function _tide_cache_variables
    # pwd
    set_color -o $tide_pwd_color_anchors | read -gx _tide_color_anchors
    set -gx _tide_color_truncated_dirs "$(set_color $tide_pwd_color_truncated_dirs)"
    set -gx _tide_reset_to_color_dirs (set_color normal -b $tide_pwd_bg_color; set_color $tide_pwd_color_dirs)

    # git
    contains git $tide_left_prompt_items $tide_right_prompt_items &&
        set -gx _tide_location_color "$(set_color $tide_git_color_branch)"

    # private_mode
    if contains private_mode $tide_left_prompt_items $tide_right_prompt_items && test -n "$fish_private_mode"
        set -gx _tide_private_mode
    else
        set -e _tide_private_mode
    end

    # Same-color-separator color
    set -gx _tide_color_separator_same_color "$(set_color $tide_prompt_color_separator_same_color)"

    # two line prompt
    if contains newline $tide_left_prompt_items
        set_color $tide_prompt_color_frame_and_connection -b normal | read -gx _tide_prompt_and_frame_color
    else
        set -e _tide_prompt_and_frame_color
    end

    # newline before
    test "$tide_prompt_add_newline_before" = true && set -g _tide_add_newline '' || set -e _tide_add_newline

    # item padding
    test "$tide_prompt_pad_items" = true && set -gx _tide_pad ' ' || set -e _tide_pad
end