From f68611012348b640eaf9a4836d07c2b6bd492aa9 Mon Sep 17 00:00:00 2001
From: Tim <elatllat@gmail.com>
Date: Tue, 1 Sep 2020 09:18:04 -0400
Subject: Update sd_fusing.sh

remove cd requirement, shellcheck
---
 sd_fuse/sd_fusing.sh | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/sd_fuse/sd_fusing.sh b/sd_fuse/sd_fusing.sh
index 451013f119..8698294127 100755
--- a/sd_fuse/sd_fusing.sh
+++ b/sd_fuse/sd_fusing.sh
@@ -7,17 +7,20 @@
 #
 
 abort() {
-	echo $1
+	echo "$1"
 	exit 1
 }
 
-[ -z $1 ] && abort "usage: $0 <your/memory/card/device>"
-[ -z ${UBOOT} ] && UBOOT=${PWD}/u-boot.bin
-[ ! -f ${UBOOT} ] && abort "error: ${UBOOT} is not exist"
+[ -z "$1" ] && abort "usage: $0 <your/memory/card/device>"
+[ -z "$UBOOT" ] && UBOOT="${PWD}/u-boot.bin"
+if [ ! -f "$UBOOT" ] ; then
+	UBOOT="$(echo "$0" | perl -pe 's/[^\/]*$//g')u-boot.bin"
+fi
+[ ! -f "$UBOOT" ] && abort "error: $UBOOT is not exist"
 
-sudo dd if=$UBOOT of=$1 conv=fsync,notrunc bs=512 seek=1
+sudo dd if="$UBOOT" of="$1" conv=fsync,notrunc bs=512 seek=1
 
 sync
 
-sudo eject $1
-echo Finished.
+sudo eject "$1"
+echo "Finished."
-- 
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