Big omen laptop migration

bin/backup.sh

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+#!/usr/bin/env bash
+
+# Define the backup directory
+BACKUP_DIR=~/Backup
+
+# Create the backup directory if it doesn't exist
+if [ ! -d "$BACKUP_DIR" ]; then
+    echo "Creating backup directory at $BACKUP_DIR"
+    mkdir -p "$BACKUP_DIR"
+fi
+
+# Define the backup file name with a timestamp
+BACKUP_FILE="$BACKUP_DIR/backup-$(date -d "today" +"%Y%m%d%H%M").tar"
+
+# Define the directories to be backed up
+# Note: ~ is expanded by the shell, so it's used directly here.
+DIRECTORIES_TO_BACKUP=(
+    ~/.gnupg
+    ~/.ssh
+    ~/Documents
+    ~/Pictures
+    ~/org
+    ~/nixos-dotfiles
+    ~/susano-nixos
+    ~/hetzner-nixos
+    ~/.authinfo.gpg
+)
+
+# Create the tar archive, excluding specified folders
+echo "Starting backup..."
+tar --exclude='.direnv' --exclude='.git' --exclude='node_modules' -cf "$BACKUP_FILE" "${DIRECTORIES_TO_BACKUP[@]}"
+
+# Check if the tar command was successful
+if [ $? -eq 0 ]; then
+    echo "Backup successful: $BACKUP_FILE"
+else
+    echo "Backup failed."
+    exit 1
+fi
+
+exit 0