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base-files: quote values when evaluating uevent

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When sourcing /sys/class/block/*/uevent values have to be quoted as
they may contain spaces (e.g. in PARTNAME).
Fix this by pre-processing with sed before sourcing.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2018-02-02 01:57:46 +01:00 committed by John Crispin
parent 25a72f5a01
commit da52dd0c83
1 changed files with 2 additions and 3 deletions
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5
package/base-files/files/lib/upgrade/common.sh
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@ -134,8 +134,7 @@ export_bootdevice() {
esac
if [ -e "$uevent" ]; then
. "$uevent"
eval "$(sed "s/=\(.*\)/=\'\1\'/" < "$uevent")"
export BOOTDEV_MAJOR=$MAJOR
export BOOTDEV_MINOR=$MINOR
return 0
@ -150,7 +149,7 @@ export_partdevice() {
local uevent MAJOR MINOR DEVNAME DEVTYPE
for uevent in /sys/class/block/*/uevent; do
. "$uevent"
eval "$(sed "s/=\(.*\)/=\'\1\'/" < "$uevent")"
if [ $BOOTDEV_MAJOR = $MAJOR -a $(($BOOTDEV_MINOR + $offset)) = $MINOR -a -b "/dev/$DEVNAME" ]; then
export "$var=$DEVNAME"
return 0