#
# Track directory.
#

vterm_printf()
{
    if [ -n "$TMUX" ]; then
        # Tell tmux to pass the escape sequences through
        # (Source: http://permalink.gmane.org/gmane.comp.terminal-emulators.tmux.user/1324)
        printf "\ePtmux;\e\e]%s\007\e\\" "$1"
    elif [ "${TERM%%-*}" = "screen" ]; then
        # GNU screen (screen, screen-256color, screen-256color-bce)
        printf "\eP\e]%s\007\e\\" "$1"
    else
        printf "\e]%s\e\\" "$1"
    fi
}

vterm_prompt_end()
{
    vterm_printf "51;A$(whoami)@$(hostname):$(pwd)"
}

PS1=$PS1'\[$(vterm_prompt_end)\]'
export PS1

#
# Evaluate Emacs commands.
#

vterm_cmd()
{
    if [ -n "$TMUX" ]; then
        # tell tmux to pass the escape sequences through
        # (Source: http://permalink.gmane.org/gmane.comp.terminal-emulators.tmux.user/1324)
        printf "\ePtmux;\e\e]51;E"
    elif [ "${TERM%%-*}" = "screen" ]; then
        # GNU screen (screen, screen-256color, screen-256color-bce)
        printf "\eP\e]51;E"
    else
        printf "\e]51;E"
    fi

    printf "\e]51;E"
    local r
    while [[ $# -gt 0 ]]; do
        r="${1//\\/\\\\}"
        r="${r//\"/\\\"}"
        printf '"%s" ' "$r"
        shift
    done
    if [ -n "$TMUX" ]; then
        # tell tmux to pass the escape sequences through
        # (Source: http://permalink.gmane.org/gmane.comp.terminal-emulators.tmux.user/1324)
        printf "\007\e\\"
    elif [ "${TERM%%-*}" = "screen" ]; then
        # GNU screen (screen, screen-256color, screen-256color-bce)
        printf "\007\e\\"
    else
        printf "\e\\"
    fi
}

find-file()
{
    vterm_cmd find-file "$(realpath "$@")"
}

find-file-below()
{
    vterm_cmd find-file-below "$(realpath "$@")"
}