dotfiles/zsh/preserve-cwd-ssh.zsh

if [ "$PRESERVE_SSH_CWD" = "true" ]; then

    # Ensure the directory where we store terminal cwds and ssh exists
    mkdir -p $HOME/.config/terminalscwd/

    # Alias for cd: when we change directory, we write the new cwd in the file corresponding to the terminal uuid
    cd() {
        builtin cd "$1"
        pwd > $HOME/.config/terminalscwd/$TERMINAL_UUID.cwd
    }

    # Alias for ssh: when we ssh somewhere, we write it so that we know we should ssh when cloning terminal
    ssh() {
        echo $1 > $HOME/.config/terminalscwd/$TERMINAL_UUID.ssh
        /usr/bin/ssh $@
        rm $HOME/.config/terminalscwd/$TERMINAL_UUID.ssh
        pwd > $HOME/.config/terminalscwd/$TERMINAL_UUID.cwd
    }

    # If terminal uuid does not exit
    if [ -z $TERMINAL_UUID ]; then

        # Generate one
        export TERMINAL_UUID=$(uuidgen)
    fi

    # Copy state for new terminal
    if [ ! -z $PARENT_TERMINAL ]; then
        if [ -f $HOME/.config/terminalscwd/$PARENT_TERMINAL.cwd ]; then
            cp $HOME/.config/terminalscwd/$PARENT_TERMINAL.cwd $HOME/.config/terminalscwd/$TERMINAL_UUID.cwd
        fi

        if [ -f $HOME/.config/terminalscwd/$PARENT_TERMINAL.ssh ]; then
            cp $HOME/.config/terminalscwd/$PARENT_TERMINAL.ssh $HOME/.config/terminalscwd/$TERMINAL_UUID.ssh
        fi
    fi

    # When we're done, delete the uuid files
    preserve_ssh_cleanup() {
        rm -rf $HOME/.config/terminalscwd/$TERMINAL_UUID.cwd
        rm -rf $HOME/.config/terminalscwd/$TERMINAL_UUID.ssh
    }

    trap preserve_ssh_cleanup EXIT

    # If there already is a file corresponding to the current uuid
    if [ -f  $HOME/.config/terminalscwd/$TERMINAL_UUID.cwd ]; then

        # Go the the right directory
        cd "$(cat $HOME/.config/terminalscwd/$TERMINAL_UUID.cwd)"

    else

        # Use our custom alias to go to home, and set the file cwd
        cd

    fi

    # If we're running in an ssh session
    if [ -f $HOME/.config/terminalscwd/$TERMINAL_UUID.ssh ]; then

        # Run the ssh command, and exec shell in the end so the terminal doesn't exit at end of ssh
        ssh $(cat $HOME/.config/terminalscwd/$TERMINAL_UUID.ssh)

    fi


fi