archiso/initcpio/hooks/archiso

@@ -14,7 +14,7 @@ _mnt_dmsnapshot() {
 
     ro_dev="$(losetup --find --show --read-only -- "${img}")"
     echo "${ro_dev}" >> /run/archiso/used_block_devices
-    ro_dev_size="$(blockdev --getsz -- "${ro_dev}")"
+    ro_dev_size="$(blockdev --getsz "${ro_dev}")"
 
     if [ "${cow_persistent}" = "P" ]; then
         if [ -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" ]; then

archiso/mkarchiso

@@ -309,6 +309,7 @@ command_iso () {
         xorriso -as mkisofs -quiet \
             -iso-level 3 \
             -full-iso9660-filenames \
+            -rational-rock \
             -volid "${iso_label}" \
             -appid "${iso_application}" \
             -publisher "${iso_publisher}" \
@@ -324,6 +325,7 @@ command_iso () {
         xorriso -as mkisofs \
             -iso-level 3 \
             -full-iso9660-filenames \
+            -rational-rock \
             -volid "${iso_label}" \
             -appid "${iso_application}" \
             -publisher "${iso_publisher}" \