Last Time Machine Backup

get-time-machine-latest.sh

#!/bin/bash

# @file get-time-machine-latest.sh
# @brief Last Time Machine Backup
# @category Operating system
# @type Date
# @revision
# @uploaded

if [ -f '/var/db/.AppleSetupDone' ]; then
  backupDate=$(date -j -r /var/db/.AppleSetupDone +"%Y-%m-%d %H:%M:%S")
else
  backupDate="2001-03-24 00:00:00"
fi

isBackupEnabled=$(/usr/bin/defaults read /Library/Preferences/com.apple.TimeMachine AutoBackup 2>&1 | grep -v "does not exist" | grep -v "defaults\[")
if [ "${isBackupEnabled}" -eq "1" ]; then
  tryDate=$(tmutil latestbackup | awk -F "/" -F'/' '{print $NF}' | cut -d"." -f1)
  if [ -n "${tryDate}" ] && [ "${tryDate}" != "Unable to locate machine directory for host" ] && [ "${tryDate}" != "Failed to mount backup destination, error: Error Domain=com" ]; then
    backupDate=$(date -j -f "%Y-%m-%d-%H%M%S" "${tryDate}" +"%Y-%m-%d %H:%M:%S")
  elif [ -f "/Library/Preferences/com.apple.TimeMachine.plist" ]; then
    lastDate=$(defaults read /Library/Preferences/com.apple.TimeMachine.plist Destinations 2> /dev/null | awk '/SnapshotDates/,/;/' | tail -n 2 | head -n 1 | awk '{$1=$1};1' | sed 's/\"//' | sed 's/\"//')
    if [ -n "$lastDate" ]; then
      backupDate=$(date -j -f "%Y-%m-%d %H:%M:%S %z" "$lastDate" "+%Y-%m-%d %H:%M:%S")
    fi
  fi
fi

echo "<result>${backupDate}</result>"
exit 0