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Improve detecting device status

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This commit is contained in:
topjohnwu 2018-06-17 17:59:24 +08:00
parent 838f3cc01e
commit d93fc67a75
2 changed files with 24 additions and 25 deletions
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3
scripts/flash_script.sh
View File

@ -48,6 +48,9 @@ ui_print "************************"
is_mounted /data || mount /data || is_mounted /cache || mount /cache || abort "! Unable to mount partitions"
mount_partitions
find_boot_image
find_dtbo_image
# read override variables
getvar KEEPVERITY
getvar KEEPFORCEENCRYPT

46
scripts/util_functions.sh
View File

@ -47,32 +47,30 @@ ui_print() {
mount_partitions() {
# Check A/B slot
SLOT=`getprop ro.boot.slot_suffix`
if [ -z $SLOT ]; then
SLOT=_`getprop ro.boot.slot`
[ $SLOT = "_" ] && SLOT=
if [ "`grep_prop ro.build.ab_update`" = "true" ]; then
SLOT=`grep_cmdline androidboot.slot_suffix`
if [ -z $SLOT ]; then
SLOT=_`grep_cmdline androidboot.slot`
[ $SLOT = "_" ] && SLOT=
fi
fi
# Check the boot image to make sure the slot actually make sense
find_boot_image
find_dtbo_image
[ -z $SLOT ] || ui_print "- A/B partition detected, current slot: $SLOT"
[ -z $SLOT ] || ui_print "- A/B partition, current slot: $SLOT"
ui_print "- Mounting /system, /vendor"
is_mounted /system || [ -f /system/build.prop ] || mount -o ro /system 2>/dev/null
[ -f /system/build.prop ] || is_mounted /system || mount -o ro /system 2>/dev/null
if ! is_mounted /system && ! [ -f /system/build.prop ]; then
SYSTEMBLOCK=`find /dev/block -iname system$SLOT | head -n 1`
mount -t ext4 -o ro $SYSTEMBLOCK /system
fi
is_mounted /system || [ -f /system/build.prop ] || abort "! Cannot mount /system"
cat /proc/mounts | grep -E '/dev/root|/system_root' >/dev/null && SKIP_INITRAMFS=true || SKIP_INITRAMFS=false
if [ -f /system/init.rc ]; then
SKIP_INITRAMFS=true
[ -f /system/build.prop ] || is_mounted /system || abort "! Cannot mount /system"
cat /proc/mounts | grep -E '/dev/root|/system_root' >/dev/null && SYSTEM_ROOT=true || SYSTEM_ROOT=false
if [ -f /system/init ]; then
SYSTEM_ROOT=true
mkdir /system_root 2>/dev/null
mount --move /system /system_root
mount -o bind /system_root/system /system
fi
$SKIP_INITRAMFS && ui_print "- Device skip_initramfs detected"
$SYSTEM_ROOT && ui_print "- Device using system_root_image"
if [ -L /system/vendor ]; then
# Seperate /vendor partition
is_mounted /vendor || mount -o ro /vendor 2>/dev/null
@ -84,6 +82,11 @@ mount_partitions() {
fi
}
grep_cmdline() {
REGEX="s/^$1=//p"
sed -E 's/ +/\n/g' /proc/cmdline | sed -n "$REGEX" 2>/dev/null
}
grep_prop() {
REGEX="s/^$1=//p"
shift
@ -95,10 +98,7 @@ grep_prop() {
getvar() {
local VARNAME=$1
local VALUE=
for DIR in /.backup /dev /data /cache /system; do
VALUE=`grep_prop $VARNAME $DIR/.magisk`
[ ! -z $VALUE ] && break;
done
VALUE=`grep_prop $VARNAME /.backup/.magisk /data/.magisk /cache/.magisk /system/.magisk`
[ ! -z $VALUE ] && eval $VARNAME=\$VALUE
}
@ -106,10 +106,7 @@ find_boot_image() {
BOOTIMAGE=
if [ ! -z $SLOT ]; then
BOOTIMAGE=`find /dev/block -iname boot$SLOT | head -n 1` 2>/dev/null
fi
if [ -z $BOOTIMAGE ]; then
# The slot info is incorrect...
SLOT=
else
for BLOCK in ramdisk boot_a kern-a android_boot kernel boot lnx bootimg; do
BOOTIMAGE=`find /dev/block -iname $BLOCK | head -n 1` 2>/dev/null
[ ! -z $BOOTIMAGE ] && break
@ -229,8 +226,7 @@ sign_chromeos() {
}
is_mounted() {
TARGET="`readlink -f $1`"
cat /proc/mounts | grep " $TARGET " >/dev/null
cat /proc/mounts | grep -q " `readlink -f $1` " 2>/dev/null
return $?
}