Mac encrypted backup

backup.sh

#!/bin/bash

if [ ! $(which 7za) ]; then echo "Install 7z: brew install p7zip"; return 1; fi

BACKUP_NAME="macbook-pro-home-backup.7z"
USER=$(whoami)

BACKUP_PATHS=(
  "/Users/$USER/Google Drive/Backup/"
)

echo "Preparing backup of /Users/$USER..."

7za a -p -mhe=on /tmp/$BACKUP_NAME /Users/$USER "-xr!.cache" "-xr!.Trash" "-xr!Library" "-xr!$BACKUP_NAME"

if [ ! -s /tmp/$BACKUP_NAME ]; then
  echo "Backup failed, exiting."
  rm -f /tmp/$BACKUP_NAME
  return 1
fi

for path in "${BACKUP_PATHS[@]}"; do
  echo "Moving /tmp/$BACKUP_NAME to $path..."
  cp -f /tmp/$BACKUP_NAME "$path"
done

rm -i /tmp/$BACKUP_NAME