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-rwxr-xr-xtools/ak3-core.sh664
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diff --git a/tools/ak3-core.sh b/tools/ak3-core.sh
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+### AnyKernel methods (DO NOT CHANGE)
+## osm0sis @ xda-developers
+
+OUTFD=$1;
+
+# set up working directory variables
+test "$home" || home=$PWD;
+bootimg=$home/boot.img;
+bin=$home/tools;
+patch=$home/patch;
+ramdisk=$home/ramdisk;
+split_img=$home/split_img;
+
+### output/testing functions:
+# ui_print "<text>" [...]
+ui_print() {
+ until [ ! "$1" ]; do
+ echo -e "ui_print $1\nui_print" > /proc/self/fd/$OUTFD;
+ shift;
+ done;
+}
+
+# abort ["<text>" [...]]
+abort() {
+ ui_print " " "$*";
+ exit 1;
+}
+
+# contains <string> <substring>
+contains() {
+ test "${1#*$2}" != "$1";
+}
+
+# file_getprop <file> <property>
+file_getprop() {
+ grep "^$2=" "$1" | cut -d= -f2-;
+}
+###
+
+### dump_boot functions:
+# split_boot (dump and split image only)
+split_boot() {
+ local dumpfail;
+
+ if [ ! -e "$(echo $block | cut -d\ -f1)" ]; then
+ abort "Invalid partition. Aborting...";
+ fi;
+ if [ "$(echo $block | grep ' ')" ]; then
+ block=$(echo $block | cut -d\ -f1);
+ customdd=$(echo $block | cut -d\ -f2-);
+ elif [ ! "$customdd" ]; then
+ local customdd="bs=1048576";
+ fi;
+ if [ -f "$bin/nanddump" ]; then
+ $bin/nanddump -f $bootimg $block;
+ else
+ dd if=$block of=$bootimg $customdd;
+ fi;
+ test $? != 0 && dumpfail=1;
+
+ mkdir -p $split_img;
+ cd $split_img;
+ if [ -f "$bin/unpackelf" ] && $bin/unpackelf -i $bootimg -h -q 2>/dev/null; then
+ if [ -f "$bin/elftool" ]; then
+ mkdir elftool_out;
+ $bin/elftool unpack -i $bootimg -o elftool_out;
+ fi;
+ $bin/unpackelf -i $bootimg;
+ test $? != 0 && dumpfail=1;
+ mv -f boot.img-zImage kernel.gz;
+ mv -f boot.img-ramdisk.cpio.gz ramdisk.cpio.gz;
+ mv -f boot.img-cmdline cmdline.txt;
+ if [ -f boot.img-dt -a ! -f "$bin/elftool" ]; then
+ case $(od -ta -An -N4 boot.img-dt | sed -e 's/ del//' -e 's/ //g') in
+ QCDT|ELF) mv -f boot.img-dt dt;;
+ *)
+ gzip -c kernel.gz > kernel.gz-dtb;
+ cat boot.img-dt >> kernel.gz-dtb;
+ rm -f boot.img-dt kernel.gz;
+ ;;
+ esac;
+ fi;
+ elif [ -f "$bin/mboot" ]; then
+ $bin/mboot -u -f $bootimg;
+ elif [ -f "$bin/dumpimage" ]; then
+ dd bs=$(($(printf '%d\n' 0x$(hexdump -n 4 -s 12 -e '16/1 "%02x""\n"' $bootimg)) + 64)) count=1 conv=notrunc if=$bootimg of=boot-trimmed.img;
+ $bin/dumpimage -l boot-trimmed.img > header;
+ grep "Name:" header | cut -c15- > boot.img-name;
+ grep "Type:" header | cut -c15- | cut -d\ -f1 > boot.img-arch;
+ grep "Type:" header | cut -c15- | cut -d\ -f2 > boot.img-os;
