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AK2: add auto detection of named block (e.g. boot, recovery) partitions (#19, #26)

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- search using a list of known ramdisk/kernel or recovery by-name partition names
- block=auto is equivalent to block=boot
- for use with broad, device non-specific AK2-based mod zips
This commit is contained in:
osm0sis committed 2018-07-13 01:20:04 -03:00
1 parent 2a34450ba9
commit 75986e14d1
1 file changed
+52 -16
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tools/ak2-core.sh
+52 -16
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@@ -503,22 +503,58 @@ if [ ! -d "$ramdisk" -a ! -d "$patch" ]; then
fi;
test ! -d "$ramdisk" && mkdir -p $ramdisk;
# slot detection enabled by is_slot_device=1 (from anykernel.sh)
if [ "$is_slot_device" == 1 -o "$is_slot_device" == "auto" ]; then
slot=$(getprop ro.boot.slot_suffix 2>/dev/null);
test ! "$slot" && slot=$(grep -o 'androidboot.slot_suffix=.*$' /proc/cmdline | cut -d\ -f1 | cut -d= -f2);
if [ ! "$slot" ]; then
slot=$(getprop ro.boot.slot 2>/dev/null);
test ! "$slot" && slot=$(grep -o 'androidboot.slot=.*$' /proc/cmdline | cut -d\ -f1 | cut -d= -f2);
test "$slot" && slot=_$slot;
fi;
if [ "$slot" ]; then
test -e "$block$slot" && block=$block$slot;
fi;
if [ $? != 0 -a "$is_slot_device" == 1 ]; then
ui_print " "; ui_print "Unable to determine active boot slot. Aborting..."; exit 1;
fi;
fi;
# slot detection enabled by is_slot_device=1 or auto (from anykernel.sh)
case $is_slot_device in
1|auto)
slot=$(getprop ro.boot.slot_suffix 2>/dev/null);
test ! "$slot" && slot=$(grep -o 'androidboot.slot_suffix=.*$' /proc/cmdline | cut -d\ -f1 | cut -d= -f2);
if [ ! "$slot" ]; then
slot=$(getprop ro.boot.slot 2>/dev/null);
test ! "$slot" && slot=$(grep -o 'androidboot.slot=.*$' /proc/cmdline | cut -d\ -f1 | cut -d= -f2);
test "$slot" && slot=_$slot;
fi;
if [ ! "$slot" -a "$is_slot_device" == 1 ]; then
ui_print " "; ui_print "Unable to determine active boot slot. Aborting..."; exit 1;
fi;
;;
esac;
# target block partition detection enabled by block=boot recovery or auto (from anykernel.sh)
test "$block" == "auto" && block=boot;
case $block in
boot|recovery)
case $block in
boot) parttype="ramdisk boot BOOT LNX android_boot KERN-A kernel KERNEL";;
recovery) parttype="ramdisk_recovey recovery RECOVERY SOS android_recovery";;
esac;
for name in $parttype; do
for part in $name $name$slot; do
if [ "$(grep -w "$part" /proc/mtd 2> /dev/null)" ]; then
mtdmount=$(grep -w "$part" /proc/mtd);
mtdpart=$(echo $mtdmount | cut -d\" -f2);
if [ "$mtdpart" == "$part" ]; then
mtd=$(echo $mtdmount | cut -d: -f1);
else
ui_print " "; ui_print "Unable to determine mtd $block partition. Aborting..."; exit 1;
fi;
target=/dev/mtd/$mtd;
elif [ -e /dev/block/bootdevice/by-name/$part ]; then
target=/dev/block/bootdevice/by-name/$part;
elif [ -e /dev/block/platform/*/by-name/$part ]; then
target=/dev/block/platform/*/by-name/$part;
elif [ -e /dev/block/platform/*/*/by-name/$part ]; then
target=/dev/block/platform/*/*/by-name/$part;
fi;
test -e "$target" && break 2;
done;
done;
if [ "$target" ]; then
block=$(echo -n $target);
else
ui_print " "; ui_print "Unable to determine $block partition. Aborting..."; exit 1;
fi;
;;
esac;
## end methods