kakoune/share/kak/kakrc

def -params 1 -docstring "colorscheme <name>: enable named colorscheme" \
    -shell-candidates %{
    find -L "${kak_runtime}/colors" "${kak_config}/colors" -type f -name '*\.kak' \
        | while read -r path_colorscheme; do
            basename="${path_colorscheme##*/}"
            printf %s\\n "${basename%.*}"
        done | sort -u
  } \
  colorscheme %{ %sh{
    find_colorscheme() {
        find -L "${1}" -type f -name "${2}\\.kak" | head -n 1
    }

    if [ $# -lt 1 ]; then
        echo "echo -markup '{Error}Usage: colorscheme <scheme name>'"
    else
        path_colorscheme=$(find_colorscheme "${kak_config}/colors" "${1}")
        if [ -z "${path_colorscheme}" ];then
            path_colorscheme=$(find_colorscheme "${kak_runtime}/colors" "${1}")
        fi

        if [ -z "${path_colorscheme}" ]; then
            echo "echo -markup '{Error}No such colorscheme'"
        else
            printf 'source %%{%s}' "${path_colorscheme}"
        fi
    fi
}}

%sh{
    autoload_directory() {
        find -L "$1" -type f -name '*\.kak' \
            -exec printf 'try %%{ source "%s" } catch %%{ echo -debug Autoload: could not load "%s" }\n' '{}' '{}' \;
    }

    echo "colorscheme default"

    if [ -d "${kak_config}/autoload" ]; then
        autoload_directory ${kak_config}/autoload
    elif [ -d "${kak_runtime}/autoload" ]; then
        autoload_directory ${kak_runtime}/autoload
    fi

    if [ -f "${kak_runtime}/kakrc.local" ]; then
        echo "source '${kak_runtime}/kakrc.local'"
    fi

    if [ -f "${kak_config}/kakrc" ]; then
        echo "source '${kak_config}/kakrc'"
    fi
}