Merge bundler to standard libraries.

  rubygems 2.7.x depends bundler-1.15.x. This is preparation for
  rubygems and bundler migration.

  * lib/bundler.rb, lib/bundler/*: files of bundler-1.15.4
  * spec/bundler/*: rspec examples of bundler-1.15.4. I applied patches.
    * https://github.com/bundler/bundler/pull/6007
    * Exclude not working examples on ruby repository.
    * Fake ruby interpriter instead of installed ruby.
  * Makefile.in: Added test task named `test-bundler`. This task is only
    working macOS/linux yet. I'm going to support Windows environment later.
  * tool/sync_default_gems.rb: Added sync task for bundler.

  [Feature #12733][ruby-core:77172]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59779 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 134 insertions, 0 deletions

diff --git a/spec/bundler/support/path.rb b/spec/bundler/support/path.rb
new file mode 100644
index 0000000000..f28d660e83
--- /dev/null
+++ b/spec/bundler/support/path.rb
@@ -0,0 +1,134 @@
+# frozen_string_literal: true
+require "pathname"
+
+module Spec
+  module Path
+    def root
+      if !!(ENV["BUNDLE_RUBY"] && ENV["BUNDLE_GEM"])
+        # for Ruby Core
+        root_path = File.expand_path("../../../..", __FILE__)
+      else
+        root_path = File.expand_path("../../..", __FILE__)
+      end
+      @root ||= Pathname.new(root_path)
+    end
+
+    def gemspec
+      if !!(ENV["BUNDLE_RUBY"] && ENV["BUNDLE_GEM"])
+        # for Ruby Core
+        gemspec_path = File.expand_path(root.join("lib/bundler.gemspec"), __FILE__)
+      else
+        gemspec_path = File.expand_path(root.join("bundler.gemspec"), __FILE__)
+      end
+      @gemspec ||= Pathname.new(gemspec_path)
+    end
+
+    def bindir
+      if !!(ENV["BUNDLE_RUBY"] && ENV["BUNDLE_GEM"])
+        # for Ruby Core
+        bin_path = File.expand_path(root.join("bin"), __FILE__)
+      else
+        bin_path = File.expand_path(root.join("exe"), __FILE__)
+      end
+      @bindir ||= Pathname.new(bin_path)
+    end
+
+    def spec_dir
+      if !!(ENV["BUNDLE_RUBY"] && ENV["BUNDLE_GEM"])
+        # for Ruby Core
+        spec_path = File.expand_path(root.join("spec/bundler"), __FILE__)
+      else
+        spec_path = File.expand_path(root.join("spec"), __FILE__)
+      end
+      @spec_dir ||= Pathname.new(spec_path)
+    end
+
+    def tmp(*path)
+      root.join("tmp", *path)
+    end
+
+    def home(*path)
+      tmp.join("home", *path)
+    end
+
+    def default_bundle_path(*path)
+      system_gem_path(*path)
+    end
+
+    def bundled_app(*path)
+      root = tmp.join("bundled_app")
+      FileUtils.mkdir_p(root)
+      root.join(*path)
+    end
+
+    alias_method :bundled_app1, :bundled_app
+
+    def bundled_app2(*path)
+      root = tmp.join("bundled_app2")
+      FileUtils.mkdir_p(root)
+      root.join(*path)
+    end
+
+    def vendored_gems(path = nil)
+      bundled_app(*["vendor/bundle", Gem.ruby_engine, Gem::ConfigMap[:ruby_version], path].compact)
+    end
+
+    def cached_gem(path)
+      bundled_app("vendor/cache/#{path}.gem")
+    end
+
+    def base_system_gems
+      tmp.join("gems/base")
+    end
+
+    def gem_repo1(*args)
+      tmp("gems/remote1", *args)
+    end
+
+    def gem_repo_missing(*args)
+      tmp("gems/missing", *args)
+    end
+
+    def gem_repo2(*args)
+      tmp("gems/remote2", *args)
+    end
+
+    def gem_repo3(*args)
+      tmp("gems/remote3", *args)
+    end
+
+    def gem_repo4(*args)
+      tmp("gems/remote4", *args)
+    end
+
+    def security_repo(*args)
+      tmp("gems/security_repo", *args)
+    end
+
+    def system_gem_path(*path)
+      tmp("gems/system", *path)
+    end
+
+    def lib_path(*args)
+      tmp("libs", *args)
+    end
+
+    def bundler_path
+      Pathname.new(File.expand_path(root.join("lib"), __FILE__))
+    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
+
+    extend self
+  end
+end