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base-files: make sure tools are present in sysupgrade ramdisk

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Not all targets create /var/lock or touch /var/lock/fw_printenv.lock in
their platform.sh. This is problematic as fw_printenv then fails in
case /var/lock/fw_printenv.lock has not been created by previous calls
to fw_printenv/fw_setenv before sysupgrade is run.

Targets using fw_printenv/fw_setenv during sysupgrade:
 * ath79/*
 * ipq40xx/*
 * ipq806x/*
 * kirkwood/*
 * layerscape/*
 * mediatek/mt7622
 * mvebu/*
 * ramips/*
 * realtek/*

Targets currently using additional steps in /lib/upgrade/platform.sh
to make sure /var/lock/fw_printenv.lock (or at least /var/lock)
actually exists:
 * ath79/* (openmesh devices)
 * ipq40xx/* (linksys devices)
 * ipq806x/* (linksys devices)
 * kirkwood/* (linksys devices)
 * layerscape/*
 * mvebu/cortexa9 (linksys devices)

Given that accessing the U-Boot environment during sysupgrade is not
uncommon and the situation across targets is currently quite diverse,
just make sure both tools as well fw_env.config are always copied to
the ramdisk used for sysupgrade. Also make sure /var/lock always
exists.

This now allows to remove copying of fw_printenv/fw_setenv as well as
fw_env.config, creation of /var/lock or even /var/lock/fw_printenv.lock
from lib/upgrade/platform.sh or files included there.

As the same applies also to 'fwtool' which is used by generic eMMC
sysupgrade, also always copy that to ramdisk.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2022-02-22 18:04:34 +00:00
parent c0849c1d9c
commit 2baded9ecc
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1 changed files with 7 additions and 1 deletions
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8
package/base-files/files/lib/upgrade/stage2
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@ -46,13 +46,19 @@ switch_to_ramfs() {
ubiupdatevol ubiattach ubiblock ubiformat \
ubidetach ubirsvol ubirmvol ubimkvol \
snapshot snapshot_tool date logger \
/usr/sbin/fw_printenv /usr/bin/fwtool \
$RAMFS_COPY_LOSETUP $RAMFS_COPY_LVM \
$RAMFS_COPY_BIN
do
local file="$(command -v "$binary" 2>/dev/null)"
[ -n "$file" ] && install_bin "$file"
done
install_file /etc/resolv.conf /lib/*.sh /lib/functions/*.sh /lib/upgrade/*.sh /lib/upgrade/do_stage2 /usr/share/libubox/jshn.sh $RAMFS_COPY_DATA
install_file /etc/resolv.conf /lib/*.sh /lib/functions/*.sh \
/lib/upgrade/*.sh /lib/upgrade/do_stage2 \
/usr/share/libubox/jshn.sh /usr/sbin/fw_setenv \
/etc/fw_env.config $RAMFS_COPY_DATA
mkdir -p $RAM_ROOT/var/lock
[ -L "/lib64" ] && ln -s /lib $RAM_ROOT/lib64