Add --with-docs option to scala formula

The Scala distributions do not include documentation for library APIs
and tools. That documentation is distributed separately. This change
makes the formula install this documentation when the --with-docs
option is given.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/Library/Formula/scala.rb b/Library/Formula/scala.rb
index f34b6cc40..e32e500ad 100644
--- a/Library/Formula/scala.rb
+++ b/Library/Formula/scala.rb
@@ -1,11 +1,22 @@
 require 'formula'
 
+class ScalaDocs <Formula
+  homepage 'http://www.scala-lang.org/'
+  url 'http://www.scala-lang.org/downloads/distrib/files/scala-2.8.1.final-devel-docs.tgz'
+  version '2.8.1'
+  md5 'afd5c7d3073bd735a25cfc4ed61f3543'
+end
+
 class Scala <Formula
   homepage 'http://www.scala-lang.org/'
   url 'http://www.scala-lang.org/downloads/distrib/files/scala-2.8.1.final.tgz'
   version '2.8.1'
   md5 '4fa66742341b5c9f6877ce64d409cb92'
 
+  def options
+    [['--with-docs', 'Also install library documentation']]
+  end
+
   def install
     rm_f Dir["bin/*.bat"]
     doc.install Dir['doc/*']
@@ -13,5 +24,9 @@ class Scala <Formula
     libexec.install Dir['*']
     bin.mkpath
     Dir["#{libexec}/bin/*"].each { |f| ln_s f, bin }
+
+    if ARGV.include? '--with-docs'
+      ScalaDocs.new.brew { doc.install Dir['*'] }
+    end
   end
 end