Pig formula

Formula/pig.rb

@@ -0,0 +1,40 @@
+require 'formula'
+
+class Pig < Formula
+  url 'http://apache.dataphone.se/hadoop/pig/pig-0.5.0/pig-0.5.0.tar.gz'
+  homepage 'http://hadoop.apache.org/pig/'
+  md5 '9687f3a8c6042938bf8b1b225e6d4b40'
+
+  def patches
+    DATA
+  end
+
+  def install
+    rm_f Dir["#{bin}/*.bat"]
+    prefix.install 'bin'
+    prefix.install 'lib/hadoop20.jar'
+    prefix.install "pig-#{version}-core.jar"
+  end
+  
+end
+
+# There's something weird with Pig's launch script, it doesn't find the correct
+# path. This patch removes a test that should fail, but doesn't.
+__END__
+diff --git a/bin/pig b/bin/pig
+index 97fc649..79056cf 100644
+--- a/bin/pig
++++ b/bin/pig
+@@ -56,11 +56,7 @@ this="$0"
+ while [ -h "$this" ]; do
+     ls=`ls -ld "$this"`
+     link=`expr "$ls" : '.*-> \(.*\)$'`
+-    if expr "$link" : '.*/.*' > /dev/null; then
+-        this="$link"
+-    else
+-        this=`dirname "$this"`/"$link"
+-    fi
++    this=`dirname "$this"`/"$link"
+ done
+ 
+ # convert relative path to absolute path