installation/install.sh: Set the default boot option number (bootnum) to 100.

installation/install.sh

@@ -42,6 +42,7 @@ root_partition_type="Linux filesystem"
 efi_partition_type="EFI System"
 TARGET_EFI_PARTITION=$(get_partition_path "$efi_partition_type")
 ROOT_PARTITION_ID=$(get_partition_id "$root_partition_type")
+default_boot_num=100
 
 # Install the module
 cd dracut.module
@@ -56,7 +57,7 @@ sed "s|%PROJECT_DIR%|${PROJECT_DIR}|g;s|%ROOT_PARTITION_ID%|${ROOT_PARTITION_ID}
 cd -
 
 # TMP: Delete bootnum 0 so that there is only one boot option for an image created by this script
-efibootmgr -b 0 -B || true
+efibootmgr -b "$default_boot_num" -B || true
 
 # Create an initramfs image
 rm -f $dracut_output_file
@@ -69,6 +70,6 @@ mkdir -p $TARGET_EFI_DIR
 cp -rv $SOURCE_EFI_DIR/* $TARGET_EFI_DIR
 
 # Set the image as a boot option
-efibootmgr --create --disk $TARGET_EFI_PARTITION --label "test_deploy" --loader $TARGET_IMAGE_DIR/$uefi_image_name
+efibootmgr -b "$default_boot_num" --create --disk $TARGET_EFI_PARTITION --label "test_deploy" --loader $TARGET_IMAGE_DIR/$uefi_image_name
 
 echo "New initramfs image: "$TARGET_IMAGE_DIR/$uefi_image_name