add gitinfo script

gitinfo.rb

@@ -0,0 +1,20 @@
+#!/usr/bin/env ruby
+
+# This script is based on the git-info shell script from Duane Johnson.
+# I like the ruby flavour, so i rebuild it in ruby. :)
+
+until File.directory? ".git" do
+  Dir.chdir ".." if Dir.pwd != "/"
+end
+
+abort "Not a git repository (or any of the parent directories): .git" unless File.directory? ".git"
+
+puts "== Remote URL: #{`git remote -v`}"
+puts "== Remote Branches:"
+puts `git branch -r --color`
+puts "== Local Branches:"
+puts `git branch --color`
+puts "== Configuration (.git/config)"
+puts `cat .git/config` 
+puts "== Most Recent Commit"
+puts `git log -1 --color`