[OpenWrt-Devel] [PATCH] scripts/ubinize-image.sh: fix buildbot breakage

[Petr Štetiar]

New Docker based buildslaves install just bare minimum of packages, thus
not having bsdmainutils package installed which provides `hexdump`
utility, leading to the following build breakage on buildbots:

 ubinize-image.sh: 12: /builder/scripts/ubinize-image.sh: hexdump: not found

So this patch simply replaces `hexdump` with `od` utility provided by
coreutils package, which should be likely available.

Signed-off-by: Petr Štetiar <ynezz at true.cz>
---
 scripts/ubinize-image.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/ubinize-image.sh b/scripts/ubinize-image.sh
index 09a00b1898ce..79935bad1db2 100755
--- a/scripts/ubinize-image.sh
+++ b/scripts/ubinize-image.sh
@@ -9,7 +9,7 @@ outfile=""
 err=""
 
 get_magic_word() {
-	dd if=$1 bs=2 count=1 2>/dev/null | hexdump -v -n 2 -e '1/1 "%02x"'
+	dd if=$1 bs=2 count=1 2>/dev/null | od -x | head -1 | cut -d ' ' -f2
 }
 
 is_ubifs() {

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