Kitto Updater Script (for version >= 0.5.1)

kitto_updater.sh

main() {
  set -e

  github_base_url=https://raw.githubusercontent.com/kittoframework/kitto/master

  print_banner
  ask_continue

  update_configs
  update_widgets

  echo "Updating: application.js"

  local url="$github_base_url/installer/templates/new/assets/javascripts/application.js"
  curl -# $url > "assets/javascripts/application.js"

  remove_obsolete_files

  print_outro
}

print_banner() {
  cat <<EOF
  ╔═══════════════╗
  ║ Kitto Updater ║
  ╚═══════════════╝
  ╔═════════════════════════════════════════════════════════════════════════════════════╗
  ║                                                                                     ║
  ║ Your assets and configs will be updated to use Kitto version >= v0.5.1              ║
  ║                                                                                     ║
  ║ Please backup your sources or use version control, since files will be overwritten  ║
  ║ or removed.                                                                         ║
  ║                                                                                     ║
  ╚═════════════════════════════════════════════════════════════════════════════════════╝
EOF
}

ask_continue() {
  cat <<EOF
  ╔══════════════════════════════════════════╗
  ║ Are you sure you wish to continue? (y/n) ║
  ╚══════════════════════════════════════════╝
EOF

  read answer
  if echo "$answer" | grep -iq "^y" ;then
      echo Yes
  else
      echo No
      exit 1
  fi
}

print_outro() {
  echo "Update has been completed." \
  "Make sure to run \`npm install\` to fetch the packaged Kitto JavaScript library."
}

update_configs() {
  echo "Updating: package.json"

  mix run --no-start --eval '
  old_config = File.read!("package.json") |> Poison.decode!
  new_config = put_in(old_config["dependencies"]["kitto"], "file:deps/kitto")

  case File.write("package.json", new_config |> Poison.encode!(pretty: true)) do
    :ok -> :nop
    {:error, reason} ->
      IO.puts(:stderr, "[#{reason}] Could not write file: package.json")
  end
  '
}

update_widgets() {
  local widgets="
    clock
    graph
    image
    list
    meter
    number
    text
  "

  for widget in $widgets
  do
    echo "Updating: $widget"

    install -d widgets/$widget
    local url="$github_base_url/installer/templates/new/widgets/$widget/$widget.js"

    curl -# $url > "widgets/$widget/$widget.js"
  done
}

remove_obsolete_files() {
  local obsolete_files="widget.js helpers.js"

  for file in $obsolete_files
  do
    echo "Removing Obsolete: assets/javascripts/$file"

    rm -f "assets/javascripts/$file"
  done
}

main