1 files changed, 381 insertions, 0 deletions
diff --git a/spec/bundler/support/path.rb b/spec/bundler/support/path.rb
new file mode 100644
index 0000000000..2e6486412f
--- /dev/null
+++ b/spec/bundler/support/path.rb
@@ -0,0 +1,381 @@
+# frozen_string_literal: true
+
+require "pathname" unless defined?(Pathname)
+require "rbconfig"
+
+require_relative "env"
+
+module Spec
+  module Path
+    include Spec::Env
+
+    def source_root
+      @source_root ||= Pathname.new(ruby_core? ? "../../.." : "../../bundler").expand_path(__dir__)
+    end
+
+    def root
+      @root ||= system_gem_path("gems/bundler-#{Bundler::VERSION}")
+    end
+
+    def gemspec
+      @gemspec ||= source_root.join(relative_gemspec)
+    end
+
+    def relative_gemspec
+      @relative_gemspec ||= ruby_core? ? "lib/bundler/bundler.gemspec" : "bundler.gemspec"
+    end
+
+    def loaded_gemspec
+      @loaded_gemspec ||= Dir.chdir(source_root) { Gem::Specification.load(gemspec.to_s) }
+    end
+
+    def test_gemfile
+      @test_gemfile ||= tool_dir.join("test_gems.rb")
+    end
+
+    def rubocop_gemfile
+      @rubocop_gemfile ||= source_root.join(rubocop_gemfile_basename)
+    end
+
+    def standard_gemfile
+      @standard_gemfile ||= source_root.join(standard_gemfile_basename)
+    end
+
+    def dev_gemfile
+      @dev_gemfile ||= tool_dir.join("dev_gems.rb")
+    end
+
+    def dev_binstub
+      @dev_binstub ||= bindir.join("bundle")
+    end
+
+    def bindir
+      @bindir ||= source_root.join(ruby_core? ? "spec/bin" : "../bin")
+    end
+
+    def exedir
+      @exedir ||= source_root.join(ruby_core? ? "libexec" : "exe")
+    end
+
+    def installed_bindir
+      @installed_bindir ||= system_gem_path("bin")
+    end
+
+    def gem_cmd
+      @gem_cmd ||= ruby_core? ? source_root.join("bin/gem") : "gem"
+    end
+
+    def gem_bin
+      @gem_bin ||= ENV["GEM_COMMAND"] || "gem"
+    end
+
+    def path
+      env_path = ENV["PATH"]
+      env_path = env_path.split(File::PATH_SEPARATOR).reject {|path| path == exedir.to_s }.join(File::PATH_SEPARATOR) if ruby_core?
+      env_path
+    end
+
+    def spec_dir
+      @spec_dir ||= source_root.join(ruby_core? ? "spec/bundler" : "../spec")
+    end
+
+    def man_dir
+      @man_dir ||= lib_dir.join("bundler/man")
+    end
+
+    def hax
+      @hax ||= spec_dir.join("support/hax.rb")
+    end
+
+    def tracked_files
+      @tracked_files ||= git_ls_files(tracked_files_glob)
+    end
+
+    def shipped_files
+      @shipped_files ||= if ruby_core_tarball?
+        loaded_gemspec.files.map {|f| f.gsub(%r{^exe/}, "libexec/") }
+      elsif ruby_core?
+        tracked_files
+      else
+        loaded_gemspec.files
+      end
+    end
+
+    def lib_tracked_files
+      @lib_tracked_files ||= git_ls_files(lib_tracked_files_glob)
+    end
+
+    def man_tracked_files
+      @man_tracked_files ||= git_ls_files(man_tracked_files_glob)
+    end
+
+    def tmp(*path)
+      tmp_root.join("#{test_env_version}.#{scope}").join(*path)
+    end
+
+    def tmp_root
+      if ruby_core? && (tmpdir = ENV["TMPDIR"])
+        # Use realpath to resolve any symlinks in TMPDIR (e.g., on macOS /var -> /private/var)
+        real = begin
+          File.realpath(tmpdir)
+        rescue Errno::ENOENT, Errno::EACCES
+          tmpdir
+        end
+        Pathname(real)
+      else
+        (ruby_core? ? source_root : source_root.parent).join("tmp")
+      end
+    end
+
+    # Bump this version whenever you make a breaking change to the spec setup
+    # that requires regenerating tmp/.
+
+    def test_env_version
+      2
+    end
+
+    def scope
+      test_number = ENV["TEST_ENV_NUMBER"]
+      return "1" if test_number.nil?