+ grep "Type:" header | cut -c15- | cut -d\ -f3 | cut -d- -f1 > boot.img-type;
+ grep "Type:" header | cut -d\( -f2 | cut -d\) -f1 | cut -d\ -f1 | cut -d- -f1 > boot.img-comp;
+ grep "Address:" header | cut -c15- > boot.img-addr;
+ grep "Point:" header | cut -c15- > boot.img-ep;
+ $bin/dumpimage -p 0 -o kernel.gz boot-trimmed.img;
+ test $? != 0 && dumpfail=1;
+ case $(cat boot.img-type) in
+ Multi) $bin/dumpimage -p 1 -o ramdisk.cpio.gz boot-trimmed.img;;
+ RAMDisk) mv -f kernel.gz ramdisk.cpio.gz;;
+ esac;
+ elif [ -f "$bin/rkcrc" ]; then
+ dd bs=4096 skip=8 iflag=skip_bytes conv=notrunc if=$bootimg of=ramdisk.cpio.gz;
+ else
+ $bin/magiskboot unpack -h $bootimg;
+ fi;
+
+ if [ $? != 0 -o "$dumpfail" ]; then
+ abort "Dumping/splitting image failed. Aborting...";
+ fi;
+ cd $home;
+}
+
+# unpack_ramdisk (extract ramdisk only)
+unpack_ramdisk() {
+ local comp;
+
+ cd $split_img;
+ if [ -f ramdisk.cpio.gz ]; then
+ if [ -f "$bin/mkmtkhdr" ]; then
+ mv -f ramdisk.cpio.gz ramdisk.cpio.gz-mtk;
+ dd bs=512 skip=1 conv=notrunc if=ramdisk.cpio.gz-mtk of=ramdisk.cpio.gz;
+ fi;
+ mv -f ramdisk.cpio.gz ramdisk.cpio;
+ fi;
+
+ comp=$($bin/magiskboot decompress ramdisk.cpio 2>&1 | head -n1 | cut -d[ -f2 | cut -d] -f1 | grep -v 'compressed');
+ if [ "$comp" -a "$comp" != "raw" ]; then
+ mv -f ramdisk.cpio ramdisk.cpio.$comp;
+ $bin/magiskboot decompress ramdisk.cpio.$comp ramdisk.cpio;
+ if [ $? != 0 ]; then
+ echo "Attempting with busybox $comp..." >&2;
+ $comp -dc ramdisk.cpio.$comp > ramdisk.cpio;
+ fi;
+ fi;
+
+ mv -f $ramdisk $home/rdtmp;
+ mkdir -p $ramdisk;
+ chmod 755 $ramdisk;
+
+ cd $ramdisk;
+ EXTRACT_UNSAFE_SYMLINKS=1 cpio -d -F $split_img/ramdisk.cpio -i;
+ if [ $? != 0 -o ! "$(ls)" ]; then
+ abort "Unpacking ramdisk failed. Aborting...";
+ fi;
+ if [ "$(ls $home/rdtmp)" ]; then
+ cp -af $home/rdtmp/* .;
+ fi;
+}
+### dump_boot (dump and split image, then extract ramdisk)
+dump_boot() {
+ split_boot;
+ unpack_ramdisk;
+}
+###
+
+### write_boot functions:
+# repack_ramdisk (repack ramdisk only)
+repack_ramdisk() {
+ local comp packfail mtktype;
+
+ cd $home;
+ case $ramdisk_compression in
+ auto|"") comp=$(ls $split_img/ramdisk.cpio.* 2>/dev/null | grep -v 'mtk' | rev | cut -d. -f1 | rev);;
+ none|cpio) comp="";;
+ gz) comp=gzip;;
+ lzo) comp=lzop;;
+ bz2) comp=bzip2;;
+ lz4-l) comp=lz4_legacy;;
+ *) comp=$ramdisk_compression;;
+ esac;
+
+ if [ -f "$bin/mkbootfs" ]; then
+ $bin/mkbootfs $ramdisk > ramdisk-new.cpio;
+ else
+ cd $ramdisk;
+ find . | cpio -H newc -o > $home/ramdisk-new.cpio;
+ fi;
+ test $? != 0 && packfail=1;
+
+ cd $home;
+ if [ "$comp" ]; then
+ $bin/magiskboot compress=$comp ramdisk-new.cpio;
+ if [ $? != 0 ]; then
+ echo "Attempting with busybox $comp..." >&2;
