No Sleep Sudo Util for macOS

nosleep

#!/bin/zsh

set -euo pipefail

SCRIPT_NAME="$(basename "$0")"

usage() {
    cat <<EOF
Usage:
  sudo $SCRIPT_NAME start
  sudo $SCRIPT_NAME stop
  $SCRIPT_NAME status
EOF
}

require_root() {
    if [[ "${EUID}" -ne 0 ]]; then
        echo "Please run with sudo:"
        echo "  sudo $SCRIPT_NAME $1"
        exit 1
    fi
}

status() {
    pmset -g | awk '
        tolower($1) == "sleepdisabled" || tolower($1) == "disablesleep" {
            print "SleepDisabled = " $2
            found = 1
        }
        END {
            if (!found) {
                print "SleepDisabled setting not found in pmset output." > "/dev/stderr"
                exit 1
            }
        }
    '
}

start() {
    require_root start
    pmset disablesleep 1
    echo "Closed-lid sleep disabled."
    status
}

stop() {
    require_root stop
    pmset disablesleep 0
    echo "Normal sleep restored."
    status
}

case "${1:-}" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    status)
        status
        ;;
    *)
        usage
        exit 1
        ;;
esac