Open all files with changes in TextMate

git-mate

#!/usr/bin/env ruby

git_changes = `git status --porcelain | awk '{print $2}'`
files = []
git_changes.split.each do |file|
  if File.directory?(file)
    files += Dir["#{file}**/*"]
  else
    files << file
  end
end
files.each { |f| `mate #{f}` }