+ $comp -9c ramdisk-new.cpio > ramdisk-new.cpio.$comp;
+ test $? != 0 && packfail=1;
+ rm -f ramdisk-new.cpio;
+ fi;
+ fi;
+ if [ "$packfail" ]; then
+ abort "Repacking ramdisk failed. Aborting...";
+ fi;
+
+ if [ -f "$bin/mkmtkhdr" -a -f "$split_img/boot.img-base" ]; then
+ mtktype=$(od -ta -An -N8 -j8 $split_img/ramdisk.cpio.gz-mtk | sed -e 's/ nul//g' -e 's/ //g' | tr '[:upper:]' '[:lower:]');
+ case $mtktype in
+ rootfs|recovery) $bin/mkmtkhdr --$mtktype ramdisk-new.cpio*;;
+ esac;
+ fi;
+}
+
+# flash_boot (build, sign and write image only)
+flash_boot() {
+ local varlist kernel ramdisk part0 part1 pk8 cert avbtype;
+
+ cd $split_img;
+ if [ -f "$bin/mkimage" ]; then
+ varlist="name arch os type comp addr ep";
+ elif [ -f "$bin/mkbootimg" -a -f "$bin/unpackelf" -a -f boot.img-base ]; then
+ mv -f cmdline.txt boot.img-cmdline;
+ varlist="cmdline base pagesize kerneloff ramdiskoff tagsoff";
+ fi;
+ for i in $varlist; do
+ if [ -f boot.img-$i ]; then
+ eval local $i=\"$(cat boot.img-$i)\";
+ fi;
+ done;
+
+ cd $home;
+ for i in zImage zImage-dtb Image Image-dtb Image.gz Image.gz-dtb Image.bz2 Image.bz2-dtb Image.lzo Image.lzo-dtb Image.lzma Image.lzma-dtb Image.xz Image.xz-dtb Image.lz4 Image.lz4-dtb Image.fit; do
+ if [ -f $i ]; then
+ kernel=$home/$i;
+ break;
+ fi;
+ done;
+ if [ "$kernel" ]; then
+ if [ -f "$bin/mkmtkhdr" -a -f "$split_img/boot.img-base" ]; then
+ $bin/mkmtkhdr --kernel $kernel;
+ kernel=$kernel-mtk;
+ fi;
+ elif [ "$(ls $split_img/kernel*)" ]; then
+ kernel=$(ls $split_img/kernel* | grep -v 'kernel_dtb' | tail -n1);
+ fi;
+ if [ "$(ls ramdisk-new.cpio*)" ]; then
+ ramdisk=$home/$(ls ramdisk-new.cpio* | tail -n1);
+ elif [ -f "$bin/mkmtkhdr" -a -f "$split_img/boot.img-base" ]; then
+ ramdisk=$split_img/ramdisk.cpio.gz-mtk;
+ else
+ ramdisk=$(ls $split_img/ramdisk.cpio* | tail -n1);
+ fi;
+ for fdt in dt recovery_dtbo dtb; do
+ for i in $home/$fdt $home/$fdt.img $split_img/$fdt; do
+ if [ -f $i ]; then
+ eval local $fdt=$i;
+ break;
+ fi;
+ done;
+ done;
+
+ cd $split_img;
+ if [ -f "$bin/mkimage" ]; then
+ test "$comp" == "uncompressed" && comp=none;
+ part0=$kernel;
+ case $type in
+ Multi) part1=":$ramdisk";;
+ RAMDisk) part0=$ramdisk;;
+ esac;
+ $bin/mkimage -A $arch -O $os -T $type -C $comp -a $addr -e $ep -n "$name" -d $part0$part1 $home/boot-new.img;
+ elif [ -f "$bin/elftool" ]; then
+ test "$dt" && dt="$dt,rpm";
+ test "$cmdline" && cmdline="cmdline.txt@cmdline";
+ $bin/elftool pack -o $home/boot-new.img header=elftool_out/header $kernel $ramdisk,ramdisk $dt $cmdline;
+ elif [ -f "$bin/mboot" ]; then
+ cp -f $kernel kernel;
+ cp -f $ramdisk ramdisk.cpio.gz;
+ $bin/mboot -d $split_img -f $home/boot-new.img;
