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bcm2835-bootloader: check config.txt version in update.sh

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Replace current config.txt with default version if the version
info is missing or below the required minimum version.

This is needed to roll out required changes if users update from
LibreELEC 9.x

Signed-off-by: Matthias Reichl <hias@horus.com>
This commit is contained in:
Matthias Reichl 2020-11-24 11:35:43 +01:00
parent 73704db1f5
commit c88a508544
1 changed files with 15 additions and 4 deletions
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19
packages/tools/bcm2835-bootloader/files/update.sh
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@ -2,10 +2,13 @@
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2009-2014 Stephan Raue (stephan@openelec.tv)
# Copyright (C) 2016-present Team LibreELEC (https://libreelec.tv)
[ -z "$BOOT_ROOT" ] && BOOT_ROOT="/flash"
[ -z "$SYSTEM_ROOT" ] && SYSTEM_ROOT=""
MIN_CONFIG_TXT_VERSION=1
# mount $BOOT_ROOT r/w
mount -o remount,rw $BOOT_ROOT
@ -30,10 +33,18 @@ rm -rf $BOOT_ROOT/start_x.elf
# some config.txt magic
if [ ! -f $BOOT_ROOT/config.txt ]; then
cp -p $SYSTEM_ROOT/usr/share/bootloader/config.txt $BOOT_ROOT
elif [ -z "`grep "^[ ]*gpu_mem.*" $BOOT_ROOT/config.txt`" ]; then
mv $BOOT_ROOT/config.txt $BOOT_ROOT/config.txt.bk
cat $SYSTEM_ROOT/usr/share/bootloader/config.txt \
$BOOT_ROOT/config.txt.bk > $BOOT_ROOT/config.txt
else
CONFIG_TXT_VERSION=$( \
grep "^# config.txt version v[0-9]\+" $BOOT_ROOT/config.txt | \
head -n 1 | \
sed 's/^# config.txt version v\([0-9]\+\) .*$/\1/' \
)
if [ ${CONFIG_TXT_VERSION:-0} -lt $MIN_CONFIG_TXT_VERSION ]; then
mv -f $BOOT_ROOT/config.txt $BOOT_ROOT/config.txt.old
cp -p $SYSTEM_ROOT/usr/share/bootloader/config.txt $BOOT_ROOT/config.txt
echo "WARNING incompatible config.txt detected, replacing with default."
echo "Previous config.txt has been moved to config.txt.old"
fi
fi
# Add distro config file