kakoune-state-save.kak

declare-option -hidden int last_state_save_history_id 0

declare-option str state_save_path %sh{
    echo ${XDG_DATA_HOME:-~/.local/share/}/kak/state-save/
}

define-command \
    -docstring "Save the current selection state for this file" \
    state-save \
%{ evaluate-commands %sh{
    mkdir -p "$kak_opt_state_save_path"
    state_file=$(printf "%s" "$kak_buffile" | sed -e 's|_|__|g' -e 's|/|_-|g')
    echo "echo -debug saving state for $kak_buffile to $state_file: $kak_selections_desc"
    printf "%s\n" "$kak_selections_desc" \
        > "$kak_opt_state_save_path"/"$state_file"
}}

hook global WinCreate .* %{
    set-option window last_state_save_history_id %val{history_id}

    evaluate-commands %sh{
    state_file=$(printf "%s" "$kak_buffile" | sed -e 's|_|__|g' -e 's|/|_-|g')
    echo "echo -debug loading state for $kak_buffile from $state_file"
    if [ -f "$kak_opt_state_save_path"/"$state_file" ]; then
        printf "echo -debug select "
        head -n 1 "$kak_opt_state_save_path"/"$state_file"
        printf "select "
        head -n 1 "$kak_opt_state_save_path"/"$state_file"
    fi
    }

    hook window BufWritePost .* %{
        set-option window last_state_save_history_id %val{history_id}
    }

    hook window NormalIdle .* %{ evaluate-commands %sh{
        echo "echo -debug current history id: $kak_history_id"
        echo "echo -debug last saved history id: $kak_opt_last_state_save_history_id"
        if [ $kak_history_id = $kak_opt_last_state_save_history_id ]; then
            printf "%s\n" "state-save"
        fi
    }}
}