mac_espresso.sh

#!/bin/bash

# Personal preference here
DEFAULT_SLEEP=10
DEFAULT_DISPLAY_SLEEP=5
DEFAULT_DISK_SLEEP=10

if [ "$1" == "espresso" ]; then
    # Disable sleep on battery and AC power
    sudo pmset -b sleep 0
    sudo pmset -b displaysleep 0
    sudo pmset -b disksleep 0
    sudo pmset -c sleep 0
    sudo pmset -c displaysleep 0
    sudo pmset -c disksleep 0
    sudo pmset -b disablesleep 1
    sudo pmset -c disablesleep 1
    echo "Sleep has been disabled on both battery and AC power."
elif [ "$1" == "sleep" ]; then
    # Reset to default sleep settings on battery and AC power
    sudo pmset -b sleep $DEFAULT_SLEEP
    sudo pmset -b displaysleep $DEFAULT_DISPLAY_SLEEP
    sudo pmset -b disksleep $DEFAULT_DISK_SLEEP
    sudo pmset -c sleep $DEFAULT_SLEEP
    sudo pmset -c displaysleep $DEFAULT_DISPLAY_SLEEP
    sudo pmset -c disksleep $DEFAULT_DISK_SLEEP
    sudo pmset -b disablesleep 0
    sudo pmset -c disablesleep 0
    echo "Sleep settings have been reset to default on both battery and AC power."
else
    echo "Usage: $0 {espresso|sleep}"
    echo "  espresso: Disable sleep on both battery and AC power."
    echo "  sleep: Reset sleep settings to default."
fi

I updated this to avoid warnings on more recent versions of macOS