Add bash completion to R

This is the same completion script that Debian includes in the r-base-core
package.

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

1 files changed, 11 insertions, 0 deletions

diff --git a/Library/Formula/r.rb b/Library/Formula/r.rb
index b035c83b6..fcdbc3f33 100644
--- a/Library/Formula/r.rb
+++ b/Library/Formula/r.rb
@@ -4,6 +4,13 @@ def valgrind?
   ARGV.include? '--with-valgrind'
 end
 
+class RBashCompletion < Formula
+  # This is the same script that Debian packages use.
+  url 'http://rcompletion.googlecode.com/svn-history/r12/trunk/bash_completion/R', :using => :curl
+  version 'r12'
+  md5 '3c8f6cf1c07e052074ee843be00fa5d6'
+end
+
 class R < Formula
   url 'http://cran.r-project.org/src/base/R-2/R-2.13.0.tar.gz'
   homepage 'http://www.R-project.org/'
@@ -50,6 +57,10 @@ class R < Formula
     ln_s prefix+"R.framework/Resources/bin/Rscript", bin
     ln_s prefix+"R.framework/Resources/man1/R.1", man1
     ln_s prefix+"R.framework/Resources/man1/Rscript.1", man1
+
+    bash_dir = prefix + 'etc/bash_completion.d'
+    bash_dir.mkpath
+    RBashCompletion.new.brew { bash_dir.install 'R' }
   end
 
   def caveats; <<-EOS.undent