Fish function to set current working directoy to Finder window path

finwin.fish

function finwin --description "Set shell working directory to frontmost Finder window path"
    set script "
        tell application \"Finder\"
            if exists Finder window 1 then
                set currentDir to target of Finder window 1 as alias
                return POSIX path of currentDir
            else
                return
            end if
        end tell"

    set finder_path (osascript -e $script)
    if [ $finder_path ]
        echo "Changing working directory";
        echo "-> $finder_path"
        cd $finder_path
    else
        echo "You don't have any open Finder windows, sorry."
    end
end