Check free diskspace

disk.sh

@@ -8,7 +8,14 @@ DISK_SIZE=$(echo "${DISK_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
 DATA_SIZE=$(numfmt --from=iec "${DISK_SIZE}")
 
 DATA="$IMG/data${DISK_SIZE}.img"
-[ ! -f "$DATA" ] && fallocate -l "${DATA_SIZE}" "${DATA}"
+
+if [ ! -f "$DATA" ]; then
+  if ! fallocate -l "${DATA_SIZE}" "${DATA}"; then
+    rm -f "${DATA}"
+    echo "ERROR: Not enough free space to create virtual disk." && exit 82
+  fi
+fi
+
 [ ! -f "$DATA" ] && echo "ERROR: Data image does not exist ($DATA)" && exit 83
 
 KVM_DISK_OPTS="\