ruby@2.0: import from homebrew/versions.

Formula/ruby@2.0.rb

@@ -0,0 +1,177 @@
+class RubyAT20 < Formula
+  desc "Powerful, clean, object-oriented scripting language"
+  homepage "https://www.ruby-lang.org/"
+  url "https://cache.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-p648.tar.bz2"
+  sha256 "087ad4dec748cfe665c856dbfbabdee5520268e94bb81a1d8565d76c3cc62166"
+  revision 1
+
+  keg_only :versioned_formula
+
+  option "with-suffix", "Suffix commands with '20'"
+  option "with-doc", "Install documentation"
+  option "with-tcltk", "Install with Tcl/Tk support"
+
+  depends_on "pkg-config" => :build
+  depends_on "readline" => :recommended
+  depends_on "gdbm" => :optional
+  depends_on "libffi" => :optional
+  depends_on "libyaml"
+  depends_on "openssl"
+  depends_on :x11 if build.with? "tcltk"
+
+  def install
+    args = %W[
+      --prefix=#{prefix}
+      --enable-shared
+      --with-sitedir=#{HOMEBREW_PREFIX}/lib/ruby/site_ruby
+      --with-vendordir=#{HOMEBREW_PREFIX}/lib/ruby/vendor_ruby
+    ]
+
+    if build.universal?
+      ENV.universal_binary
+      args << "--with-arch=#{Hardware::CPU.universal_archs.join(",")}"
+    end
+
+    args << "--program-suffix=#{program_suffix}" if build.with? "suffix"
+    args << "--with-out-ext=tk" if build.without? "tcltk"
+    args << "--disable-install-doc" if build.without? "doc"
+    args << "--disable-dtrace" unless MacOS::CLT.installed?
+
+    paths = [
+      Formula["libyaml"].opt_prefix,
+      Formula["openssl"].opt_prefix,
+    ]
+
+    %w[readline gdbm libffi].each do |dep|
+      paths << Formula[dep].opt_prefix if build.with? dep
+    end
+
+    args << "--with-opt-dir=#{paths.join(":")}"
+
+    system "./configure", *args
+
+    # Ruby has been configured to look in the HOMEBREW_PREFIX for the
+    # sitedir and vendordir directories; however we don't actually want to create
+    # them during the install.
+    #
+    # These directories are empty on install; sitedir is used for non-rubygems
+    # third party libraries, and vendordir is used for packager-provided libraries.
+    inreplace "tool/rbinstall.rb" do |s|
+      s.gsub! 'prepare "extension scripts", sitelibdir', ""
+      s.gsub! 'prepare "extension scripts", vendorlibdir', ""
+      s.gsub! 'prepare "extension objects", sitearchlibdir', ""
+      s.gsub! 'prepare "extension objects", vendorarchlibdir', ""
+    end
+
+    system "make"
+    system "make", "install"
+  end
+
+  def post_install
+    # Customize rubygems to look/install in the global gem directory
+    # instead of in the Cellar, making gems last across reinstalls
+    config_file = lib/"ruby/#{abi_version}/rubygems/defaults/operating_system.rb"
+    config_file.unlink if config_file.exist?
+    config_file.write rubygems_config
+
+    # Create the sitedir and vendordir that were skipped during install
+    ruby="#{bin}/ruby#{program_suffix}"
+    %w[sitearchdir vendorarchdir].each do |dir|
+      mkdir_p `#{ruby} -rrbconfig -e 'print RbConfig::CONFIG["#{dir}"]'`
+    end
+
+    # Create the version-specific bindir used by rubygems
+    mkdir_p rubygems_bindir
+  end
+
+  def abi_version
+    "2.0.0"
+  end
+
+  def program_suffix
+    build.with?("suffix") ? "20" : ""
+  end
+
+  def rubygems_bindir
+    "#{HOMEBREW_PREFIX}/lib/ruby/gems/#{abi_version}/bin"
+  end
+
+  def rubygems_config; <<-EOS.undent
+    module Gem
+      class << self
+        alias :old_default_dir :default_dir
+        alias :old_default_path :default_path
+        alias :old_default_bindir :default_bindir
+        alias :old_ruby :ruby
+      end
+
+      def self.default_dir
+        path = [
+          "#{HOMEBREW_PREFIX}",
+          "lib",
+          "ruby",
+          "gems",
+          "#{abi_version}"
+        ]
+
+        @default_dir ||= File.join(*path)
+      end
+
+      def self.private_dir
+        path = if defined? RUBY_FRAMEWORK_VERSION then
+                 [
+                   File.dirname(RbConfig::CONFIG['sitedir']),
+                   'Gems',
+                   RbConfig::CONFIG['ruby_version']
+                 ]
+               elsif RbConfig::CONFIG['rubylibprefix'] then
+                 [
+                  RbConfig::CONFIG['rubylibprefix'],
+                  'gems',
+                  RbConfig::CONFIG['ruby_version']
+                 ]
+               else
+                 [
+                   RbConfig::CONFIG['libdir'],
+                   ruby_engine,
+                   'gems',
+                   RbConfig::CONFIG['ruby_version']
+                 ]
+               end
+
+        @private_dir ||= File.join(*path)
+      end
+
+      def self.default_path
+        if Gem.user_home && File.exist?(Gem.user_home)
+          [user_dir, default_dir, private_dir]
+        else
+          [default_dir, private_dir]
+        end
+      end
+
+      def self.default_bindir
+        "#{rubygems_bindir}"
+      end
+
+      def self.ruby
+        "#{opt_bin}/ruby#{program_suffix}"
+      end
+    end
+    EOS
+  end
+
+  def caveats; <<-EOS.undent
+    By default, binaries installed by gem will be placed into:
+      #{rubygems_bindir}
+
+    You may want to add this to your PATH.
+    EOS
+  end
+
+  test do
+    hello_text = shell_output("#{bin}/ruby#{program_suffix} -e 'puts :hello'")
+    assert_equal "hello\n", hello_text
+    system "#{bin}/gem#{program_suffix}", "list", "--local"
+  end
+end