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x86: search PARTUUID in any block device

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Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2016-03-30 03:19:23 +02:00
parent 9f422eba7c
commit 924fb794bd
1 changed files with 2 additions and 1 deletions
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3
target/linux/x86/base-files/lib/upgrade/platform.sh
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@ -17,7 +17,8 @@ platform_export_bootpart() {
PARTUUID=[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9]-02) PARTUUID=[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9]-02)
uuid="${disk#PARTUUID=}" uuid="${disk#PARTUUID=}"
uuid="${uuid%-02}" uuid="${uuid%-02}"
for disk in /dev/[hsv]d[a-z] /dev/xvd[a-z]; do for disk in /dev/*; do
[ -b "$disk" ] || continue
set -- $(dd if=$disk bs=1 skip=440 count=4 2>/dev/null | hexdump -v -e '4/1 "%02x "') set -- $(dd if=$disk bs=1 skip=440 count=4 2>/dev/null | hexdump -v -e '4/1 "%02x "')
if [ "$4$3$2$1" = "$uuid" ]; then if [ "$4$3$2$1" = "$uuid" ]; then
export BOOTPART="${disk}1" export BOOTPART="${disk}1"