git_storage.rb

# a cute key/value (web-)store using git and sinatra
# inspiration: "gittin down to the plumbing" by scott chacon
# http://video2010.scottishrubyconference.com/show_video/11/0

get "/:key" do
  value = retrieve params[:key]
  halt 404 unless $?.success?
  value
end

post "/" do
  return unless params[:store]
  store params[:store]
end

def store(value)
  `echo '#{value}' | git hash-object -w --stdin`
end

def retrieve(key)
  `git cat-file blob #{key}`
end

nice!