683 lines
21 KiB
Bash
Executable File
683 lines
21 KiB
Bash
Executable File
### AnyKernel methods (DO NOT CHANGE)
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## osm0sis @ xda-developers
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OUTFD=$1;
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# set up working directory variables
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test "$home" || home=$PWD;
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bootimg=$home/boot.img;
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bin=$home/tools;
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patch=$home/patch;
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ramdisk=$home/ramdisk;
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split_img=$home/split_img;
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### output/testing functions:
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# ui_print "<text>" [...]
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ui_print() {
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until [ ! "$1" ]; do
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echo -e "ui_print $1\nui_print" > /proc/self/fd/$OUTFD;
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shift;
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done;
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}
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# abort ["<text>" [...]]
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abort() {
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ui_print " " "$*";
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exit 1;
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}
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# contains <string> <substring>
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contains() {
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test "${1#*$2}" != "$1";
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}
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# file_getprop <file> <property>
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file_getprop() {
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grep "^$2=" "$1" | cut -d= -f2-;
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}
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###
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### dump_boot functions:
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# split_boot (dump and split image only)
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split_boot() {
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local dumpfail;
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if [ ! -e "$(echo $block | cut -d\ -f1)" ]; then
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abort "Invalid partition. Aborting...";
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fi;
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if [ "$(echo $block | grep ' ')" ]; then
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block=$(echo $block | cut -d\ -f1);
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customdd=$(echo $block | cut -d\ -f2-);
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elif [ ! "$customdd" ]; then
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local customdd="bs=1048576";
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fi;
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if [ -f "$bin/nanddump" ]; then
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$bin/nanddump -f $bootimg $block;
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else
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dd if=$block of=$bootimg $customdd;
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fi;
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test $? != 0 && dumpfail=1;
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mkdir -p $split_img;
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cd $split_img;
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if [ -f "$bin/unpackelf" ] && $bin/unpackelf -i $bootimg -h -q 2>/dev/null; then
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if [ -f "$bin/elftool" ]; then
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mkdir elftool_out;
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$bin/elftool unpack -i $bootimg -o elftool_out;
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fi;
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$bin/unpackelf -i $bootimg;
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test $? != 0 && dumpfail=1;
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mv -f boot.img-zImage kernel.gz;
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mv -f boot.img-ramdisk.cpio.gz ramdisk.cpio.gz;
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mv -f boot.img-cmdline cmdline.txt;
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if [ -f boot.img-dt -a ! -f "$bin/elftool" ]; then
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case $(od -ta -An -N4 boot.img-dt | sed -e 's/ del//' -e 's/ //g') in
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QCDT|ELF) mv -f boot.img-dt dt;;
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*)
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gzip -c kernel.gz > kernel.gz-dtb;
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cat boot.img-dt >> kernel.gz-dtb;
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rm -f boot.img-dt kernel.gz;
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;;
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esac;
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fi;
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elif [ -f "$bin/mboot" ]; then
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$bin/mboot -u -f $bootimg;
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elif [ -f "$bin/dumpimage" ]; then
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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;
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$bin/dumpimage -l boot-trimmed.img > header;
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grep "Name:" header | cut -c15- > boot.img-name;
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grep "Type:" header | cut -c15- | cut -d\ -f1 > boot.img-arch;
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grep "Type:" header | cut -c15- | cut -d\ -f2 > boot.img-os;
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grep "Type:" header | cut -c15- | cut -d\ -f3 | cut -d- -f1 > boot.img-type;
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grep "Type:" header | cut -d\( -f2 | cut -d\) -f1 | cut -d\ -f1 | cut -d- -f1 > boot.img-comp;
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grep "Address:" header | cut -c15- > boot.img-addr;
