brew_cask_upgrade.fish

brew_cask_upgrade.fish

function brew_cask_upgrade
	for app in (brew cask list)
		set --local latest (brew cask info $app | awk 'NR==1{print $2}')
		set --local versions (ls -1 "/usr/local/Caskroom/$app/.metadata/")
		set --local current (echo $versions | awk '{print $NF}')

		echo "app: $app"
		echo "latest: $latest"
		echo "versions: $versions"
		echo "current: $current"

		if [ $latest = "latest" ]
			echo "[!] $app: $current == $latest"
			if [ $argv[1] = "-f" ]
				brew cask install "$app" --force
			end
			continue
		else if [ "$current" = "$latest" ]
			continue
		end
		echo "[+] $app: $current -> $latest"
		brew cask uninstall "$app" --force
		brew cask install "$app"
	end
end