sonic-buildimage/files/initramfs-tools/ssd-upgrade

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#!/bin/sh
case $1 in
prereqs)
exit 0
;;
esac
# Extract kernel parameters
set -- $(cat /proc/cmdline)
for x in "$@"; do
case "$x" in
ssd-upgrader-part=*)
ssd_upgrader_part="${x#ssd-upgrader-part=}"
;;
esac
done
if [ ! -z "$ssd_upgrader_part" ]; then
echo "ssd-upgrader-part found in /proc/cmdline" > /tmp/ssd-fw-upgrade.log
mkdir -p /mnt/ssd_upgrader_part
mount -t "${ssd_upgrader_part#*,}" "${ssd_upgrader_part%,*}" /mnt/ssd_upgrader_part
if [ -x /mnt/ssd_upgrader_part/ssd-fw-upgrade ]; then
cp /mnt/ssd_upgrader_part/ssd-fw-upgrade /tmp/
cd /tmp/
umount /mnt/ssd_upgrader_part
rm -r /mnt/ssd_upgrader_part
./ssd-fw-upgrade >> /tmp/ssd-fw-upgrade.log 2>&1
else
echo "ssd-fw-upgrade not found" >> /tmp/ssd-fw-upgrade.log
umount /mnt/ssd_upgrader_part
rm -r /mnt/ssd_upgrader_part
fi
gzip /tmp/ssd-fw-upgrade.log
fi