New formula: nu

Signed-off-by: Kevin Ballard <kevin@sb.org>
Signed-off-by: David Höppner <0xffea@gmail.com>

* remove aka

Formula/nu.rb

@@ -0,0 +1,53 @@
+require 'formula'
+
+class Nu <Formula
+  url 'http://programming.nu/releases/Nu-0.4.0.tgz'
+  homepage 'http://programming.nu'
+  md5 '94d181e94cd661569103290183e89477'
+
+  depends_on 'pcre'
+
+  def install
+    ENV['PREFIX']="#{prefix}"
+    inreplace "Makefile" do |s|
+      cflags = s.get_make_var "CFLAGS"
+      s.change_make_var! "CFLAGS", "#{cflags} #{ENV["CPPFLAGS"]}"
+    end
+    inreplace "Nukefile" do |s|
+      case Hardware.cpu_type
+      when :intel
+        arch = :i386
+      when :ppc
+        arch = :ppc
+      end
+      arch = :x86_64 if arch == :i386 && Hardware.is_64_bit?
+      s.sub!(/^;;\(set @arch '\("i386"\)\)$/, "(set @arch '(\"#{arch}\"))") unless arch.nil?
+      s.gsub!('(SH "sudo ', '(SH "') # don't use sudo to install
+      s.gsub!('#{@destdir}/Library/Frameworks', '#{@prefix}/Library/Frameworks')
+      s.sub! /^;; source files$/, <<-EOS
+;; source files
+(set @framework_install_path "#{prefix}/Library/Frameworks")
+EOS
+    end
+    system "make"
+    system "./mininush", "tools/nuke"
+    bin.mkdir
+    lib.mkdir
+    include.mkdir
+    system "./mininush", "tools/nuke", "install"
+  end
+
+  def caveats
+    if self.installed? and File.exists? prefix+"Library/Frameworks/Nu.framework"
+      return <<-EOS.undent
+        Nu.framework was installed to:
+          #{prefix}/Library/Frameworks/Nu.framework
+
+        You may want to symlink this Framework to a standard OS X location,
+        such as:
+          ln -s "#{prefix}/Library/Frameworks/Nu.framework" /Library/Frameworks
+      EOS
+    end
+    return nil
+  end
+end