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grep "Point:" header | cut -c15- > boot.img-ep;
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$bin/dumpimage -p 0 -o kernel.gz boot-trimmed.img;
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test $? != 0 && dumpfail=1;
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case $(cat boot.img-type) in
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Multi) $bin/dumpimage -p 1 -o ramdisk.cpio.gz boot-trimmed.img;;
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RAMDisk) mv -f kernel.gz ramdisk.cpio.gz;;
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esac;
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elif [ -f "$bin/rkcrc" ]; then
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dd bs=4096 skip=8 iflag=skip_bytes conv=notrunc if=$bootimg of=ramdisk.cpio.gz;
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else
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$bin/magiskboot unpack -h $bootimg;
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fi;
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if [ $? != 0 -o "$dumpfail" ]; then
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abort "Dumping/splitting image failed. Aborting...";
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fi;
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cd $home;
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}
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# unpack_ramdisk (extract ramdisk only)
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unpack_ramdisk() {
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local comp;
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cd $split_img;
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if [ -f ramdisk.cpio.gz ]; then
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if [ -f "$bin/mkmtkhdr" ]; then
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mv -f ramdisk.cpio.gz ramdisk.cpio.gz-mtk;
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dd bs=512 skip=1 conv=notrunc if=ramdisk.cpio.gz-mtk of=ramdisk.cpio.gz;
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fi;
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mv -f ramdisk.cpio.gz ramdisk.cpio;
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fi;
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if [ -f ramdisk.cpio ]; then
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comp=$($bin/magiskboot decompress ramdisk.cpio 2>&1 | head -n1 | cut -d[ -f2 | cut -d] -f1 | grep -v 'compressed');
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else
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abort "No ramdisk found to unpack. Aborting...";
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fi;
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if [ "$comp" -a "$comp" != "raw" ]; then
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mv -f ramdisk.cpio ramdisk.cpio.$comp;
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$bin/magiskboot decompress ramdisk.cpio.$comp ramdisk.cpio;
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if [ $? != 0 ]; then
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echo "Attempting with busybox $comp..." >&2;
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$comp -dc ramdisk.cpio.$comp > ramdisk.cpio;
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fi;
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fi;
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test -d $ramdisk && mv -f $ramdisk $home/rdtmp;
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mkdir -p $ramdisk;
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chmod 755 $ramdisk;
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cd $ramdisk;
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EXTRACT_UNSAFE_SYMLINKS=1 cpio -d -F $split_img/ramdisk.cpio -i;
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if [ $? != 0 -o ! "$(ls)" ]; then
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abort "Unpacking ramdisk failed. Aborting...";
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fi;
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if [ -d "$home/rdtmp" ]; then
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cp -af $home/rdtmp/* .;
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fi;
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}
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### dump_boot (dump and split image, then extract ramdisk)
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dump_boot() {
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split_boot;
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unpack_ramdisk;
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}
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###
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### write_boot functions:
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# repack_ramdisk (repack ramdisk only)
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repack_ramdisk() {
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local comp packfail mtktype;
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cd $home;
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case $ramdisk_compression in
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auto|"") comp=$(ls $split_img/ramdisk.cpio.* 2>/dev/null | grep -v 'mtk' | rev | cut -d. -f1 | rev);;
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none|cpio) comp="";;
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gz) comp=gzip;;
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lzo) comp=lzop;;
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bz2) comp=bzip2;;
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lz4-l) comp=lz4_legacy;;
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*) comp=$ramdisk_compression;;
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esac;
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if [ -f "$bin/mkbootfs" ]; then
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$bin/mkbootfs $ramdisk > ramdisk-new.cpio;
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else
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cd $ramdisk;
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find . | cpio -H newc -o > $home/ramdisk-new.cpio;
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fi;
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test $? != 0 && packfail=1;
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cd $home;
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if [ "$comp" ]; then
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$bin/magiskboot compress=$comp ramdisk-new.cpio;
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if [ $? != 0 ]; then
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echo "Attempting with busybox $comp..." >&2;