+ elif [ -f "$bin/rkcrc" ]; then
+ $bin/rkcrc -k $ramdisk $home/boot-new.img;
+ elif [ -f "$bin/mkbootimg" -a -f "$bin/unpackelf" -a -f boot.img-base ]; then
+ test "$dt" && dt="--dt $dt";
+ $bin/mkbootimg --kernel $kernel --ramdisk $ramdisk --cmdline "$cmdline" --base $home --pagesize $pagesize --kernel_offset $kerneloff --ramdisk_offset $ramdiskoff --tags_offset "$tagsoff" $dt --output $home/boot-new.img;
+ else
+ cp -f $kernel kernel;
+ cp -f $ramdisk ramdisk.cpio;
+ case $kernel in
+ *-dtb) rm -f kernel_dtb;;
+ esac;
+ test "$dt" -a -f extra && cp -f $dt extra;
+ for i in dtb recovery_dtbo; do
+ test "$(eval echo \$$i)" -a -f $i && cp -f $(eval echo \$$i) $i;
+ done;
+ $bin/magiskboot repack $bootimg $home/boot-new.img;
+ fi;
+ if [ $? != 0 ]; then
+ abort "Repacking image failed. Aborting...";
+ fi;
+
+ cd $home;
+ if [ -f "$bin/futility" -a -d "$bin/chromeos" ]; then
+ $bin/futility vbutil_kernel --pack boot-new-signed.img --keyblock $bin/chromeos/kernel.keyblock --signprivate $bin/chromeos/kernel_data_key.vbprivk --version 1 --vmlinuz boot-new.img --bootloader $bin/chromeos/empty --config $bin/chromeos/empty --arch arm --flags 0x1;
+ if [ $? != 0 ]; then
+ abort "Signing image failed. Aborting...";
+ fi;
+ mv -f boot-new-signed.img boot-new.img;
+ fi;
+ if [ -f "$bin/BootSignature_Android.jar" -a -d "$bin/avb" ]; then
+ pk8=$(ls $bin/avb/*.pk8);
+ cert=$(ls $bin/avb/*.x509.*);
+ case $block in
+ *recovery*|*SOS*) avbtype=recovery;;
+ *) avbtype=boot;;
+ esac;
+ if [ "$(/system/bin/dalvikvm -Xbootclasspath:/system/framework/core-oj.jar:/system/framework/core-libart.jar:/system/framework/conscrypt.jar:/system/framework/bouncycastle.jar -Xnodex2oat -Xnoimage-dex2oat -cp $bin/BootSignature_Android.jar com.android.verity.BootSignature -verify boot.img 2>&1 | grep VALID)" ]; then
+ /system/bin/dalvikvm -Xbootclasspath:/system/framework/core-oj.jar:/system/framework/core-libart.jar:/system/framework/conscrypt.jar:/system/framework/bouncycastle.jar -Xnodex2oat -Xnoimage-dex2oat -cp $bin/BootSignature_Android.jar com.android.verity.BootSignature /$avbtype boot-new.img $pk8 $cert boot-new-signed.img;
+ if [ $? != 0 ]; then
+ abort "Signing image failed. Aborting...";
+ fi;
+ fi;
+ mv -f boot-new-signed.img boot-new.img;
+ fi;
+
+ if [ ! -f boot-new.img ]; then
+ abort "Repacked image could not be found. Aborting...";
+ elif [ "$(wc -c < boot-new.img)" -gt "$(wc -c < boot.img)" ]; then
+ abort "New image larger than boot partition. Aborting...";
+ fi;
+ if [ -f "$bin/flash_erase" -a -f "$bin/nandwrite" ]; then
+ $bin/flash_erase $block 0 0;
+ $bin/nandwrite -p $block boot-new.img;
+ elif [ "$customdd" ]; then
+ dd if=/dev/zero of=$block $customdd 2>/dev/null;
