Check for updated for Casks.

brewcaskupdate

#!/usr/bin/env bash
#
# Check for updated for Casks.
#

CMDNAME=`basename $0`

update_mark=""

function usage()
{
  cat << EOF
Check for updated for Casks.
usage : $CMDNAME [option]
   -a : displays apps that do not have an update,
        for that there is an update I will display the ( * )
   -b : do not show if the app has been removed
   -c : cask updates are not checked
   -u : upgrade the app there is updates
   -h : show usage
EOF
}

while getopts abchu OPT
do
  case $OPT in
    a) SHOW_ALL_APPS=0
       update_mark=" (*)"
       ;;
    b) NOT_SHOW_REMOVE_APPS=0
       ;;
    c) NOT_CHECKED_CASK_UPDATES=0
       ;;
    u) UPGRADE=0
       ;;
    h|*) usage
       exit 1
       ;;
  esac
done

if [[ $NOT_CHECKED_CASK_UPDATES ]]; then
  echo "Skip checking for Homebrew updates."
  echo ""
else
  echo "Checking for casks (include Homebrews) updates..."
  echo ""
  brew update
  echo ""
fi

upgrade_apps=()
no_artifact_apps=()

if [[ $UPGRADE ]]; then
  echo "Upgrading the casks..."
  echo ""
else
  echo "==> Updated Cask"
fi

while read line
do
  if [[ $line =~ \(!\)$ ]]; then
    if [[ ! $NOT_SHOW_REMOVE_APPS ]]; then
      echo "$line"
      no_artifact_apps+=("$line")
    fi
    continue
  fi

  info=$(brew cask info $line)
  # echo $info
  current_ver=$(echo $info | awk -F " " '{print $2}')
  # echo $current_ver
  latest_ver=$(echo $info | awk -F " " '{print $4}' | awk -F "/" '{print $(NF)}')
  # echo $latest_ver

  # echo "$line - $current_ver : $latest_ver"

  # if echo $info | grep -q "Not installed"; then
  if [[ $current_ver != $latest_ver ]]; then
    echo "$line - $current_ver : $latest_ver"
    if [[ $UPGRADE ]]; then
      echo "Upgrade $line ..."
      brew cask install $line --force
      upgrade_apps+=("$line")
    else
      echo "$line$UPDATE_MARK"
    fi
  else
    if [[ $SHOW_ALL_APPS ]]; then echo "$line"; fi
  fi
done < <(brew cask list -1)

if [[ $UPGRADE ]]; then
  echo ""
  echo "==> Upgraded Cask"
  echo ""

  for app in "${upgrade_apps[@]}"
  do
    echo $app
  done

  echo ""
  echo "==> No cask applications"
  echo ""

  for app in "${no_artifact_apps[@]}"
  do
    echo $app
  done

  brew cask cleanup
fi