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$comp -9c ramdisk-new.cpio > ramdisk-new.cpio.$comp;
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test $? != 0 && packfail=1;
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rm -f ramdisk-new.cpio;
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fi;
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fi;
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if [ "$packfail" ]; then
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abort "Repacking ramdisk failed. Aborting...";
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fi;
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if [ -f "$bin/mkmtkhdr" -a -f "$split_img/boot.img-base" ]; then
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mtktype=$(od -ta -An -N8 -j8 $split_img/ramdisk.cpio.gz-mtk | sed -e 's/ nul//g' -e 's/ //g' | tr '[:upper:]' '[:lower:]');
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case $mtktype in
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rootfs|recovery) $bin/mkmtkhdr --$mtktype ramdisk-new.cpio*;;
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esac;
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fi;
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}
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# flash_boot (build, sign and write image only)
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flash_boot() {
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local varlist kernel ramdisk cmdline part0 part1 pk8 cert avbtype;
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cd $split_img;
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if [ -f "$bin/mkimage" ]; then
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varlist="name arch os type comp addr ep";
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elif [ -f "$bin/mkbootimg" -a -f "$bin/unpackelf" -a -f boot.img-base ]; then
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mv -f cmdline.txt boot.img-cmdline;
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varlist="cmdline base pagesize kerneloff ramdiskoff tagsoff";
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fi;
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for i in $varlist; do
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if [ -f boot.img-$i ]; then
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eval local $i=\"$(cat boot.img-$i)\";
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fi;
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done;
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cd $home;
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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
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if [ -f $i ]; then
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kernel=$home/$i;
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break;
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fi;
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done;
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if [ "$kernel" ]; then
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if [ -f "$bin/mkmtkhdr" -a -f "$split_img/boot.img-base" ]; then
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$bin/mkmtkhdr --kernel $kernel;
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kernel=$kernel-mtk;
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fi;
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elif [ "$(ls $split_img/kernel* 2>/dev/null)" ]; then
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kernel=$(ls $split_img/kernel* | grep -v 'kernel_dtb' | tail -n1);
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fi;
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if [ "$(ls ramdisk-new.cpio* 2>/dev/null)" ]; then
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ramdisk=$home/$(ls ramdisk-new.cpio* | tail -n1);
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elif [ -f "$bin/mkmtkhdr" -a -f "$split_img/boot.img-base" ]; then
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ramdisk=$split_img/ramdisk.cpio.gz-mtk;
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else
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ramdisk=$(ls $split_img/ramdisk.cpio* 2>/dev/null | tail -n1);
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fi;
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for fdt in dt recovery_dtbo dtb; do
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for i in $home/$fdt $home/$fdt.img $split_img/$fdt; do
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if [ -f $i ]; then
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eval local $fdt=$i;
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break;
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fi;
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done;
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done;
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cd $split_img;
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if [ -f "$bin/mkimage" ]; then
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test "$comp" == "uncompressed" && comp=none;
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part0=$kernel;
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case $type in
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Multi) part1=":$ramdisk";;
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RAMDisk) part0=$ramdisk;;
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esac;
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$bin/mkimage -A $arch -O $os -T $type -C $comp -a $addr -e $ep -n "$name" -d $part0$part1 $home/boot-new.img;
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elif [ -f "$bin/elftool" ]; then
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test "$dt" && dt="$dt,rpm";
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test -f cmdline.txt && cmdline="cmdline.txt@cmdline";
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$bin/elftool pack -o $home/boot-new.img header=elftool_out/header $kernel $ramdisk,ramdisk $dt $cmdline;
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elif [ -f "$bin/mboot" ]; then
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cp -f $kernel kernel;
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cp -f $ramdisk ramdisk.cpio.gz;
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$bin/mboot -d $split_img -f $home/boot-new.img;
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elif [ -f "$bin/rkcrc" ]; then
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$bin/rkcrc -k $ramdisk $home/boot-new.img;
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elif [ -f "$bin/mkbootimg" -a -f "$bin/unpackelf" -a -f boot.img-base ]; then
