Fish Functions to Update Brew Casks

brew_force_update_casks.fish

function brew_force_update_casks --description 'force update casks that are marked as latest'
  set -x _brew_list (brew cask list | grep -Fv '(!)')

  for formula in $_brew_list
    set -x _info_tmp (brew cask info $formula)
    set -x _info (echo $_info_tmp | head -n 3 | grep latest)

    if count $_info > /dev/null
      brew cask reinstall $formula
    end
  end
end

brew_outdated_casks.fish

function brew_outdated_casks --description 'list outdated casks'
  set -x _brew_list (brew cask list | grep -Fv '(!)')

  for formula in $_brew_list
    set -x _info_tmp (brew cask info $formula)
    set -x _info (echo $_info_tmp | head -n 3)

    set -x _new_ver (echo $_info | head -n 1 | cut -d' ' -f 2)
    set -x _cur_ver (echo $_info | cut -d' ' -f 4 | cut -d/ -f 6)

    if test $_new_ver != $_cur_ver
      echo "$formula ($_cur_ver < $_new_ver)"
    end
  end
end

brew_update_casks.fish

function brew_update_casks --description 'update outdated casks'
  set -x _outdated_casks (brew_outdated_casks)
  set -x _outdated_cask_names (echo $_outdated_casks | cut -d'(' -f1 | cut -d' ' -f 1)
  echo "Outdated Casks $_outdated_cask_names"

  for val in $_outdated_cask_names
    if [ $val ]
      brew cask reinstall $val
    end
  end

  brew cask cleanup
end