+ dd if=boot-new.img of=$block $customdd;
+ else
+ cat boot-new.img /dev/zero > $block 2>/dev/null;
+ fi;
+}
+
+# flash_dtbo (flash dtbo only)
+flash_dtbo() {
+ local i dtbo dtboblock;
+
+ cd $home;
+ for i in dtbo dtbo.img; do
+ if [ -f $i ]; then
+ dtbo=$i;
+ break;
+ fi;
+ done;
+
+ if [ "$dtbo" ]; then
+ dtboblock=/dev/block/bootdevice/by-name/dtbo$slot;
+ if [ ! -e "$dtboblock" ]; then
+ abort "dtbo partition could not be found. Aborting...";
+ fi;
+ if [ -f "$bin/flash_erase" -a -f "$bin/nandwrite" ]; then
+ $bin/flash_erase $dtboblock 0 0;
+ $bin/nandwrite -p $dtboblock $dtbo;
+ else
+ cat $dtbo /dev/zero > $dtboblock 2>/dev/null;
+ fi;
+ fi;
+}
+### write_boot (repack ramdisk then build, sign and write image and dtbo)
+write_boot() {
+ repack_ramdisk;
+ flash_boot;
+ flash_dtbo;
+}
+###
+
+### file editing functions:
+# backup_file <file>
+backup_file() { test ! -f $1~ && cp -fp $1 $1~; }
+
+# restore_file <file>
+restore_file() { test -f $1~ && cp -fp $1~ $1; rm -f $1~; }
+
+# replace_string <file> <if search string> <original string> <replacement string> <scope>
+replace_string() {
+ test "$5" == "global" && local scope=g;
+ if ! grep -q "$2" $1; then
+ sed -i "s;${3};${4};${scope}" $1;
+ fi;
+}
+
+# replace_section <file> <begin search string> <end search string> <replacement string>
+replace_section() {
+ local begin endstr last end;
+ begin=$(grep -n "$2" $1 | head -n1 | cut -d: -f1);
+ if [ "$begin" ]; then
+ if [ "$3" == " " -o ! "$3" ]; then
+ endstr='^[[:space:]]*$';
+ last=$(wc -l $1 | cut -d\ -f1);
+ else
+ endstr="$3";
+ fi;
+ for end in $(grep -n "$endstr" $1 | cut -d: -f1) $last; do
+ if [ "$end" ] && [ "$begin" -lt "$end" ]; then
+ sed -i "${begin},${end}d" $1;
+ test "$end" == "$last" && echo >> $1;
+ sed -i "${begin}s;^;${4}\n;" $1;
+ break;
+ fi;
+ done;
+ fi;
+}
+
+# remove_section <file> <begin search string> <end search string>
+remove_section() {
+ local begin endstr last end;
+ begin=$(grep -n "$2" $1 | head -n1 | cut -d: -f1);
+ if [ "$begin" ]; then
+ if [ "$3" == " " -o ! "$3" ]; then
+ endstr='^[[:space:]]*$';
+ last=$(wc -l $1 | cut -d\ -f1);
+ else
+ endstr="$3";
+ fi;
+ for end in $(grep -n "$endstr" $1 | cut -d: -f1) $last; do
+ if [ "$end" ] && [ "$begin" -lt "$end" ]; then
+ sed -i "${begin},${end}d" $1;
+ break;
+ fi;
+ done;
+ fi;
+}
+
+# insert_line <file> <if search string> <before|after> <line match string> <inserted line>
+insert_line() {
+ local offset line;
+ if ! grep -q "$2" $1; then
+ case $3 in
+ before) offset=0;;
+ after) offset=1;;
+ esac;
+ line=$((`grep -n "$4" $1 | head -n1 | cut -d: -f1` + offset));
+ if [ -f $1 -a "$line" ] && [ "$(wc -l $1 | cut -d\ -f1)" -lt "$line" ]; then
