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writeimage.sh: add support for decompressing xz images

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This commit is contained in:
Calin Crisan 2018-02-22 20:46:41 +02:00
parent be9ab1979b
commit 6911636e0e
1 changed files with 16 additions and 3 deletions
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19
writeimage.sh
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@ -20,7 +20,7 @@ fi
if [[ $(id -u) -ne 0 ]]; then echo "please run as root"; exit 1; fi
function msg() {
echo ":: $1"
echo " * $1"
}
while getopts "a:d:f:h:i:lm:n:o:p:s:w" o; do
@ -76,12 +76,25 @@ if ! [ -f $DISK_IMG ]; then
exit 1
fi
gunzip=$(which unpigz 2> /dev/null || which gunzip 2> /dev/null)
gunzip=$(which unpigz 2> /dev/null || which gunzip 2> /dev/null || true)
unxz=$(which unxz 2> /dev/null || true)
if [[ $DISK_IMG == *.gz ]]; then
msg "decompressing the gzipped image"
if [ -z "$gunzip" ]; then
msg "make sure you have the gzip package installed"
exit 1
fi
msg "decompressing the .gz compressed image"
$gunzip -c $DISK_IMG > ${DISK_IMG%???}
DISK_IMG=${DISK_IMG%???}
elif [[ $DISK_IMG == *.xz ]]; then
if [ -z "$unxz" ]; then
msg "make sure you have the xz package installed"
exit 1
fi
msg "decompressing the .xz compressed image"
$unxz -T 0 -c $DISK_IMG > ${DISK_IMG%???}
DISK_IMG=${DISK_IMG%???}
fi
umount ${SDCARD_DEV}* 2>/dev/null || true