Preparing version notes for upload via supply

Fastfile

desc "Move the release notes to the correct location"
private_lane :prepare_release_notes do
  versions = google_play_track_version_codes(
    package_name: "com.blueapron.blueapron.release",
    track: "rollout"
  )
  metadata_dir="blueapron-release/en-US/changelogs"
  sh("cp #{metadata_dir}/CURRENT_VERSION.txt #{metadata_dir}/#{versions[0]}.txt")

  # Create a new branch and upload a PR for it.
  sh("git checkout master; git pull")
  sh("git checkout -b release_notes_#{versions[0]}")
  sh("git add #{metadata_dir}; git commit -m '#{versions[0]} release notes'")
  sh("hub pull-request -p -m '#{versions[0]} release notes\n\nUpdating the release notes for release #{versions[0]}'") 
end