+ echo "$5" >> $1;
+ else
+ sed -i "${line}s;^;${5}\n;" $1;
+ fi;
+ fi;
+}
+
+# replace_line <file> <line replace string> <replacement line>
+replace_line() {
+ if grep -q "$2" $1; then
+ local line=$(grep -n "$2" $1 | head -n1 | cut -d: -f1);
+ sed -i "${line}s;.*;${3};" $1;
+ fi;
+}
+
+# remove_line <file> <line match string>
+remove_line() {
+ if grep -q "$2" $1; then
+ local line=$(grep -n "$2" $1 | head -n1 | cut -d: -f1);
+ sed -i "${line}d" $1;
+ fi;
+}
+
+# prepend_file <file> <if search string> <patch file>
+prepend_file() {
+ if ! grep -q "$2" $1; then
+ echo "$(cat $patch/$3 $1)" > $1;
+ fi;
+}
+
+# insert_file <file> <if search string> <before|after> <line match string> <patch file>
+insert_file() {
+ local offset line;
+ if ! grep -q "$2" $1; then
+ case $3 in
+ before) offset=0;;
+ after) offset=1;;
+ esac;
+ line=$((`grep -n "$4" $1 | head -n1 | cut -d: -f1` + offset));
+ sed -i "${line}s;^;\n;" $1;
+ sed -i "$((line - 1))r $patch/$5" $1;
+ fi;
+}
+
+# append_file <file> <if search string> <patch file>
+append_file() {
+ if ! grep -q "$2" $1; then
+ echo -ne "\n" >> $1;
+ cat $patch/$3 >> $1;
+ echo -ne "\n" >> $1;
+ fi;
+}
+
+# replace_file <file> <permissions> <patch file>
+replace_file() {
+ cp -pf $patch/$3 $1;
+ chmod $2 $1;
+}
+
+# patch_fstab <fstab file> <mount match name> <fs match type> block|mount|fstype|options|flags <original string> <replacement string>
+patch_fstab() {
+ local entry part newpart newentry;
+ entry=$(grep "$2" $1 | grep "$3");
+ if [ ! "$(echo "$entry" | grep "$6")" -o "$6" == " " -o ! "$6" ]; then
+ case $4 in
+ block) part=$(echo "$entry" | awk '{ print $1 }');;
+ mount) part=$(echo "$entry" | awk '{ print $2 }');;
+ fstype) part=$(echo "$entry" | awk '{ print $3 }');;
+ options) part=$(echo "$entry" | awk '{ print $4 }');;
+ flags) part=$(echo "$entry" | awk '{ print $5 }');;
+ esac;
+ newpart=$(echo "$part" | sed -e "s;${5};${6};" -e "s; ;;g" -e 's;,\{2,\};,;g' -e 's;,*$;;g' -e 's;^,;;g');
+ newentry=$(echo "$entry" | sed "s;${part};${newpart};");
+ sed -i "s;${entry};${newentry};" $1;
+ fi;
+}
+
+# patch_cmdline <cmdline entry name> <replacement string>
+patch_cmdline() {
+ local cmdfile cmdtmp match;
+ if [ -f "$split_img/cmdline.txt" ]; then
+ cmdfile=$split_img/cmdline.txt;
+ else
+ cmdfile=$home/cmdtmp;
+ grep "^cmdline=" $split_img/header | cut -d= -f2- > $cmdfile;
+ fi;
+ if ! grep -q "$1" $cmdfile; then
+ cmdtmp=$(cat $cmdfile);
+ echo "$cmdtmp $2" > $cmdfile;
+ sed -i -e 's; *; ;g' -e 's;[ \t]*$;;' $cmdfile;
+ else
+ match=$(grep -o "$1.*$" $cmdfile | cut -d\ -f1);
+ sed -i -e "s;${match};${2};" -e 's; *; ;g' -e 's;[ \t]*$;;' $cmdfile;
+ fi;
+ if [ -f "$home/cmdtmp" ]; then
