.rb:3:in `require_relative'
/opt/homebrew/Library/Homebrew/vendor/portable-ruby/3.1.4/lib/ruby/gems/3.1.0/gems/debug-1.6.3/lib/debug.rb:3:in `<top (required)>'
/opt/homebrew/Library/Homebrew/dev-cmd/tests.rb:48:in `require'
/opt/homebrew/Library/Homebrew/dev-cmd/tests.rb:48:in `run'
/opt/homebrew/Library/Homebrew/brew.rb:89:in `<main>'
```
2024-04-17 23:26:40 +01:00

59 lines
2.5 KiB
Ruby

# typed: true
# frozen_string_literal: true
# This file is included before any other files. It intentionally has typing disabled and has minimal use of `require`.
required_ruby_major, required_ruby_minor, = ENV.fetch("HOMEBREW_REQUIRED_RUBY_VERSION", "").split(".").map(&:to_i)
gems_vendored = if required_ruby_minor.nil?
# We're likely here if running RuboCop etc, so just assume we don't need to install gems as we likely already have
true
else
ruby_major, ruby_minor, = RUBY_VERSION.split(".").map(&:to_i)
raise "Could not parse Ruby requirements" if !ruby_major || !ruby_minor || !required_ruby_major
if ruby_major < required_ruby_major || (ruby_major == required_ruby_major && ruby_minor < required_ruby_minor)
raise "Homebrew must be run under Ruby #{required_ruby_major}.#{required_ruby_minor}! " \
"You're running #{RUBY_VERSION}."
end
# This list should match .gitignore
vendored_versions = ["3.1"].freeze
vendored_versions.include?("#{ruby_major}.#{ruby_minor}")
end.freeze
# We trust base Ruby to provide what we need.
# Don't look into the user-installed sitedir, which may contain older versions of RubyGems.
require "rbconfig"
$LOAD_PATH.reject! { |path| path.start_with?(RbConfig::CONFIG["sitedir"]) }
require "pathname"
dir = __dir__ || raise("__dir__ is not defined")
HOMEBREW_LIBRARY_PATH = Pathname(dir).parent.realpath.freeze
require_relative "../utils/gems"
Homebrew.setup_gem_environment!(setup_path: false)
# Install gems for Rubies we don't vendor for.
if !gems_vendored && !ENV["HOMEBREW_SKIP_INITIAL_GEM_INSTALL"]
Homebrew.install_bundler_gems!(setup_path: false)
ENV["HOMEBREW_SKIP_INITIAL_GEM_INSTALL"] = "1"
end
if Pathname.new(RbConfig.ruby).to_s.include?("/vendor/portable-ruby/")
prefix = RbConfig::CONFIG["rubylibprefix"]
ruby_version = RbConfig::CONFIG["ruby_version"]
$LOAD_PATH.unshift "#{prefix}/gems/#{ruby_version}/gems/debug-1.6.3/lib"
end
unless $LOAD_PATH.include?(HOMEBREW_LIBRARY_PATH.to_s)
# Insert the path after any existing Homebrew paths (e.g. those inserted by tests and parent processes)
last_homebrew_path_idx = $LOAD_PATH.rindex do |path|
path.start_with?(HOMEBREW_LIBRARY_PATH.to_s) && !path.include?("vendor/portable-ruby")
end || -1
$LOAD_PATH.insert(last_homebrew_path_idx + 1, HOMEBREW_LIBRARY_PATH.to_s)
end
require_relative "../vendor/bundle/bundler/setup"
$LOAD_PATH.unshift "#{HOMEBREW_LIBRARY_PATH}/vendor/bundle/#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/" \
"bundler-#{Homebrew::HOMEBREW_BUNDLER_VERSION}/lib"
$LOAD_PATH.uniq!