Add bin and edit workflow

bin/gems/bundler-4.0.21/lib/bundler/rubygems_gem_installer.rb

@@ -0,0 +1,206 @@
+# frozen_string_literal: true
+
+require "rubygems/installer"
+
+module Bundler
+  class RubyGemsGemInstaller < Gem::Installer
+    # Cap how many jobserver slots a single gem's `make` may grab so that one
+    # gem with many recipes doesn't starve the others sharing the pool. Beyond
+    # a handful of jobs the extra parallelism rarely pays off in practice.
+    MAX_JOBS_PER_GEM = 3
+
+    def check_executable_overwrite(filename)
+      # Bundler needs to install gems regardless of binstub overwriting
+    end
+
+    def install
+      pre_install_checks
+
+      run_pre_install_hooks
+
+      spec.loaded_from = spec_file
+
+      # Completely remove any previous gem files
+      strict_rm_rf gem_dir
+      strict_rm_rf spec.extension_dir
+
+      SharedHelpers.filesystem_access(gem_dir, :create) do
+        FileUtils.mkdir_p gem_dir
+      end
+
+      SharedHelpers.filesystem_access(gem_dir, :write) do
+        extract_files
+      end
+
+      build_extensions if spec.extensions.any?
+      write_build_info_file
+      run_post_build_hooks
+
+      SharedHelpers.filesystem_access(bin_dir, :write) do
+        generate_bin
+      end
+
+      generate_plugins
+
+      write_spec
+
+      SharedHelpers.filesystem_access("#{gem_home}/cache", :write) do
+        write_cache_file
+      end
+
+      say spec.post_install_message unless spec.post_install_message.nil?
+
+      run_post_install_hooks
+
+      spec
+    end
+
+    if Bundler.rubygems.provides?("< 3.5")
+      def pre_install_checks
+        super
+      rescue Gem::FilePermissionError
+        # Ignore permission checks in RubyGems. Instead, go on, and try to write
+        # for real. We properly handle permission errors when they happen.
+        nil
+      end
+    end
+
+    def ensure_writable_dir(dir)
+      super
+    rescue Gem::FilePermissionError
+      # Ignore permission checks in RubyGems. Instead, go on, and try to write
+      # for real. We properly handle permission errors when they happen.
+      nil
+    end
+
+    def generate_plugins
+      return unless Gem::Installer.method_defined?(:generate_plugins, false)
+
+      ensure_writable_dir @plugins_dir
+
+      if spec.plugins.empty?
+        remove_plugins_for(spec, @plugins_dir)
+      else
+        regenerate_plugins_for(spec, @plugins_dir)
+      end
+    end
+
+    if Bundler.rubygems.provides?("< 3.5.19")
+      def generate_bin_script(filename, bindir)
+        bin_script_path = File.join bindir, formatted_program_filename(filename)
+
+        Gem.open_file_with_lock(bin_script_path) do
+          require "fileutils"
+          FileUtils.rm_f bin_script_path # prior install may have been --no-wrappers
+
+          File.open(bin_script_path, "wb", 0o755) do |file|
+            file.write app_script_text(filename)
+            file.chmod(options[:prog_mode] || 0o755)
+          end
+        end
+
+        verbose bin_script_path
+
+        generate_windows_script filename, bindir
+      end
+    end
+
+    def build_jobs
+      @jobserver_read_io&.read_nonblock(MAX_JOBS_PER_GEM, @jobserver_tokens)
+      acquired_jobs = @jobserver_tokens.empty? ? nil : @jobserver_tokens.size
+
+      acquired_jobs || Bundler.settings[:jobs] || super
+    rescue IO::WaitReadable, EOFError
+      1
+    end
+
+    def build_extensions
+      @jobserver_tokens = +""
+      @jobserver_read_io, @jobserver_write_io = connect_to_jobserver
+
+      extension_cache_path = options[:bundler_extension_cache_path]
+      extension_dir = spec.extension_dir
+      unless extension_cache_path && extension_dir
+        prepare_extension_build(extension_dir)
+        return super
+      end
+
+      build_complete = SharedHelpers.filesystem_access(extension_cache_path.join("gem.build_complete"), :read, &:file?)
+      if build_complete && !options[:force]
+        SharedHelpers.filesystem_access(File.dirname(extension_dir)) do |p|
+          FileUtils.mkpath p
+        end
+        SharedHelpers.filesystem_access(extension_cache_path) do
+          FileUtils.cp_r extension_cache_path, extension_dir
+        end
+      else
+        prepare_extension_build(extension_dir)
+        super
+        SharedHelpers.filesystem_access(extension_cache_path.parent, &:mkpath)
+        SharedHelpers.filesystem_access(extension_cache_path) do
+          FileUtils.cp_r extension_dir, extension_cache_path
+        end
+      end
+    ensure
+      unless @jobserver_tokens.empty?
+        @jobserver_write_io.write(@jobserver_tokens)
+        @jobserver_write_io.flush
+      end
+    end
+
+    def spec
+      if Bundler.rubygems.provides?("< 3.3.12") # RubyGems implementation rescues and re-raises errors before 3.3.12 and we don't want that
+        @package.spec
+      else
+        super
+      end
+    end
+
+    def gem_checksum
+      Checksum.from_gem_package(@package)
+    end
+
+    private
+
+    def connect_to_jobserver
+      return unless ENV["MAKEFLAGS"]
+      # We append our own --jobserver-auth, so read the last one. Otherwise a
+      # parent jobserver's descriptors (e.g. `bundle install` run under
+      # `make -j`) would be picked up instead of the pool ParallelInstaller created.
+      read_fd, write_fd = ENV["MAKEFLAGS"].scan(/--jobserver-auth=(\d+),(\d+)/).last
+
+      return unless read_fd && write_fd
+
+      # Pass explicit modes. On POSIX, IO.new detects the descriptor's access
+      # mode, but on Windows it can't, so the write end would default to read
+      # mode and raise "IOError: not opened for writing" when releasing slots.
+      [IO.new(read_fd.to_i, "r", autoclose: false), IO.new(write_fd.to_i, "w", autoclose: false)]
+    end
+
+    def prepare_extension_build(extension_dir)
+      SharedHelpers.filesystem_access(extension_dir, :create) do
+        FileUtils.mkdir_p extension_dir
+      end
+    end
+
+    def strict_rm_rf(dir)
+      return unless File.exist?(dir)
+      return if Dir.empty?(dir)
+
+      parent = File.dirname(dir)
+      parent_st = File.stat(parent)
+
+      if parent_st.world_writable? && !parent_st.sticky?
+        raise InsecureInstallPathError.new(spec.full_name, dir)
+      end
+
+      begin
+        FileUtils.remove_entry_secure(dir)
+      rescue StandardError => e
+        raise unless File.exist?(dir)
+
+        raise DirectoryRemovalError.new(e, "Could not delete previous installation of `#{dir}`")
+      end
+    end
+  end
+end