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base-files: add support for restoring config from tmpfs

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Instead of only relying in /sysupgrade.tgz being present in rootfs to
restore configuration, also grab /tmp/sysupgrade.tar which may have
magically gotten there during preinit...

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2021-02-27 22:21:09 +00:00 committed by AmadeusGhost
parent bab1bee9b3
commit b21d60f57c
1 changed files with 3 additions and 2 deletions
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5
package/base-files/files/lib/preinit/80_mount_root
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@ -4,10 +4,11 @@
do_mount_root() {
mount_root
boot_run_hook preinit_mount_root
[ -f /sysupgrade.tgz ] && {
[ -f /sysupgrade.tgz -o -f /tmp/sysupgrade.tar ] && {
echo "- config restore -"
cd /
tar xzf /sysupgrade.tgz
[ -f /sysupgrade.tgz ] && tar xzf /sysupgrade.tgz
[ -f /tmp/sysupgrade.tar ] && tar xf /tmp/sysupgrade.tar
# Prevent configuration corruption on a power loss
sync
}