[PATCH] Add grep_shortcuts

Closes #125, Thanks David Lee!

lib/git/grep_shortcuts.rb

@@ -0,0 +1,47 @@
+#!/usr/bin/env ruby
+# encoding: UTF-8
+
+PROJECT_ROOT = File.exist?(".git") ? Dir.pwd : `\git rev-parse --show-toplevel 2> /dev/null`.strip
+
+COLORS = {
+  :rst => "\033[0m",
+  :del => "\033[0;31m",
+  :mod => "\033[0;32m",
+  :new => "\033[0;33m",
+  :ren => "\033[0;34m",
+  :cpy => "\033[0;33m",
+  :typ => "\033[0;35m",
+  :unt => "\033[0;36m",
+  :dark => "\033[2;37m",
+  :branch => "\033[1m",
+  :header => "\033[0m"
+}
+
+COLOR_MATCH = /\e\[[0-9;]*[mK]/
+
+output_files = []
+
+stdin = STDIN.set_encoding(Encoding::ASCII_8BIT)
+
+while stdin.gets
+  if $. > 1000
+    puts "Only showing first 1000 results. Please refine your search."
+    break
+  end
+  print "#{COLORS[:dark]}[#{COLORS[:rst]}#{$.}#{COLORS[:dark]}]#{COLORS[:rst]} "
+  matches = $_.match(/(^.+?)#{COLOR_MATCH}?:#{COLOR_MATCH}?(\d+)?/)
+  file = matches[1]
+  line = matches[2]
+  output_files << "#{file}#{line ? ":#{line}" : ""}"
+  puts $_
+end
+
+print "@@filelist@@::"
+
+output_files.each_with_index {|f,i|
+  # If file starts with a '~', treat it as a relative path.
+  # This is important when dealing with symlinks
+  print "|" unless i == 0
+  print f.start_with?("~") ? f.sub(/~/, '') : File.join(PROJECT_ROOT, f)
+}
+puts