Add safeties to backup script.

bin/backup.sh

@@ -19,13 +19,15 @@ time="`which time`"
 ## Main ##
 
 # Ensure backup directory exists with correct permissions.
-mkdir -pv $BACKUP_DIR
-chmod -Rv 755 $BACKUP_DIR
-chown -Rv root:root $BACKUP_DIR
+mkdir -pv "$BACKUP_DIR"
+chmod -Rv 755 "$BACKUP_DIR"
+chown -Rv root:root "$BACKUP_DIR"
+cd "$BACKUP_DIR"
 
 # Remove the last backup.
 echo "`date` - Removing existing files."
-rm -fv "$BASENAME"*"$TAG"*
+mv -v "$BASENAME"*"$TAG"* ~/TRASH/
+rm -v ~/TRASH/"${BASENAME}*${TAG}*.zip"
 
 echo -e "\n`date` - Take down services for a cold backup."
 manage.sh -d