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writeimage.sh: fix bash unsupported negative offset

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This commit is contained in:
Calin Crisan 2017-10-26 10:04:00 +03:00
parent b8d940c849
commit 8a9e2574b7
1 changed files with 3 additions and 3 deletions
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6
writeimage.sh
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@ -76,12 +76,12 @@ if ! [ -f $DISK_IMG ]; then
exit 1
fi
gunzip=$(which unpigz || which gunzip)
gunzip=$(which unpigz 2> /dev/null || which gunzip 2> /dev/null)
if [[ $DISK_IMG == *.gz ]]; then
msg "decompressing the gzipped image"
$gunzip -c $DISK_IMG > ${DISK_IMG::-3}
DISK_IMG=${DISK_IMG::-3}
$gunzip -c $DISK_IMG > ${DISK_IMG%???}
DISK_IMG=${DISK_IMG%???}
fi
umount ${SDCARD_DEV}* 2>/dev/null || true