+# Use fixed disk identifiers for Virtual Machine builds.
+# Useful for reproducible builds.
+# Default: 'yes'
+# FIXED_DISK_IDENTIFIERS='no'
+
+# Disk identifier when using FIXED_DISK_IDENTIFIERS='yes'.
+# Default: '26ada0c0-1165-4098-884d-aafd2220c2c6'
+# DISK_IDENTIFIER='26ada0c0-1165-4098-884d-aafd2220c2c6'
+