From a758e59d462d9ca2c00c79b9f52b7dce52fd0e1c Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Mon, 3 Jul 2023 13:13:54 +0200
Subject: [PATCH] fix: Fallback to truncate if allocate fails

---
 run/disk.sh | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/run/disk.sh b/run/disk.sh
index 53403df..6d5ef85 100644
--- a/run/disk.sh
+++ b/run/disk.sh
@@ -26,7 +26,9 @@ if [ -f "${DATA}" ]; then
     if [[ "${ALLOCATE}" == [Nn]* ]]; then
 
       # Resize file by changing its length
-      truncate -s "${DATA_SIZE}" "${DATA}"; 
+      if ! truncate -s "${DATA_SIZE}" "${DATA}"; then
+        error "Could not resize the file for the data disk." && exit 85
+      fi
 
     else
 
@@ -42,7 +44,9 @@ if [ -f "${DATA}" ]; then
 
       # Resize file by allocating more space
       if ! fallocate -l "${DATA_SIZE}" "${DATA}"; then
-        error "Could not allocate a file for the data disk." && exit 85
+        if ! truncate -s "${DATA_SIZE}" "${DATA}"; then
+          error "Could not resize the file for the data disk." && exit 85
+        fi
       fi
 
       if [[ "${ALLOCATE}" == [Zz]* ]]; then
@@ -71,7 +75,10 @@ if [ ! -f "${DATA}" ]; then
   if [[ "${ALLOCATE}" == [Nn]* ]]; then
 
     # Create an empty file
-    truncate -s "${DATA_SIZE}" "${DATA}"
+    if ! truncate -s "${DATA_SIZE}" "${DATA}"; then
+      rm -f "${DATA}"
+      error "Could not create a file for the data disk." && exit 87
+    fi
 
   else
 
@@ -85,8 +92,10 @@ if [ ! -f "${DATA}" ]; then
 
     # Create an empty file
     if ! fallocate -l "${DATA_SIZE}" "${DATA}"; then
-      rm -f "${DATA}"
-      error "Could not allocate a file for the data disk." && exit 87
+      if ! truncate -s "${DATA_SIZE}" "${DATA}"; then
+        rm -f "${DATA}"
+        error "Could not create a file for the data disk." && exit 87
+      fi
     fi
 
     if [[ "${ALLOCATE}" == [Zz]* ]]; then