discharge-and-shutdown.sh hinzugefügt

discharge-and-shutdown.sh

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+#!/bin/bash
+
+# Battery Calibration Script
+# This script monitors battery level and shuts down when it reaches below 6%
+# It keeps the system awake during the process
+
+# Check if script is run with sudo
+if [ "$EUID" -ne 0 ]; then
+  echo "This script must be run as root (sudo)."
+  exit 1
+fi
+
+# Function to get battery percentage
+get_battery_percentage() {
+  local percentage
+  percentage=$(system_profiler SPPowerDataType | grep "State of Charge (%)" | awk '{print $5}')
+  echo "$percentage"
+}
+
+# Function to check if charging
+is_charging() {
+  local charging
+  charging=$(system_profiler SPPowerDataType | grep -A 1 "Charging:" | tail -1 | awk '{print $2}')
+  if [ "$charging" == "Yes" ]; then
+    return 0  # true
+  else
+    return 1  # false
+  fi
+}
+
+# Function to keep system awake - using caffeinate
+keep_awake() {
+  # Start caffeinate in background to prevent sleep
+  # -d prevents display sleep, -i prevents idle sleep
+  caffeinate -d -i &
+  echo $! > /tmp/caffeinate_pid
+}
+
+# Function to stop keeping system awake
+stop_awake() {
+  if [ -f /tmp/caffeinate_pid ]; then
+    kill $(cat /tmp/caffeinate_pid) 2>/dev/null
+    rm /tmp/caffeinate_pid
+  fi
+}
+
+# Clean up on script exit
+cleanup() {
+  stop_awake
+  echo "Script terminated. System may now sleep normally."
+  exit 0
+}
+
+# Set up trap for clean exit
+trap cleanup SIGINT SIGTERM EXIT
+
+# Print instructions
+echo "====== Battery Calibration Tool ======"
+echo "This tool will help you calibrate your battery by:"
+echo "1. Monitoring battery level until it reaches ~5%"
+echo "2. Shutting down the system automatically"
+echo "3. After shutdown, charge to 100% and run this script again"
+echo "4. Repeat 3 times for complete calibration"
+echo ""
+echo "Your system will be kept awake during this process."
+echo "Press Ctrl+C to exit the script at any time."
+echo "======================================="
+
+# Start keeping system awake
+keep_awake
+echo "System will be kept awake until battery reaches ~5%."
+
+# Initial variables
+current_cycle=0
+max_cycles=3
+battery_percentage=$(get_battery_percentage)
+
+echo "Starting battery percentage: $battery_percentage%"
+echo "Monitoring battery level. This window must remain open."
+
+# Main loop to monitor battery level
+while true; do
+  battery_percentage=$(get_battery_percentage)
+  charging_status=$(is_charging && echo "Yes" || echo "No")
+  
+  clear
+  echo "====== Battery Calibration Tool ======"
+  echo "Current battery level: $battery_percentage%"
+  echo "Charging: $charging_status"
+  echo "Target level for shutdown: <6%"
+  echo "Calibration cycle: $((current_cycle + 1))/$max_cycles"
+  echo "======================================="
+  
+  # Check if battery is below threshold
+  if [ "$battery_percentage" -lt 6 ]; then
+    echo "Battery level below 6%. System will shut down in 1 minute."
+    echo "After reboot, charge to 100% before running this script again."
+    
+    # Increment cycle count in a persistent file
+    current_cycle=$((current_cycle + 1))
+    echo "$current_cycle" > /tmp/battery_calibration_cycle
+    
+    # Clean up and prepare for shutdown
+    stop_awake
+    
+    # Shutdown with 1 minute delay
+    shutdown -h +1
+    
+    echo "Shutdown scheduled. You can cancel with: sudo shutdown -c"
+    exit 0
+  fi
+  
+  # Wait 60 seconds before checking again
+  sleep 60
+done