Improve install.sh

install.sh

 
+set -e
+
 # This script assumes to be run by the root user (with /sbin in the path).
 
 # Install the module
@@ -24,7 +26,7 @@ TARGET_ROOT_PARTITION=${TARGET_DISK}p2
 e2label $TARGET_ROOT_PARTITION ROOT
 
 # TMP: Delete bootnum 0 so that there is only one boot option for an image created by this script
-efibootmgr -b 0 -B
+efibootmgr -b 0 -B || true
 
 # Create an initramfs image
 dracut -c ./dracut.module/dracut.conf --force