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test "$dt" && dt="--dt $dt";
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$bin/mkbootimg --kernel $kernel --ramdisk $ramdisk --cmdline "$cmdline" --base $home --pagesize $pagesize --kernel_offset $kerneloff --ramdisk_offset $ramdiskoff --tags_offset "$tagsoff" $dt --output $home/boot-new.img;
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else
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test "$kernel" && cp -f $kernel kernel;
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test "$ramdisk" && cp -f $ramdisk ramdisk.cpio;
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case $kernel in
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*-dtb) rm -f kernel_dtb;;
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esac;
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test "$dt" -a -f extra && cp -f $dt extra;
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for i in dtb recovery_dtbo; do
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test "$(eval echo \$$i)" -a -f $i && cp -f $(eval echo \$$i) $i;
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done;
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$bin/magiskboot repack $bootimg $home/boot-new.img;
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fi;
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if [ $? != 0 ]; then
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abort "Repacking image failed. Aborting...";
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fi;
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cd $home;
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if [ -f "$bin/futility" -a -d "$bin/chromeos" ]; then
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$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;
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if [ $? != 0 ]; then
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abort "Signing image failed. Aborting...";
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fi;
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mv -f boot-new-signed.img boot-new.img;
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fi;
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if [ -f "$bin/BootSignature_Android.jar" -a -d "$bin/avb" ]; then
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pk8=$(ls $bin/avb/*.pk8);
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cert=$(ls $bin/avb/*.x509.*);
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case $block in
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*recovery*|*SOS*) avbtype=recovery;;
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*) avbtype=boot;;
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esac;
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if [ "$(/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
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/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;
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if [ $? != 0 ]; then
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abort "Signing image failed. Aborting...";
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fi;
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fi;
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mv -f boot-new-signed.img boot-new.img;
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fi;
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if [ ! -f boot-new.img ]; then
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abort "No repacked image found to flash. Aborting...";
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elif [ "$(wc -c < boot-new.img)" -gt "$(wc -c < boot.img)" ]; then
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abort "New image larger than boot partition. Aborting...";
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fi;
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if [ -f "$bin/flash_erase" -a -f "$bin/nandwrite" ]; then
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$bin/flash_erase $block 0 0;
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$bin/nandwrite -p $block boot-new.img;
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elif [ "$customdd" ]; then
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dd if=/dev/zero of=$block $customdd 2>/dev/null;
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dd if=boot-new.img of=$block $customdd;
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else
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cat boot-new.img /dev/zero > $block 2>/dev/null || true;
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fi;
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if [ $? != 0 ]; then
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abort "Flashing image failed. Aborting...";
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fi;
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}
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# flash_dtbo (flash dtbo only)
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flash_dtbo() {
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local i dtbo dtboblock;
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cd $home;
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for i in dtbo dtbo.img; do
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if [ -f $i ]; then
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dtbo=$i;
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break;
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fi;
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done;
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if [ "$dtbo" ]; then
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dtboblock=/dev/block/bootdevice/by-name/dtbo$slot;
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if [ ! -e "$dtboblock" ]; then
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abort "dtbo partition could not be found. Aborting...";
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fi;
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if [ -f "$bin/flash_erase" -a -f "$bin/nandwrite" ]; then
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$bin/flash_erase $dtboblock 0 0;
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$bin/nandwrite -p $dtboblock $dtbo;
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elif [ "$customdd" ]; then
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dd if=/dev/zero of=$dtboblock 2>/dev/null;
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dd if=$dtbo of=$dtboblock;
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else
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cat $dtbo /dev/zero > $dtboblock 2>/dev/null || true;
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fi;
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if [ $? != 0 ]; then
