From 2b5bd67c9fa1135398747a17248f44ffc08e28ac Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Mon, 5 Oct 2015 01:20:00 +0200
Subject: [PATCH] fix MBR size calculation

---
 hashboot | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/hashboot b/hashboot
index c590a15..425ca3f 100755
--- a/hashboot
+++ b/hashboot
@@ -96,7 +96,11 @@ if [ "${sectorsize}" == "=" ] # Older versions of util-linux
 then
     sectorsize=$(LC_ALL=C fdisk -l ${MBR_DEVICE} | grep '^Units' | awk '{print $9}' )
 fi
-startsector=$(LC_ALL=C fdisk -l ${MBR_DEVICE} | grep -A1 'Device' | tail -n1 | awk '{print $3}' )
+startsector=$(LC_ALL=C fdisk -l ${MBR_DEVICE} | grep -A1 'Device' | tail -n1 | awk '{print $2}' )
+if [ "${startsector}" == "*" ] # If partition is marked as boot, read next field
+then
+    startsector=$(LC_ALL=C fdisk -l ${MBR_DEVICE} | grep -A1 'Device' | tail -n1 | awk '{print $3}' )
+fi
 
 MBR_SIZE=$(expr ${sectorsize} \* ${startsector} / 1024)