rake task to compare remote and local git branches

compare_git_branches.rake

task :compare_remote_and_local_branch do
  sh "git remote update"
  current_branch     = `git rev-parse --abbrev-ref HEAD`
  local_commit_hash  = `git rev-parse HEAD`
  remote_commit_hash = `git rev-parse origin/#{current_branch}`

  print "#{Term::ANSIColor.green}[INFO]: branch: #{current_branch}#{Term::ANSIColor.reset}"
  print "#{Term::ANSIColor.green}[INFO]: local commit hash: #{local_commit_hash}#{Term::ANSIColor.reset}"
  print "#{Term::ANSIColor.green}[INFO]: remote commit hash: #{remote_commit_hash}#{Term::ANSIColor.reset}"

  if local_commit_hash == remote_commit_hash
    puts "#{Term::ANSIColor.green}[STOP]: local und remote sind gleich.#{Term::ANSIColor.reset}"
    exit()
  end
end