homebrew_backup_and_restore

homebrew_backup_and_restore.sh

#!/bin/bash

# Directory containing cellar packages
cellar_dir="/Volumes/.timemachine/ED216C5A-CEF7-48C8-9196-BAC050C0B070/2024-11-30-192221.backup/2024-11-30-192221.backup/Data/opt/homebrew/Cellar/"

# Initialize a variable to hold the list of packages
package_list=""

# Loop through each subdirectory in the directory
for dir in "$cellar_dir"*/*; do
  #echo "Checking $dir"
  if [ -d "$dir" ]; then
    json_file="$dir/INSTALL_RECEIPT.json"
    if [ -f "$json_file" ]; then
      # Check if "installed_as_dependency" is false
      installed_as_dependency=$(jq '.installed_as_dependency' "$json_file")
      if [ "$installed_as_dependency" = false ]; then
        package_name=$(basename "$(dirname "$dir")")
        echo "Package: $package_name"
        # Append the package name to the list
        package_list+="$package_name\n"
      fi
    fi
  fi
done


# Output the list of packages
echo -e "$package_list" > "$HOME/reinstall_packages.txt"
echo "Package list saved to reinstall_packages.txt"