From a22803b46499d54c154e32c27f1a5ce7a55c1eea Mon Sep 17 00:00:00 2001
From: Brian Woods
Date: Tue, 12 May 2020 15:42:11 -0700
Subject: Increase file compatibility for DTBs

In some distros (like RHEL 6 and 7), file identifies the device tree
blobs (DTBs) as "data".  To make imagebuilder work on these older
distros, change it where DTBs are correctly identified as "Device Tree
Blob" or "data".

Signed-off-by: Brian Woods <brian.woods@xilinx.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
---
 scripts/uboot-script-gen | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scripts/uboot-script-gen b/scripts/uboot-script-gen
index 070247b..167e980 100644
--- a/scripts/uboot-script-gen
+++ b/scripts/uboot-script-gen
@@ -136,6 +136,11 @@ function check_file_type()
     if [ "$type" = "executable" ]
     then
         type="executable\|data"
+    # file in older distros (ex: RHEL 7.4) just output data for device
+    # tree blobs
+    elif [ "$type" = "Device Tree Blob" ]
+    then
+        type="Device Tree Blob\|data"
     fi
 
     file -L $filename | grep "$type" &> /dev/null
-- 
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