Script to backup macOS home folder

macOSuserbackup

#!/bin/bash
# Designed to be run inside the user environment to create a sparse bundle image which contains parity and checksums
# Band size is 256MB
# variables
CONSOLEUSER="$(stat -f %Su /dev/console)" || { echo "`date`: Failed to get username correctly. Exiting"; exit 1; }
# stash and eject previous image if exists
if [ -d "/Volumes/$CONSOLEUSER.sparsebundle" ]; then
  /usr/bin/hdiutil eject "/Volumes/$CONSOLEUSER.sparsebundle" || { echo "`date`: Failed to unmount previous image. Try again"; exit 1; }
  sleep 10
fi
if [ -d "/tmp/$CONSOLEUSER.sparsebundle" ]; then
  mv "/tmp/$CONSOLEUSER.sparsebundle" "/tmp/$CONSOLEUSER.previous`date +%s`.sparsebundle" || { echo "`date`: Failed to rename previous image. Exiting"; exit 1; }
fi
# create sparse image
/usr/bin/hdiutil create -o "/tmp/$CONSOLEUSER.sparsebundle" -srcfolder "/Users/$CONSOLEUSER/" -layout SPUD -imagekey sparse-band-size=514288 -size 512g -fs HFS+J -format UDSB -volname "$CONSOLEUSER.sparsebundle" -attach  || { echo "`date`: Failed to create image. Exiting"; exit 1; }
#Remove things that do not need to be backed up
if [ -d "/Volumes/$CONSOLEUSER.sparsebundle" ]; then
  if [ -d "/Volumes/$CONSOLEUSER.sparsebundle/.Trash" ]; then
    rm -rf "/Volumes/$CONSOLEUSER.sparsebundle/.Trash"
  fi
  if [ -d "/Volumes/$CONSOLEUSER.sparsebundle/Library/Caches" ]; then
    rm -rf "/Volumes/$CONSOLEUSER.sparsebundle/Library/Caches"
  fi
else
  echo "`date`: Image failed to mount"
  exit 1
fi
# compact free space
/usr/bin/hdiutil eject "/Volumes/$CONSOLEUSER.sparsebundle"&&sleep 10&&/usr/bin/hdiutil compact "/tmp/$CONSOLEUSER.sparsebundle" || { echo "`date`: Disk failure. Please try again..."; exit 1; }
# notify of completion
/usr/bin/open "/tmp"&&echo -ne '\007'&&echo -ne '\007'&&echo -ne '\007'
echo "Completed image /tmp/$CONSOLEUSER.sparsebundle is ready to be copied to IT Team folder > Employees > Ex-Employee > [name]"