From 2b8f5fd8f99e0ab2c2d576bdd4d7815f683c64bb Mon Sep 17 00:00:00 2001
From: Adam Vandenberg
Date: Wed, 5 May 2010 08:48:41 -0700
Subject: Update hadoop to install to libexec.

Install Hadoop to libexec, and then create shim scripts for the binaries
that run from the installed location.

This prevents PREFIX/lib from being spammed with  jars.
---
 Library/Formula/hadoop.rb | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'Library/Formula')

diff --git a/Library/Formula/hadoop.rb b/Library/Formula/hadoop.rb
index de723b09d..a4bd78e92 100644
--- a/Library/Formula/hadoop.rb
+++ b/Library/Formula/hadoop.rb
@@ -5,8 +5,27 @@ class Hadoop < Formula
   homepage 'http://hadoop.apache.org/common/'
   md5 '8f40198ed18bef28aeea1401ec536cb9'
 
+  def shim_script target
+    <<-EOS.undent
+      #!/usr/bin/env bash
+      cd #{libexec}/bin
+      ./#{target} $*
+    EOS
+  end
+
   def install
     rm_f Dir["bin/*.bat"]
-    prefix.install %w[bin conf contrib lib]
+    libexec.install %w[bin conf contrib lib]
+    bin.mkpath
+    Dir["#{libexec}/bin/*"].each do |b|
+      n = Pathname.new(b).basename
+      (bin+n).write shim_script(n)
+    end
+  end
+
+  def caveats
+    <<-EOS.undent
+      $JAVA_HOME must be set for Hadoop commands to work.
+    EOS
   end
 end
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