Quote variable for protection

Author: cainejette

share/github-backup-utils/ghe-restore-mysql

@@ -31,7 +31,7 @@ snapshot_dir="$GHE_DATA_DIR/$GHE_RESTORE_SNAPSHOT"
 ssh_config_file_opt=
 if is_binary_backup_feature_on; then
   # Feature "mysql.backup.binary" is on, which means new backup scripts are available
-  if is_binary_backup $snapshot_dir; then
+  if is_binary_backup "$snapshot_dir"; then
     if $CLUSTER ; then
       ghe_mysql_master=$(ghe-ssh "$GHE_HOSTNAME" ghe-config "cluster.mysql-master")
       if [ -z $ghe_mysql_master ]; then
@@ -64,7 +64,7 @@ if is_binary_backup_feature_on; then
   fi
 else
   # We do not allow to restore binary backup without "mysql.backup.binary" set
-  if is_binary_backup $snapshot_dir; then
+  if is_binary_backup "$snapshot_dir"; then
     echo "To restore from a binary backup, you have to set ghe-config \"mysql.backup.binary\" to true" >&2
     exit 2
   else