random-scripts/system-menu/system-sleep-menu.sh

#!/usr/bin/env zsh

local CACHE_PATH="${HOME}/.cache/system-sleep-menu"

pgrep swayidle >/dev/null 2>&1 \
    && swayidle_state="Enabled" \
    || swayidle_state="Disabled"

choice="$(fuzzel --index -d -p "Cur: ${swayidle_state} > " <<'EOF'
Enable
Disable
EOF
)"

(( ${?} != 0 )) && exit

case "${choice}" in
    0)
        if [[ "${swayidle_state}" == 'Disabled' ]]; then
            local cmd_cache=(${(0)"$(<"${CACHE_PATH}")"})
            (
                set -x
                cd "${cmd_cache[1]}"
                eval "${cmd_cache[2]}" &
            )
        fi
        ;;
    1)
        pgrep_output=(${(ps: :)"$(pgrep -fa swayidle)"})
        if [[ "${swayidle_state}" = 'Enabled' ]]; then
            local si_pid="${pgrep_output[1]}"
            local si_pwd="$(readlink "/proc/${si_pid}/cwd")"
            local si_cmd="${pgrep_output:1}"
            printf '%s\0%s' "${si_pwd}" "${si_cmd}" >"${CACHE_PATH}"
            pkill swayidle
        fi
        ;;
esac