+
+      test_number.empty? ? "1" : test_number
+    end
+
+    def home(*path)
+      tmp("home", *path)
+    end
+
+    def default_bundle_path(*path)
+      system_gem_path(*path)
+    end
+
+    def default_cache_path(*path)
+      default_bundle_path("cache/bundler", *path)
+    end
+
+    def compact_index_cache_path
+      home(".bundle/cache/compact_index")
+    end
+
+    def bundled_app(*path)
+      root = tmp("bundled_app")
+      FileUtils.mkdir_p(root)
+      root.join(*path)
+    end
+
+    def bundled_app2(*path)
+      root = tmp("bundled_app2")
+      FileUtils.mkdir_p(root)
+      root.join(*path)
+    end
+
+    def vendored_gems(path = nil)
+      scoped_gem_path(bundled_app("vendor/bundle")).join(*[path].compact)
+    end
+
+    def cached_gem(path)
+      bundled_app("vendor/cache/#{path}.gem")
+    end
+
+    def bundled_app_gemfile
+      bundled_app("Gemfile")
+    end
+
+    def bundled_app_lock
+      bundled_app("Gemfile.lock")
+    end
+
+    def scoped_base_system_gem_path
+      scoped_gem_path(base_system_gem_path)
+    end
+
+    def base_system_gem_path
+      tmp_root.join("gems/base")
+    end
+
+    def rubocop_gem_path
+      tmp_root.join("gems/rubocop")
+    end
+
+    def standard_gem_path
+      tmp_root.join("gems/standard")
+    end
+
+    def file_uri_for(path)
+      protocol = "file://"
+      root = Gem.win_platform? ? "/" : ""
+
+      protocol + root + path.to_s
+    end
+
+    def gem_repo1(*args)
+      gem_path("remote1", *args)
+    end
+
+    def gem_repo_missing(*args)
+      gem_path("missing", *args)
+    end
+
+    def gem_repo2(*args)
+      gem_path("remote2", *args)
+    end
+
+    def gem_repo3(*args)
+      gem_path("remote3", *args)
+    end
+
+    def gem_repo4(*args)
+      gem_path("remote4", *args)
+    end
+
+    def security_repo(*args)
+      gem_path("security_repo", *args)
+    end
+
+    def system_gem_path(*path)
+      gem_path("system", *path)
+    end
+
+    def pristine_system_gem_path
+      tmp_root.join("gems/pristine_system")
+    end
+
+    def local_gem_path(*path, base: bundled_app)
+      scoped_gem_path(base.join(".bundle")).join(*path)
+    end
+
+    def scoped_gem_path(base)
+      base.join(Gem.ruby_engine, RbConfig::CONFIG["ruby_version"])
+    end
+
+    def gem_path(*args)
+      tmp("gems", *args)
+    end
+
+    def lib_path(*args)
+      tmp("libs", *args)
+    end
+
+    def source_lib_dir
+      source_root.join("lib")
+    end
+
+    def lib_dir
+      root.join("lib")
+    end
+
+    def global_plugin_gem(*args)
+      home ".bundle", "plugin", "gems", *args
+    end
+
+    def local_plugin_gem(*args)
+      bundled_app ".bundle", "plugin", "gems", *args
+    end
+
+    def tmpdir(*args)
+      tmp "tmpdir", *args
+    end
+
+    def replace_version_file(version, dir: source_root)
+      version_file = File.expand_path("lib/bundler/version.rb", dir)
+      contents = File.read(version_file)
+      contents.sub!(/(^\s+VERSION\s*=\s*).*$/, %(\\1"#{version}"))
+      File.open(version_file, "w") {|f| f << contents }
+    end
+
+    def replace_required_ruby_version(version, dir:)
+      gemspec_file = File.expand_path("bundler.gemspec", dir)
+      contents = File.read(gemspec_file)
+      contents.sub!(/(^\s+s\.required_ruby_version\s*=\s*)"[^"]+"/, %(\\1"#{version}"))
+      File.open(gemspec_file, "w") {|f| f << contents }
+    end
+
+    def replace_changelog(version, dir:)
+      changelog = File.expand_path("CHANGELOG.md", dir)
+      contents = File.readlines(changelog)
+      contents = [contents[0], contents[1], "## #{version} (2100-01-01)\n", *contents[3..-1]].join
+      File.open(changelog, "w") {|f| f << contents }
+    end
+
+    def git_root
+      ruby_core? ? source_root : source_root.parent
+    end
+
+    def rake_path
+      find_base_path("rake")
+    end
+
+    def rake_version
+      File.basename(rake_path).delete_prefix("rake-").delete_suffix(".gem")
+    end
+
+    def sinatra_dependency_paths
+      deps = %w[
+        mustermann
+        rack
+        rack-protection
+        rack-session
+        tilt
+        sinatra
+        base64
+        logger
+        compact_index
+      ]
+      path = if deps.all? {|dep| !Dir[scoped_base_system_gem_path.join("gems/#{dep}-*")].empty? }
+        scoped_base_system_gem_path
+      elsif ruby_core? && deps.all? {|dep| !Dir[source_root.join(".bundle/gems/#{dep}-*")].empty? }
+        source_root.join(".bundle")
+      else
+        scoped_base_system_gem_path
+      end
+
+      Dir[path.join("gems/{#{deps.join(",")}}-*/lib")].map(&:to_s)
+    end
+
+    private
+
+    def find_base_path(name)
+      Dir["#{scoped_base_system_gem_path}/**/#{name}-*.gem"].first
+    end
+
+    def git_ls_files(glob)
+      skip "Not running on a git context, since running tests from a tarball" if ruby_core_tarball?
+
+      git("ls-files -z -- #{glob}", source_root).split("\x0")
+    end
+
+    def tracked_files_glob
+      ruby_core? ? "libexec/bundle* lib/bundler lib/bundler.rb spec/bundler man/bundle*" : "lib exe CHANGELOG.md LICENSE.md README.md bundler.gemspec"
+    end
+
+    def lib_tracked_files_glob
+      ruby_core? ? "lib/bundler lib/bundler.rb" : "lib"
+    end
+
+    def man_tracked_files_glob
+      "lib/bundler/man/bundle*.1.ronn lib/bundler/man/gemfile*.5.ronn"
+    end
+
+    def ruby_core_tarball?
+      !git_root.join(".git").directory?
+    end
+
+    def rubocop_gemfile_basename
+      tool_dir.join("rubocop_gems.rb")
+    end
+
+    def standard_gemfile_basename
+      tool_dir.join("standard_gems.rb")
+    end
+
+    def tool_dir
+      ruby_core? ? source_root.join("tool/bundler") : source_root.join("../tool/bundler")
+    end
+
+    def templates_dir
+      lib_dir.join("bundler", "templates")
+    end
+
+    extend self
+  end
+end