release_notes

#!/usr/bin/ruby
version = ARGV.first

if version
  releases = `heroku releases -n 50 --remote=production | grep Deploy | grep -A1 #{ARGV.first}`
  commits = releases.split("\n").reverse.map {|r| r.split(/\s/)[3] }.join('..')
  command = 'git log --pretty=format:"%h - %an, %ar : %s" ' + commits
  puts `#{command}`
else
  puts "A version is required:  ex: release_notes v191"
  puts `heroku releases --remote=production`
end