+ sed -i "s|^cmdline=.*|cmdline=$(cat $cmdfile)|" $split_img/header;
+ rm -f $cmdfile;
+ fi;
+}
+
+# patch_prop <prop file> <prop name> <new prop value>
+patch_prop() {
+ if ! grep -q "^$2=" $1; then
+ echo -ne "\n$2=$3\n" >> $1;
+ else
+ local line=$(grep -n "^$2=" $1 | head -n1 | cut -d: -f1);
+ sed -i "${line}s;.*;${2}=${3};" $1;
+ fi;
+}
+
+# patch_ueventd <ueventd file> <device node> <permissions> <chown> <chgrp>
+patch_ueventd() {
+ local file dev perm user group newentry line;
+ file=$1; dev=$2; perm=$3; user=$4;
+ shift 4;
+ group="$@";
+ newentry=$(printf "%-23s %-4s %-8s %s\n" "$dev" "$perm" "$user" "$group");
+ line=$(grep -n "$dev" $file | head -n1 | cut -d: -f1);
+ if [ "$line" ]; then
+ sed -i "${line}s;.*;${newentry};" $file;
+ else
+ echo -ne "\n$newentry\n" >> $file;
+ fi;
+}
+###
+
+### configuration/setup functions:
+# reset_ak [keep]
+reset_ak() {
+ local i;
+
+ if [ ! "$1" == "keep" ]; then
+ rm -rf $(dirname $home/*-files/current)/ramdisk;
+ for i in $bootimg $patch $ramdisk $split_img $home/rdtmp $home/*-new*; do
+ cp -af $i $(dirname $home/*-files/current);
+ done;
+ fi;
+ rm -rf $bootimg $ramdisk $split_img $home/*-new* $home/*-files/current;
+
+ if [ "$1" == "keep" ]; then
+ mv -f $home/rdtmp $ramdisk;
+ else
+ rm -rf $patch $home/rdtmp;
+ fi;
+ setup_ak;
+}
+
+# setup_ak
+setup_ak() {
+ # allow multi-partition ramdisk modifying configurations (using reset_ak)
+ if [ ! -d "$ramdisk" -a ! -d "$patch" ]; then
+ if [ -d "$(basename $block)-files" ]; then
+ cp -af $home/$(basename $block)-files/* $home;
+ else
+ mkdir -p $home/$(basename $block)-files;
+ fi;
+ touch $home/$(basename $block)-files/current;
+ fi;
+ test ! -d "$ramdisk" && mkdir -p $ramdisk;
+
+ # 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" ]; then
+ case $slot_select in
+ inactive)
+ case $slot in
+ _a) slot=_b;;
+ _b) slot=_a;;
+ esac;
+ ;;
+ esac;
+ fi;
+ if [ ! "$slot" -a "$is_slot_device" == 1 ]; then
+ abort "Unable to determine active boot slot. Aborting...";
+ fi;
+ ;;
+ esac;
+
+ # target block partition detection enabled by block=boot recovery or auto (from anykernel.sh)
+ case $block in
+ auto|"") block=boot;;
+ esac;
+ 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
+ abort "Unable to determine mtd $block partition. Aborting...";
+ fi;
+ target=/dev/mtd/$mtd;
+ elif [ -e /dev/block/by-name/$part ]; then
+ target=/dev/block/by-name/$part;
+ 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=$(ls $target 2>/dev/null);
+ else
+ abort "Unable to determine $block partition. Aborting...";
+ fi;
+ ;;
+ *)
+ if [ "$slot" ]; then
+ test -e "$block$slot" && block=$block$slot;
+ fi;
+ ;;
+ esac;
+}
+###
+
+### end methods
+
+setup_ak;