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abort "Flashing dtbo failed. Aborting...";
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fi;
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fi;
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}
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### write_boot (repack ramdisk then build, sign and write image and dtbo)
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write_boot() {
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repack_ramdisk;
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flash_boot;
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flash_dtbo;
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}
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###
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### file editing functions:
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# backup_file <file>
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backup_file() { test ! -f $1~ && cp -fp $1 $1~; }
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# restore_file <file>
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restore_file() { test -f $1~ && cp -fp $1~ $1; rm -f $1~; }
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# replace_string <file> <if search string> <original string> <replacement string> <scope>
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replace_string() {
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test "$5" == "global" && local scope=g;
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if ! grep -q "$2" $1; then
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sed -i "s;${3};${4};${scope}" $1;
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fi;
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}
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# replace_section <file> <begin search string> <end search string> <replacement string>
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replace_section() {
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local begin endstr last end;
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begin=$(grep -n "$2" $1 | head -n1 | cut -d: -f1);
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if [ "$begin" ]; then
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if [ "$3" == " " -o ! "$3" ]; then
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endstr='^[[:space:]]*$';
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last=$(wc -l $1 | cut -d\ -f1);
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else
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endstr="$3";
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fi;
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for end in $(grep -n "$endstr" $1 | cut -d: -f1) $last; do
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if [ "$end" ] && [ "$begin" -lt "$end" ]; then
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sed -i "${begin},${end}d" $1;
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test "$end" == "$last" && echo >> $1;
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sed -i "${begin}s;^;${4}\n;" $1;
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break;
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fi;
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done;
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fi;
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}
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# remove_section <file> <begin search string> <end search string>
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remove_section() {
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local begin endstr last end;
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begin=$(grep -n "$2" $1 | head -n1 | cut -d: -f1);
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if [ "$begin" ]; then
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if [ "$3" == " " -o ! "$3" ]; then
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endstr='^[[:space:]]*$';
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last=$(wc -l $1 | cut -d\ -f1);
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else
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endstr="$3";
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fi;
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for end in $(grep -n "$endstr" $1 | cut -d: -f1) $last; do
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if [ "$end" ] && [ "$begin" -lt "$end" ]; then
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sed -i "${begin},${end}d" $1;
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break;
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fi;
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done;
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fi;
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}
|
|
|
|
# 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" >> $file;
|
|
fi;
|
|
}
|
|
###
|
|
|
|
### configuration/setup functions:
|
|
# reset_ak [keep]
|
|
reset_ak() {
|
|
local current i;
|
|
|
|
current=$(dirname $home/*-files/current);
|
|
if [ -d "$current" ]; then
|
|
rm -rf $current/ramdisk;
|
|
for i in $bootimg boot-new.img; do
|
|
test -e $i && cp -af $i $current;
|
|
done;
|
|
fi;
|
|
rm -rf $bootimg $ramdisk $split_img $home/*-new* $home/*-files/current;
|
|
|
|
if [ "$1" == "keep" ]; then
|
|
test -d $home/rdtmp && mv -f $home/rdtmp $ramdisk;
|
|
else
|
|
rm -rf $patch $home/rdtmp;
|
|
fi;
|
|
setup_ak;
|
|
}
|
|
|
|
# setup_ak
|
|
setup_ak() {
|
|
local blockfiles parttype name part mtdmount mtdpart mtdname target;
|
|
|
|
# allow multi-partition ramdisk modifying configurations (using reset_ak)
|
|
if [ "$block" ] && [ ! -d "$ramdisk" -a ! -d "$patch" ]; then
|
|
blockfiles=$home/$(basename $block)-files;
|
|
if [ "$(ls $blockfiles 2>/dev/null)" ]; then
|
|
cp -af $blockfiles/* $home;
|
|
else
|
|
mkdir -p $blockfiles;
|
|
fi;
|
|
touch $blockfiles/current;
|
|
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" ]; 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 bootimg KERN-A kernel KERNEL";;
|
|
recovery) parttype="ramdisk_recovey recovery RECOVERY SOS android_recovery";;
|
|
esac;
|
|
for name in $parttype; do
|
|
for part in $name$slot $name; do
|
|
if [ "$(grep -w "$part" /proc/mtd 2> /dev/null)" ]; then
|
|
mtdmount=$(grep -w "$part" /proc/mtd);
|
|
mtdpart=$(echo $mtdmount | cut -d\" -f2);
|
|
if [ "$mtdpart" == "$part" ]; then
|
|
mtdname=$(echo $mtdmount | cut -d: -f1);
|
|
else
|
|
abort "Unable to determine mtd $block partition. Aborting...";
|
|
fi;
|
|
target=/dev/mtd/$mtdname;
|
|
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;
|
|
elif [ -e /dev/$part ]; then
|
|
target=/dev/$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;
|